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EKM3-63H MCB 10kA Miniature Circuit Breaker
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● Standard: IEC60898-1
● Type of trip: Thermo-magnetic
● Rated current: 1~63A
● Rated voltage: 230/400V~240/415V
● Number of poles: 1P,2P,3P,4P,1P+N,3P+N
● Rated short-circuit breaking capacity: 4.5kA
● Tripping curve: B, C, D
● Ambient air temperature: -25...+40 ºC
● Connection: From top and bottom
● Certificates: CE, CB
EKM3-63S is our latest S3 series 4.5kA miniature circuit breaker product. It is mainly used for AC 50Hz or 60Hz, rated voltage 400V or below and rated working current 63A or below. It is used for overload and short-circuit protection of lighting, distribution lines, equipment in office buildings, residential buildings and etc.
| Standard | IEC/EN60898-1 |
| Protection | Overcurrent and short circuit |
| Type of trip | Thermo-magnetic |
| Rated Current In | 1,2,3,4,5,6,10,16,20,25,32,40,50,63A |
| Poles | 1P, 1P+N, 2P, 3P,3P+N, 4P |
| Rated voltage Ue | 240/415V~ |
| Rated frequency | 50/60Hz |
| Rated breaking capacity | 4,500A |
| Rated impulse withstand voltage (1.2/50) Uimp | 4,000V |
| Dielectric test voltage at ind. Freq. for 1 min | 2kV |
| Thermal release characteristic | (1.13-1.45) x In |
| Magnetic release characteristic | B:(3-5) x In, C:(5-10) x In, D:(10-20) x In |
| Electrical life | 4,000 Cycles |
| Mechanical life | 10,000 Cycles |
| Contact position indicator | Yes |
| Protection degree | IP20 |
| Ambient temperature (with daily average≤35℃) | -5℃~+40℃, Max. 95%humidity |
| Terminal connection type | Cable/Pin-type busbar |
| Max. terminal size for cable | 25mm2 |
| Max. tightening torque | 2.5N.m |
| Installation | Mounting on 35mm Din rail |
| Connection | From top and bottom |
| EKM3-63S 4.5KA MCB Breaker （IEC60898-1） | ||||
| Poles | Current(A) | B Curve | C Curve | D Curve |
| 1P | 1 | EKM3-63S-1B01 | EKM3-63S-1C01 | EKM3-63S-1D01 |
| 2 | EKM3-63S-1B02 | EKM3-63S-1C02 | EKM3-63S-1D02 | |
| 3 | EKM3-63S-1B03 | EKM3-63S-1C03 | EKM3-63S-1D03 | |
| 4 | EKM3-63S-1B04 | EKM3-63S-1C04 | EKM3-63S-1D04 | |
| 5 | EKM3-63S-1B05 | EKM3-63S-1C05 | EKM3-63S-1D05 | |
| 6 | EKM3-63S-1B06 | EKM3-63S-1C06 | EKM3-63S-1D06 | |
| 10 | EKM3-63S-1B10 | EKM3-63S-1C10 | EKM3-63S-1D10 | |
| 16 | EKM3-63S-1B16 | EKM3-63S-1C16 | EKM3-63S-1D16 | |
| 20 | EKM3-63S-1B20 | EKM3-63S-1C20 | EKM3-63S-1D20 | |
| 25 | EKM3-63S-1B25 | EKM3-63S-1C25 | EKM3-63S-1D25 | |
| 32 | EKM3-63S-1B32 | EKM3-63S-1C32 | EKM3-63S-1D32 | |
| 40 | EKM3-63S-1B40 | EKM3-63S-1C40 | EKM3-63S-1D40 | |
| 50 | EKM3-63S-1B50 | EKM3-63S-1C50 | EKM3-63S-1D50 | |
| 63 | EKM3-63S-1B63 | EKM3-63S-1C63 | EKM3-63S-1D63 | |
| 2P | 1 | EKM3-63S-2B01 | EKM3-63S-2C01 | EKM3-63S-2D01 |
| 2 | EKM3-63S-2B02 | EKM3-63S-2C02 | EKM3-63S-2D02 | |
| 3 | EKM3-63S-2B03 | EKM3-63S-2C03 | EKM3-63S-2D03 | |
| 4 | EKM3-63S-2B04 | EKM3-63S-2C04 | EKM3-63S-2D04 | |
| 5 | EKM3-63S-2B05 | EKM3-63S-2C05 | EKM3-63S-2D05 | |
| 6 | EKM3-63S-2B06 | EKM3-63S-2C06 | EKM3-63S-2D06 | |
| 10 | EKM3-63S-2B10 | EKM3-63S-2C10 | EKM3-63S-2D10 | |
| 16 | EKM3-63S-2B16 | EKM3-63S-2C16 | EKM3-63S-2D16 | |
| 20 | EKM3-63S-2B20 | EKM3-63S-2C20 | EKM3-63S-2D20 | |
| 25 | EKM3-63S-2B25 | EKM3-63S-2C25 | EKM3-63S-2D25 | |
| 32 | EKM3-63S-2B32 | EKM3-63S-2C32 | EKM3-63S-2D32 | |
| 40 | EKM3-63S-2B40 | EKM3-63S-2C40 | EKM3-63S-2D40 | |
| 50 | EKM3-63S-2B50 | EKM3-63S-2C50 | EKM3-63S-2D50 | |
| 63 | EKM3-63S-2B63 | EKM3-63S-2C63 | EKM3-63S-2D63 | |
| 3P | 1 | EKM3-63S-3B01 | EKM3-63S-3C01 | EKM3-63S-3D01 |
| 2 | EKM3-63S-3B02 | EKM3-63S-3C02 | EKM3-63S-3D02 | |
| 3 | EKM3-63S-3B03 | EKM3-63S-3C03 | EKM3-63S-3D03 | |
| 4 | EKM3-63S-3B04 | EKM3-63S-3C04 | EKM3-63S-3D04 | |
| 5 | EKM3-63S-3B05 | EKM3-63S-3C05 | EKM3-63S-3D05 | |
| 6 | EKM3-63S-3B06 | EKM3-63S-3C06 | EKM3-63S-3D06 | |
| 10 | EKM3-63S-3B10 | EKM3-63S-3C10 | EKM3-63S-3D10 | |
| 16 | EKM3-63S-3B16 | EKM3-63S-3C16 | EKM3-63S-3D16 | |
| 20 | EKM3-63S-3B20 | EKM3-63S-3C20 | EKM3-63S-3D20 | |
| 25 | EKM3-63S-3B25 | EKM3-63S-3C25 | EKM3-63S-3D25 | |
| 32 | EKM3-63S-3B32 | EKM3-63S-3C32 | EKM3-63S-3D32 | |
| 40 | EKM3-63S-3B40 | EKM3-63S-3C40 | EKM3-63S-3D40 | |
| 50 | EKM3-63S-3B50 | EKM3-63S-3C50 | EKM3-63S-3D50 | |
| 63 | EKM3-63S-3B63 | EKM3-63S-3C63 | EKM3-63S-3D63 | |
| 4P | 1 | EKM3-63S-4B01 | EKM3-63S-4C01 | EKM3-63S-4D01 |
| 2 | EKM3-63S-4B02 | EKM3-63S-4C02 | EKM3-63S-4D02 | |
| 3 | EKM3-63S-4B03 | EKM3-63S-4C03 | EKM3-63S-4D03 | |
| 4 | EKM3-63S-4B04 | EKM3-63S-4C04 | EKM3-63S-4D04 | |
| 5 | EKM3-63S-4B05 | EKM3-63S-4C05 | EKM3-63S-4D05 | |
| 6 | EKM3-63S-4B06 | EKM3-63S-4C06 | EKM3-63S-4D06 | |
| 10 | EKM3-63S-4B10 | EKM3-63S-4C10 | EKM3-63S-4D10 | |
| 16 | EKM3-63S-4B16 | EKM3-63S-4C16 | EKM3-63S-4D16 | |
| 20 | EKM3-63S-4B20 | EKM3-63S-4C20 | EKM3-63S-4D20 | |
| 25 | EKM3-63S-4B25 | EKM3-63S-4C25 | EKM3-63S-4D25 | |
| 32 | EKM3-63S-4B32 | EKM3-63S-4C32 | EKM3-63S-4D32 | |
| 40 | EKM3-63S-4B40 | EKM3-63S-4C40 | EKM3-63S-4D40 | |
| 50 | EKM3-63S-4B50 | EKM3-63S-4C50 | EKM3-63S-4D50 | |
| 63 | EKM3-63S-4B63 | EKM3-63S-4C63 | EKM3-63S-4D63 | |
EKM3-63S is our latest S3 series 4.5kA miniature circuit breaker product. It is mainly used for AC 50Hz or 60Hz, rated voltage 400V or below and rated working current 63A or below. It is used for overload and short-circuit protection of lighting, distribution lines, equipment in office buildings, residential buildings and etc.
