Motor Efficiency Classes (IE Code) — KS / IEC 60034-30-1?

A Chinese motor bearing GB 18613-2020 IE3 certification and CCC mark does not automatically satisfy South Korea's KC Mark (ECPSA) or KEMCO high-efficiency certification requirements. Separate South Korea conformity assessment and KC Mark certification are mandatory for market access. This is informational only and does not constitute legal advice.

Frequency Compatibility — 60 Hz Grid (CRITICAL)?

Standard Chinese 50 Hz industrial motors are not directly compatible with South Korea's 60 Hz power grid. Exporters must supply motors specifically designed and rated for 60 Hz, re-tested and re-certified under South Korea's KC Mark process. Operating a 50 Hz motor on a 60 Hz supply without redesign creates safety and performance risks and may violate ECPSA requirements. This is informational only and does not constitute legal or engineering advice.

KEMCO High-Efficiency Equipment Certification — mandatory for government procurement?

Chinese motors certified under GB 18613-2020 and carrying CEL labelling do not automatically qualify for South Korea's KEMCO high-efficiency certification. Exporters targeting government procurement must obtain KEMCO certification based on 60 Hz testing. This is informational only and does not constitute legal advice.

Efficiency Test Method at 60 Hz — KS C IEC 60034-2-1?

Chinese GB/T 1032-2012 test reports at 50 Hz are not directly acceptable for South Korea's KC Mark or KEMCO certification. Re-testing at 60 Hz to KS C IEC 60034-2-1 is required. This is informational only and does not constitute legal advice.

IE Efficiency Class Minimum for South Korea Market — KEMCO / ECPSA scope?

Chinese motors with GB 18613-2020 IE3 certification at 50 Hz cannot use that certification to satisfy South Korea's KEMCO or KC Mark requirements. Motors must be re-rated, re-tested at 60 Hz, and separately certified in South Korea. This is informational only and does not constitute legal advice.

EMC — KC Radio Certification (MSIT / KCC)?

Chinese CCC EMC certification and SRRC type approval do not substitute for South Korea's KC Radio certification under MSIT/KCC. Motors must be separately tested and certified for EMC compliance in South Korea. This is informational only and does not constitute legal advice.

EMC Immunity — KS C IEC 61000 Series?

Chinese 50 Hz immunity test data cannot be directly applied to South Korea's 60 Hz KC Radio immunity assessment. Re-testing at 60 Hz grid simulation conditions at a South Korea-accredited laboratory is required. This is informational only and does not constitute legal advice.

KC Mark — mandatory under ECPSA (Electrical Appliances and Consumer Products Safety Act)?

Chinese motors with CCC certification cannot enter the South Korea market without separately obtaining the KC Mark under ECPSA. KC Mark assessment must be conducted at 60 Hz rated conditions. Importing or selling uncertified motors in South Korea may result in market surveillance action, product recall, or customs seizure. This is informational only and does not constitute legal advice.

CROSS-STANDARD public interest · Industrial electric motor

China-to-South Korea Industrial Motor Compliance Gap Matrix

Name: China-to-South Korea Industrial Motor Compliance Gap Matrix
Creator: Cross-Standard
License: https://creativecommons.org/licenses/by/4.0/

AI-compiled from official public sources — cross-checked by multiple AI models, not human-verified. Informational only; see disclaimer. Public-interest, source-linked comparison of common China industrial electric motor documentation against South Korea KC Mark (ECPSA), KEMCO high-efficiency certification, KS standards (IEC 60034 adopted), and 60 Hz grid compatibility requirements. CRITICAL: Chinese 50 Hz motors are not directly compatible with South Korea's 60 Hz grid.

Dataset 2026-06-11 Last verified 2026-06-17 12 rows

GAP MATRIX

Compliance Gap Matrix

Gap matrix
Compliance item	Common China baseline	South Korea (KC / KEMCO)	Gap / action	Source + verification date
Motor Efficiency Classes (IE Code) — KS / IEC 60034-30-1	China uses GB 18613-2020 (Energy Efficiency Limits and Energy Efficiency Grades of Motors) defining IE1–IE4 grades (aligned in naming with IEC 60034-30-1:2014 Ed.1 but with distinct limit values). GB 18613-2020 mandates IE3 as minimum for most three-phase induction motors since 2021-06-01. Motors must display efficiency grade on nameplate. CCC certification applies to motors within the CCC mandatory catalogue scope (generally <1 kV motors covered under GB 4706 or related compulsory standards).GB 18613-2020 GB 12665 (cooling of rotating electrical machines) CCC (China Compulsory Certification, for motors in mandatory catalogue)	South Korea adopts KS (Korean Standards) which incorporate IEC 60034-30-1 efficiency classes (IE1–IE4). KEMCO (Korea Energy Management Corporation) administers the High-Efficiency Equipment certification programme under the Energy Use Rationalization Act; high-efficiency motor certification is mandatory for government procurement and certain industrial uses. The KC Mark under ECPSA is required for motors in scope; KS C IEC 60034 series standards are the adopted harmonised basis. Motors must display efficiency class on the nameplate. IE class benchmarks follow IEC 60034-30-1:2014.KS C IEC 60034-30-1 (adopted IEC 60034-30-1:2014) Energy Use Rationalization Act (에너지이용합리화법) Electrical Appliances and Consumer Products Safety Act (ECPSA, 전기용품및생활용품안전관리법)	Both South Korea (KS C IEC 60034-30-1) and China (GB 18613-2020) reference IE class naming, but limit values differ at some power/pole combinations. CCC certification held by a Chinese motor does not substitute for KC Mark under South Korea's ECPSA. KEMCO high-efficiency certification is an additional requirement for government procurement channels. Separate South Korea conformity assessment is required.[INFORMATIONAL] A Chinese motor bearing GB 18613-2020 IE3 certification and CCC mark does not automatically satisfy South Korea's KC Mark (ECPSA) or KEMCO high-efficiency certification requirements. Separate South Korea conformity assessment and KC Mark certification are mandatory for market access. This is informational only and does not constitute legal advice.	KEMCO (Korea Energy Management Corporation)2026-06-17 · reference
Frequency Compatibility — 60 Hz Grid (CRITICAL)	China's national grid operates at 380/220 V (3-phase / 1-phase), 50 Hz. Standard Chinese industrial motors are designed, rated, and tested at 50 Hz. GB 18613-2020 efficiency grades and GB/T 1032 test methods are based on 50 Hz operation. A standard Chinese 50 Hz motor is NOT directly compatible with South Korea's 60 Hz grid without redesign.GB 18613-2020 (efficiency grades at 50 Hz) GB/T 1032-2012 (test method at rated 50 Hz) GB 12665 (cooling performance at 50 Hz rated conditions)	South Korea's national grid operates at 380/220 V (3-phase / 1-phase), 60 Hz. Motors sold for use in South Korea must be rated for 60 Hz operation. IE efficiency class values defined in KS C IEC 60034-30-1 are benchmarked at the motor's rated frequency; a 50 Hz motor re-operated at 60 Hz will have different (generally higher) speed, altered torque characteristics, increased iron losses, and potentially overheating. Motors must be specifically designed, rated, tested, and certified for 60 Hz to be placed on the South Korea market.KS C IEC 60034-1 (rating and performance, adopted IEC 60034-1) KEPCO grid supply standard (380/220 V, 60 Hz) ECPSA safety requirements for rated operating conditions	This is a fundamental hardware incompatibility. Chinese 50 Hz motors cannot be directly sold or operated in South Korea's 60 Hz grid. Motor speed, torque, efficiency, thermal performance, and nameplate ratings all differ between 50 Hz and 60 Hz designs. Exporters must supply motors specifically designed and rated for 60 Hz, re-tested at 60 Hz, and certified under South Korea's KC Mark process at 60 Hz rated conditions. This is not a documentation gap — it is a physical product design gap.[INFORMATIONAL] Standard Chinese 50 Hz industrial motors are not directly compatible with South Korea's 60 Hz power grid. Exporters must supply motors specifically designed and rated for 60 Hz, re-tested and re-certified under South Korea's KC Mark process. Operating a 50 Hz motor on a 60 Hz supply without redesign creates safety and performance risks and may violate ECPSA requirements. This is informational only and does not constitute legal or engineering advice.	KEPCO (Korea Electric Power Corporation)2026-06-17 · reference
KEMCO High-Efficiency Equipment Certification — mandatory for government procurement	China operates the China Energy Label (能效标识, CEL) system under the Regulation on Energy Efficiency Labelling (能效标识管理办法). For motors, GB 18613-2020 Grade 2 (IE4) is the voluntary energy-saving evaluation level that qualifies for energy-saving procurement preference. Grade 3 (IE3) is the mandatory minimum. The CEL scheme is administered by SAMR/CNCA and differs from KEMCO both in scope and in technical criteria (50 Hz basis). CEL certification does not substitute for KEMCO certification.GB 18613-2020 (Grade 2 = IE4 energy-saving evaluation level; Grade 3 = IE3 mandatory minimum) Regulation on Energy Efficiency Labelling (能效标识管理办法)	KEMCO (Korea Energy Management Corporation) administers the High-Efficiency Equipment (고효율에너지기자재) certification programme under the Energy Use Rationalization Act. Motors certified under this programme must meet KEMCO-specified efficiency thresholds (which reference IEC 60034-30-1 IE class levels, typically IE3 or above at 60 Hz) and must be rated and tested at 60 Hz South Korean grid conditions. KEMCO high-efficiency certification is mandatory for motors purchased by government bodies and recommended/required in certain industrial sectors. Motors must be re-tested and certified specifically at 60 Hz.Energy Use Rationalization Act (에너지이용합리화법) KEMCO High-Efficiency Equipment Certification criteria KS C IEC 60034-30-1 (IE efficiency class reference at 60 Hz)	Chinese CEL (China Energy Label) certification or GB 18613-2020 efficiency grades do not substitute for South Korea KEMCO certification. KEMCO certification requires 60 Hz testing; Chinese motors are rated and labelled at 50 Hz. For government procurement in South Korea, KEMCO certification is a gate requirement that Chinese motors without a specific 60 Hz variant cannot meet using existing Chinese test data.[INFORMATIONAL] Chinese motors certified under GB 18613-2020 and carrying CEL labelling do not automatically qualify for South Korea's KEMCO high-efficiency certification. Exporters targeting government procurement must obtain KEMCO certification based on 60 Hz testing. This is informational only and does not constitute legal advice.	KEMCO (Korea Energy Management Corporation)2026-06-17 · reference
Efficiency Test Method at 60 Hz — KS C IEC 60034-2-1	China uses GB/T 1032-2012 (Test Methods for Three-Phase Induction Motors) at 50 Hz as the primary test standard. GB/T 1032 permits assumed stray-load loss factors in some methods, which may yield higher calculated efficiency than IEC 60034-2-1 measured-loss methods. Chinese test reports are issued at 50 Hz rated conditions; these cannot be directly used for South Korea's 60 Hz KC or KEMCO certification without re-testing at 60 Hz.GB/T 1032-2012 (三相异步电动机试验方法, at 50 Hz) GB 18613-2020 (references GB/T 1032 for efficiency determination at 50 Hz)	South Korea adopts KS C IEC 60034-2-1 (equivalent to IEC 60034-2-1) as the test method standard for motor efficiency determination. Efficiency must be measured and declared at rated 60 Hz conditions for South Korea market placement. KEMCO and KC certification bodies require test reports based on 60 Hz conditions reflecting actual South Korean grid operation. Loss-segregation methods in KS C IEC 60034-2-1 require measured stray-load losses, not assumed values.KS C IEC 60034-2-1 (adopted IEC 60034-2-1, efficiency test method at rated 60 Hz) KEMCO certification technical criteria (60 Hz test basis) ECPSA technical documentation requirements	Chinese test reports issued under GB/T 1032-2012 at 50 Hz cannot be used directly for South Korea KC or KEMCO certification. A 60 Hz-specific test using KS C IEC 60034-2-1 (or equivalent IEC 60034-2-1) is required. The frequency difference alone invalidates 50 Hz efficiency data for 60 Hz market certification purposes. Additionally, GB/T 1032 assumed stray-load-loss treatment may inflate efficiency figures compared to KS C IEC 60034-2-1 measured-loss methods.[INFORMATIONAL] Chinese GB/T 1032-2012 test reports at 50 Hz are not directly acceptable for South Korea's KC Mark or KEMCO certification. Re-testing at 60 Hz to KS C IEC 60034-2-1 is required. This is informational only and does not constitute legal advice.	KATS (Korean Agency for Technology and Standards)2026-06-17 · reference
IE Efficiency Class Minimum for South Korea Market — KEMCO / ECPSA scope	GB 18613-2020 mandates IE3 (Grade 3) as the minimum for most three-phase induction motors in China at 50 Hz. Grade 2 (IE4) is the voluntary energy-saving evaluation level. These grades are determined at 50 Hz and are not directly transferable to 60 Hz South Korea market certification. A Chinese IE3 motor at 50 Hz will exhibit different efficiency characteristics when operated at 60 Hz due to altered iron loss, slip, and cooling conditions.GB 18613-2020 (Grade 3 = IE3 mandatory minimum at 50 Hz; Grade 2 = IE4 voluntary energy-saving level)	Under South Korea's energy efficiency policy and KEMCO certification criteria, motors subject to the High-Efficiency Equipment programme are generally required to meet IE3 or higher efficiency class at 60 Hz (benchmarked per KS C IEC 60034-30-1). Motors for government procurement must satisfy KEMCO thresholds. The ECPSA mandates KC Mark for motors in its product scope regardless of efficiency class; efficiency class certification under KEMCO is an additional layer for procurement preference and mandated sectors. IE class assessment must be based on 60 Hz rated conditions, not 50 Hz Chinese test data.KS C IEC 60034-30-1 (IE class at 60 Hz) KEMCO High-Efficiency Equipment certification criteria Energy Use Rationalization Act ECPSA (KC Mark — separate from efficiency class, but both required)	Chinese motors meeting GB 18613-2020 IE3 at 50 Hz do not automatically satisfy South Korea's IE3 threshold at 60 Hz. IE efficiency class values at 60 Hz must be separately measured and verified. Additionally, KEMCO certification requires 60 Hz test data, and KC Mark (ECPSA) is a separate mandatory gate. Chinese motors cannot use 50 Hz efficiency data for South Korea market access.[INFORMATIONAL] Chinese motors with GB 18613-2020 IE3 certification at 50 Hz cannot use that certification to satisfy South Korea's KEMCO or KC Mark requirements. Motors must be re-rated, re-tested at 60 Hz, and separately certified in South Korea. This is informational only and does not constitute legal advice.	KEMCO (Korea Energy Management Corporation)2026-06-17 · reference
EMC — KC Radio Certification (MSIT / KCC)	China's EMC requirements for industrial equipment are governed by GB/T 4343 (CISPR 14 equivalent for household and similar equipment) and GB/T 17799 series (IEC 61000 equivalent, immunity). For industrial motors, GB 10069 covers noise and vibration; EMC is addressed under CCC mandatory certification for products in the CCC catalogue. SRRC (State Radio Regulation Committee) type approval applies to radio-emitting devices. Chinese EMC certifications (CCC, SRRC) do not substitute for South Korea's KC Radio certification.GB/T 4343 (CISPR 14 equivalent, emission) GB/T 17799 series (IEC 61000 equivalent, immunity) CCC (mandatory catalogue scope covers EMC for listed products) SRRC type approval (for radio-emitting devices)	In South Korea, electromagnetic compatibility (EMC) for electrical equipment including industrial motors is regulated by MSIT (Ministry of Science and ICT) through the KCC (Korea Communications Commission) via the Radio Waves Act and related notices. KC Radio certification covers EMC emission and immunity. Industrial motors that generate electromagnetic interference must comply with applicable KC EMC limits; the KC Mark under ECPSA covers electrical safety, while KC Radio covers EMC. KS C standards adopted from CISPR and IEC 61000 series apply. Products must display KC Mark; conformity is assessed by accredited testing bodies (Korea Testing Laboratory, KTL, or equivalent).Radio Waves Act (전파법) and MSIT/KCC EMC notices KS C CISPR 11 / KS C CISPR 14 (adopted CISPR emission standards) KS C IEC 61000 series (immunity standards) Electrical Appliances and Consumer Products Safety Act (ECPSA) — KC Mark for safety	Chinese CCC or SRRC EMC certifications do not satisfy South Korea's KC Radio (MSIT/KCC) requirements. Separate KC Radio conformity assessment at a South Korea-accredited laboratory is required. The underlying EMC test standards (KS C CISPR vs GB/T CISPR adoptions) may differ in amendment levels or local deviations. Motors must be tested and certified to KC Radio limits in South Korea.[INFORMATIONAL] Chinese CCC EMC certification and SRRC type approval do not substitute for South Korea's KC Radio certification under MSIT/KCC. Motors must be separately tested and certified for EMC compliance in South Korea. This is informational only and does not constitute legal advice.	KCC (Korea Communications Commission)2026-06-17 · reference
EMC Immunity — KS C IEC 61000 Series	China uses GB/T 17799 series (equivalent to IEC 61000 series) for electromagnetic immunity of industrial equipment. Immunity testing in China is performed at 50 Hz grid simulation. For products in the CCC mandatory catalogue, immunity is assessed as part of CCC certification. Chinese immunity test reports at 50 Hz cannot be directly used for South Korea's 60 Hz KC Radio immunity certification without re-testing.GB/T 17799 series (IEC 61000 equivalent, immunity at 50 Hz) CCC certification (immunity component for listed products)	South Korea adopts KS C IEC 61000 series standards for electromagnetic immunity, covering voltage dips, short interruptions, surges, fast transients, and conducted/radiated immunity. Industrial motors must demonstrate adequate immunity to electromagnetic disturbances present on South Korea's 60 Hz grid. KC Radio certification assessment encompasses both emission and immunity testing. Immunity testing must be performed at 60 Hz grid simulation conditions to reflect actual South Korean operating environment.KS C IEC 61000-4 series (immunity test methods, adopted IEC 61000-4) KS C IEC 61000-6 series (generic immunity standards) Radio Waves Act and KCC EMC notices (immunity scope)	Chinese immunity test reports at 50 Hz cannot be directly accepted for South Korea's KC Radio certification. Testing must be performed at 60 Hz simulation to reflect South Korean grid conditions. Additionally, any local KS C deviations from IEC 61000 base standards must be observed. A new round of immunity testing is required even if the motor's basic design is otherwise compliant.[INFORMATIONAL] Chinese 50 Hz immunity test data cannot be directly applied to South Korea's 60 Hz KC Radio immunity assessment. Re-testing at 60 Hz grid simulation conditions at a South Korea-accredited laboratory is required. This is informational only and does not constitute legal advice.	KATS (Korean Agency for Technology and Standards)2026-06-17 · reference
KC Mark — mandatory under ECPSA (Electrical Appliances and Consumer Products Safety Act)	China requires CCC (China Compulsory Certification) for electrical products listed in the CCC mandatory catalogue. For industrial motors, CCC applies to motors within the scope of the compulsory certification catalogue (generally low-voltage motors covered by applicable GB standards). CCC is administered by CNCA (Certification and Accreditation Administration) and testing is performed by CNAS-accredited laboratories. CCC does not substitute for South Korea's KC Mark.CCC (China Compulsory Certification) — mandatory for listed products GB 4706 / applicable GB safety standards for motors in CCC scope CNCA certification procedures	The KC (Korea Certification) Mark is mandatory under the Electrical Appliances and Consumer Products Safety Act (ECPSA, 전기용품및생활용품안전관리법) for electrical appliances and products listed in the mandatory product scope, which includes industrial AC motors within ECPSA's coverage categories. The KC Mark is administered by KATS (Korean Agency for Technology and Standards) under MOTIE (Ministry of Trade, Industry and Energy). Products must pass safety testing to applicable KS C standards, undergo conformity assessment by a designated certification body, and display the KC Mark before being imported or placed on the market in South Korea. The mark covers electrical safety; EMC is covered separately by KC Radio under MSIT.Electrical Appliances and Consumer Products Safety Act (ECPSA, 전기용품및생활용품안전관리법) KS C IEC 60034-1 (rating and performance, adopted) KS C IEC 60034 series (safety and performance standards) KATS / MOTIE KC Mark certification procedures	CCC certification held by a Chinese motor does not grant KC Mark recognition or exemption in South Korea. The two certification systems are independent. Motors exported from China to South Korea must undergo separate KC Mark conformity assessment to KS C standards, including 60 Hz rated condition testing. Market surveillance by KATS and Customs enforcement apply to uncertified imports.[INFORMATIONAL] Chinese motors with CCC certification cannot enter the South Korea market without separately obtaining the KC Mark under ECPSA. KC Mark assessment must be conducted at 60 Hz rated conditions. Importing or selling uncertified motors in South Korea may result in market surveillance action, product recall, or customs seizure. This is informational only and does not constitute legal advice.	KATS (Korean Agency for Technology and Standards)2026-06-17 · reference
Labelling and Nameplate Requirements — KS C / ECPSA	Under GB 18613-2020 and GB/T 755-2019 (equivalent to IEC 60034-1), Chinese motors must display: CCC mark (if in scope), rated voltage, rated frequency (50 Hz), rated power, rated speed at 50 Hz, efficiency grade (IE class per GB 18613-2020), manufacturer name, and product model. All Chinese nameplate data reflects 50 Hz operation.GB/T 755-2019 (equivalent IEC 60034-1, nameplate requirements at 50 Hz) GB 18613-2020 (efficiency grade marking)	Under ECPSA and KS C IEC 60034-1, motors placed on the South Korea market must display: KC Mark, rated voltage (380 V / 220 V as applicable), rated frequency (60 Hz), rated power (kW), rated speed (rpm at 60 Hz), efficiency class (IE grade per KS C IEC 60034-30-1), manufacturer identification, and model number. Korean-language labelling may be required for consumer-facing documentation. Nameplate data must reflect 60 Hz rated conditions, not 50 Hz Chinese factory nameplates.KS C IEC 60034-1 (nameplate data requirements) ECPSA labelling requirements KS C IEC 60034-30-1 (IE efficiency class on nameplate)	Chinese factory nameplates show 50 Hz rated data (speed, efficiency, power factor) which cannot be used unchanged for South Korea market labelling. South Korea-specific nameplates must show 60 Hz rated values. KC Mark display is mandatory. Efficiency class must be verified and stated at 60 Hz. Replacing or relabelling motors with South Korea-compliant nameplates requires re-testing at 60 Hz.[INFORMATIONAL] Chinese motor nameplates rated at 50 Hz do not comply with South Korea's ECPSA labelling requirements for a 60 Hz market. Motors must be re-tested at 60 Hz, KC Mark obtained, and South Korea-specific nameplates applied before import or market placement. This is informational only and does not constitute legal advice.	KATS (Korean Agency for Technology and Standards)2026-06-17 · reference
Market Surveillance and Import Enforcement — KATS / Customs	In China, SAMR (State Administration for Market Regulation) and CIQ (China Inspection and Quarantine) enforce CCC certification requirements at import and in market surveillance. CCC-listed products without a valid CCC certificate may be seized at customs. SAMR conducts periodic spot-check campaigns. The enforcement structure differs from South Korea's KATS/Customs system; Chinese CCC enforcement experience does not transfer to South Korea.CCC enforcement by SAMR and CIQ Chinese Customs Law (CCC enforcement at import)	KATS (Korean Agency for Technology and Standards) under MOTIE conducts market surveillance for ECPSA-covered products. Korean Customs enforces KC Mark requirements at import. Motors without KC Mark may be seized at customs or ordered recalled from the market. KATS may conduct post-market sampling tests; non-compliant motors face sales prohibition, mandatory recall, and possible penalties. Importers bear the conformity obligation for motors they bring into South Korea.ECPSA (enforcement provisions) Korean Customs Law (import KC Mark enforcement) KATS market surveillance procedures under MOTIE	South Korea's KC Mark enforcement is independent of China's CCC system. Exporters must ensure KC Mark is obtained before shipment. Korean Customs may reject uncertified shipments. KATS post-market surveillance may trigger recalls. Importers (not just exporters) bear legal responsibility in South Korea. CCC compliance history in China provides no exemption or mitigation under South Korean law.[INFORMATIONAL] Exporting motors from China to South Korea without a valid KC Mark creates import seizure risk, sales prohibition, and mandatory recall exposure. CCC certification provides no exemption in South Korea. Importers in South Korea bear independent legal liability. This is informational only and does not constitute legal advice.	KATS (Korean Agency for Technology and Standards)2026-06-17 · reference
Electrical Safety — KC Mark under ECPSA / KS C IEC 60034-1	China's electrical safety requirements for motors use GB/T 755-2019 (equivalent to IEC 60034-1) and related GB/T 60034 series. CCC (China Compulsory Certification) is required for motors in the CCC mandatory catalogue. Safety testing is performed to applicable GB standards at 50 Hz rated conditions by CNAS-accredited laboratories. CCC certificates are issued by CNCA-approved certification bodies. CCC does not provide equivalence recognition for South Korea KC Mark.GB/T 755-2019 (equivalent IEC 60034-1, at 50 Hz) GB/T 12665-2008 (cooling of rotating electrical machines) CCC mandatory certification for motors in scope	Under South Korea's ECPSA, industrial AC motors within the covered product scope must obtain KC Mark certification for electrical safety before being placed on the South Korea market. The applicable KS standard is KS C IEC 60034-1 (adopted from IEC 60034-1, Rotating electrical machines — Part 1: Rating and performance) and related KS C IEC 60034 series. Safety testing must be performed at 60 Hz rated conditions. Testing is conducted by designated conformity assessment bodies (e.g., KTL — Korea Testing Laboratory, KETI, or other accredited bodies). A certificate of conformity and test report at 60 Hz are required for KC Mark issuance.ECPSA (전기용품및생활용품안전관리법) KS C IEC 60034-1 (adopted IEC 60034-1, rating and performance at 60 Hz) KS C IEC 60034-5 (degrees of protection) KS C IEC 60034-6 (cooling methods) KATS/MOTIE KC Mark certification procedures	CCC certification for electrical safety at 50 Hz does not substitute for KC Mark under ECPSA at 60 Hz. The underlying test standard (KS C IEC 60034-1 at 60 Hz vs GB/T 755 at 50 Hz) requires separate test execution. A 50 Hz Chinese safety test report cannot be directly used for KC Mark issuance. Motors must be re-tested at 60 Hz by a South Korea-designated conformity assessment body to obtain KC Mark.[INFORMATIONAL] CCC certification obtained in China for electrical safety at 50 Hz does not satisfy South Korea's KC Mark requirement under ECPSA. Motors must be re-tested at 60 Hz rated conditions by a designated South Korea conformity assessment body. This is informational only and does not constitute legal advice.	KATS (Korean Agency for Technology and Standards)2026-06-17 · reference
Insulation, Thermal Class, and Degree of Protection — KS C IEC 60034 series	China uses GB/T 4942 (equivalent to IEC 60034-5, IP code), GB/T 1993 (equivalent to IEC 60034-6, cooling methods), and GB/T 755-2019 (IEC 60034-1 equivalent, insulation class) for Chinese motors at 50 Hz. Chinese test reports on IP, cooling, and insulation class are issued at 50 Hz operating conditions. A motor's thermal performance at 60 Hz will differ from 50 Hz due to higher iron losses at higher frequency (depending on design) and increased fan speed. Chinese test data at 50 Hz is not directly transferable for South Korea 60 Hz safety assessment.GB/T 4942-2021 (equivalent IEC 60034-5, IP code) GB/T 1993-1993 (equivalent IEC 60034-6, cooling methods) GB/T 755-2019 (equivalent IEC 60034-1, insulation class at 50 Hz)	South Korea's KC Mark certification under ECPSA requires motors to comply with KS C IEC 60034-5 (degree of protection, IP rating), KS C IEC 60034-6 (cooling methods, IC designation), and insulation class requirements per KS C IEC 60034-1. These standards are adopted from the IEC 60034 series. Motors operating at 60 Hz may generate different thermal profiles than 50 Hz operation due to altered iron losses and cooling air volume (fan speed scales with frequency). Insulation class and thermal withstand must be verified under 60 Hz operating conditions. KC Mark certification assessment covers these safety aspects.KS C IEC 60034-5 (adopted IEC 60034-5, degrees of protection IP code) KS C IEC 60034-6 (adopted IEC 60034-6, cooling methods IC code) KS C IEC 60034-1 (insulation class and thermal requirements at 60 Hz) ECPSA safety requirements	Chinese insulation class and thermal test data obtained at 50 Hz cannot be directly applied to South Korea's 60 Hz KC Mark assessment. Thermal performance at 60 Hz must be specifically verified because iron losses and cooling air volume (fan-driven) change with frequency. A motor meeting insulation class F or H at 50 Hz may exhibit different temperature rise margins at 60 Hz depending on its electromagnetic design. Re-testing at 60 Hz at a South Korea-designated body is required.[INFORMATIONAL] Chinese insulation class, IP, and cooling method test data at 50 Hz are not directly applicable for South Korea KC Mark assessment at 60 Hz. Thermal performance differences between 50 Hz and 60 Hz operation must be assessed and documented. Re-testing at 60 Hz by a South Korea-designated conformity assessment body is required. This is informational only and does not constitute legal or engineering advice.	KATS (Korean Agency for Technology and Standards)2026-06-17 · reference

INFORMATIONAL ONLY

Informational only / not a certification conclusion

AI-compiled, not human-verified. This comparison is generated and cross-checked by multiple AI models from public official sources; it has not been reviewed by a named human expert and may contain errors or out-of-date items. Confirm every requirement directly with the official regulator or standards body and a qualified professional before relying on it. Nothing here is legal, certification, customs, or market-access advice.

This page is an informational comparison aid, not a certification decision, legal opinion, KC conformity assessment, customs determination, energy-efficiency approval, or market-access approval. Exporters and importers should verify current South Korea ECPSA, KC Mark, KEMCO, KS standards, EMC, customs, and national market-surveillance requirements with qualified professionals before shipment or placing on the market. Frequency compatibility (50 Hz vs 60 Hz) must be assessed by qualified engineers.

E-E-A-T

Named editorial review

Pending named reviewer

Official regulator, standards body, notified body, customs, or primary legal source preferred. Local PDFs are not accepted.

Editorial controls

Rows must include publisher, official URL, access date, verification flag, and last_verified before human_reviewed can be true.

SOURCES

Official-source register.

KEMCO (Korea Energy Management Corporation) · accessed 2026-06-17 · reference · used in 3 rows
KEPCO (Korea Electric Power Corporation) · accessed 2026-06-17 · reference · used in 1 rows
KATS (Korean Agency for Technology and Standards) · accessed 2026-06-17 · reference · used in 7 rows
KCC (Korea Communications Commission) · accessed 2026-06-17 · reference · used in 1 rows