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500V/1000V Single String DC Combiner | Pre-wired Solar Protection Box
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● Standard: IEC60947-2
● Type of trip: Thermo-magnetic
● Rated current: 6~63A
● Rated voltage: 1P(250VDC), 2P(500VDC), 4P(1000VDC)
● Number of poles: 1P,2P,4P
● Rated short-circuit breaking capacity: 6kA
●Magnetic release characteristic: (8-12) x In
● Ambient air temperature: -5...+40 ºC
● Connection: According to the wiring diagram
● Certificates: CE, CB
The EKM1-63DC DC miniature circuit breaker developed by ETEK is a polarized DC circuit breaker with a maximum current rating of 63A and a maximum voltage rating of 1000VDC. Its breaking capacity is 6kA/10kA, and it complies with the IEC 60947-2 standard. This product is suitable for photovoltaic power distribution protection systems and energy storage power distribution protection systems.
The EKM1-63DC features an L7 structural design, which is currently the mainstream design for DC MCBs in the market. A key characteristic of this product is the inclusion of magnets inside, along with a large gap between the moving and fixed contacts, enabling effective arc extinguishing for DC applications. ETEK is one of the leading suppliers of IEC-standard DC miniature circuit breakers in the Chinese market.
EK: means ETEK Company
M1:MCB design number SN.1
63:Frame Current
DC: For DC PV system
263: first 2 is poles,63A is rating current 63A
EKM1-63DC DC MCB Breaker Electrical Features |
|
|
Rated current In |
1,2,3,4,5,6,8,10,13,16,20,25,32,40,50,63A |
|
Poles |
1P, 2P, 4P |
|
Rated voltage Ue |
1P(250V), 2P(500V), 4P(1000V) |
|
Rated breaking capacity |
6,000/10,000A |
|
Rated impulse withstands voltage (1.5/50) Uimp |
4,000V |
|
Dielectric test voltage at ind. Freq. for 1 min |
2KV |
|
Pollution degree |
2 |
|
Thermo-magnetic release characteristic |
8~12In |
Mechanical Features |
|
| Electrical life | 4,000 Cycles |
| Mechanical life | 10,000 Cycles |
| Contact position indicator | Yes |
| Protection degree | lP20 |
| Reference temperature for setting of thermal elements | 30℃ |
| Ambient temperature (with daily average≤35℃) | -5℃~+40℃ |
| Storage temperature | -25℃~+70°C |
Installation |
|
| Terminal connection type | Cable/Pin-type busbar/U-type busbar |
| Terminal size top/bottom for cable | 25mm2 18-3AWG |
| Terminal size top/bottom for busbar | 25mm2 18-3AWG |
| Tightening torque | 2.5Nm 22In-lbs |
| Mounting | On DIN rail EN60715(35mm) by means of a fast clip device |
| Connection | According to the wiring diagram |
Combination with accessories |
|
| Auxiliary contact | EKM1-OF |
| Alarm contact | EKM1-FB |
| Shunt release | EKM1-MX |
| Over/Under voltage release |
EKM1-MV+MN
|
| Poles | Rated Current(A) | B Curve | C Curve | IEC60947-2 |
| Breaking capacity 6KA | ||||
| 1P(250VDC) | 1A | EKM1-63DC-1B01 | EKM1-63DC-1C01 | EKM1-63DC-101 |
| 2A | EKM1-63DC-1B02 | EKM1-63DC-1C02 | EKM1-63DC-102 | |
| 3A | EKM1-63DC-1B03 | EKM1-63DC-1C03 | EKM1-63DC-103 | |
| 4A | EKM1-63DC-1B04 | EKM1-63DC-1C04 | EKM1-63DC-104 | |
| 5A | EKM1-63DC-1B05 | EKM1-63DC-1C05 | EKM1-63DC-105 | |
| 6A | EKM1-63DC-1B06 | EKM1-63DC-1C06 | EKM1-63DC-106 | |
| 8A | EKM1-63DC-1B08 | EKM1-63DC-1C08 | EKM1-63DC-108 | |
| 10A | EKM1-63DC-1B10 | EKM1-63DC-1C10 | EKM1-63DC-110 | |
| 13A | EKM1-63DC-1B13 | EKM1-63DC-1C13 | EKM1-63DC-113 | |
| 16A | EKM1-63DC-1B16 | EKM1-63DC-1C16 | EKM1-63DC-116 | |
| 20A | EKM1-63DC-1B20 | EKM1-63DC-1C20 | EKM1-63DC-120 | |
| 25A | EKM1-63DC-1B25 | EKM1-63DC-1C25 | EKM1-63DC-125 | |
| 32A | EKM1-63DC-1B32 | EKM1-63DC-1C32 | EKM1-63DC-132 | |
| 40A | EKM1-63DC-1B40 | EKM1-63DC-1C40 | EKM1-63DC-140 | |
| 50A | EKM1-63DC-1B50 | EKM1-63DC-1C50 | EKM1-63DC-150 | |
| 63A | EKM1-63DC-1B63 | EKM1-63DC-1C63 | EKM1-63DC-163 | |
| 2P (500VDC) | 1A | EKM1-63DC-2B01 | EKM1-63DC-2C01 | EKM1-63DC-201 |
| 2A | EKM1-63DC-2B02 | EKM1-63DC-2C02 | EKM1-63DC-202 | |
| 3A | EKM1-63DC-2B03 | EKM1-63DC-2C03 | EKM1-63DC-203 | |
| 4A | EKM1-63DC-2B04 | EKM1-63DC-2C04 | EKM1-63DC-204 | |
| 5A | EKM1-63DC-2B05 | EKM1-63DC-2C05 | EKM1-63DC-205 | |
| 6A | EKM1-63DC-2B06 | EKM1-63DC-2C06 | EKM1-63DC-206 | |
| 8A | EKM1-63DC-2B08 | EKM1-63DC-2C08 | EKM1-63DC-208 | |
| 10A | EKM1-63DC-2B10 | EKM1-63DC-2C10 | EKM1-63DC-210 | |
| 13A | EKM1-63DC-2B13 | EKM1-63DC-2C13 | EKM1-63DC-213 | |
| 16A | EKM1-63DC-2B16 | EKM1-63DC-2C16 | EKM1-63DC-216 | |
| 20A | EKM1-63DC-2B20 | EKM1-63DC-2C20 | EKM1-63DC-220 | |
| 25A | EKM1-63DC-2B25 | EKM1-63DC-2C25 | EKM1-63DC-225 | |
| 32A | EKM1-63DC-2B32 | EKM1-63DC-2C32 | EKM1-63DC-232 | |
| 40A | EKM1-63DC-2B40 | EKM1-63DC-2C40 | EKM1-63DC-240 | |
| 50A | EKM1-63DC-2B50 | EKM1-63DC-2C50 | EKM1-63DC-250 | |
| 63A | EKM1-63DC-2B63 | EKM1-63DC-2C63 | EKM1-63DC-263 | |
| 4P (1000VDC) | 1A | EKM1-63DC-4B01 | EKM1-63DC-4C01 | EKM1-63DC-401 |
| 2A | EKM1-63DC-4B02 | EKM1-63DC-4C02 | EKM1-63DC-402 | |
| 3A | EKM1-63DC-4B03 | EKM1-63DC-4C03 | EKM1-63DC-403 | |
| 4A | EKM1-63DC-4B04 | EKM1-63DC-4C04 | EKM1-63DC-404 | |
| 5A | EKM1-63DC-4B05 | EKM1-63DC-4C05 | EKM1-63DC-405 | |
| 6A | EKM1-63DC-4B06 | EKM1-63DC-4C06 | EKM1-63DC-406 | |
| 8A | EKM1-63DC-4B08 | EKM1-63DC-4C08 | EKM1-63DC-408 | |
| 10A | EKM1-63DC-4B10 | EKM1-63DC-4C10 | EKM1-63DC-410 | |
| 13A | EKM1-63DC-4B13 | EKM1-63DC-4C13 | EKM1-63DC-413 | |
| 16A | EKM1-63DC-4B16 | EKM1-63DC-4C16 | EKM1-63DC-416 | |
| 20A | EKM1-63DC-4B20 | EKM1-63DC-4C20 | EKM1-63DC-420 | |
| 25A | EKM1-63DC-4B25 | EKM1-63DC-4C25 | EKM1-63DC-425 | |
| 32A | EKM1-63DC-4B32 | EKM1-63DC-4C32 | EKM1-63DC-432 | |
| 40A | EKM1-63DC-4B40 | EKM1-63DC-4C40 | EKM1-63DC-440 | |
| 50A | EKM1-63DC-4B50 | EKM1-63DC-4C50 | EKM1-63DC-450 | |
| 63A | EKM1-63DC-4B63 | EKM1-63DC-4C63 | EKM1-63DC-463 | |
| Breaking capacity 10KA | ||||
| 1P(250VDC) | 1A | EKM1-63HDC-1B01 | EKM1-63HDC-1C01 | EKM1-63HDC-101 |
| 2A | EKM1-63HDC-1B02 | EKM1-63HDC-1C02 | EKM1-63HDC-102 | |
| 3A | EKM1-63HDC-1B03 | EKM1-63HDC-1C03 | EKM1-63HDC-103 | |
| 4A | EKM1-63HDC-1B04 | EKM1-63HDC-1C04 | EKM1-63HDC-104 | |
| 5A | EKM1-63HDC-1B05 | EKM1-63HDC-1C05 | EKM1-63HDC-105 | |
| 6A | EKM1-63HDC-1B06 | EKM1-63HDC-1C06 | EKM1-63HDC-106 | |
| 8A | EKM1-63HDC-1B08 | EKM1-63HDC-1C08 | EKM1-63HDC-108 | |
| 10A | EKM1-63HDC-1B10 | EKM1-63HDC-1C10 | EKM1-63HDC-110 | |
| 13A | EKM1-63HDC-1B13 | EKM1-63HDC-1C13 | EKM1-63HDC-113 | |
| 16A | EKM1-63HDC-1B16 | EKM1-63HDC-1C16 | EKM1-63HDC-116 | |
| 20A | EKM1-63HDC-1B20 | EKM1-63HDC-1C20 | EKM1-63HDC-120 | |
| 25A | EKM1-63HDC-1B25 | EKM1-63HDC-1C25 | EKM1-63HDC-125 | |
| 32A | EKM1-63HDC-1B32 | EKM1-63HDC-1C32 | EKM1-63HDC-132 | |
| 40A | EKM1-63HDC-1B40 | EKM1-63HDC-1C40 | EKM1-63HDC-140 | |
| 50A | EKM1-63HDC-1B50 | EKM1-63HDC-1C50 | EKM1-63HDC-150 | |
| 63A | EKM1-63HDC-1B63 | EKM1-63HDC-1C63 | EKM1-63HDC-163 | |
| 2P (500VDC) | 1A | EKM1-63HDC-2B01 | EKM1-63HDC-2C01 | EKM1-63HDC-201 |
| 2A | EKM1-63HDC-2B02 | EKM1-63HDC-2C02 | EKM1-63HDC-202 | |
| 3A | EKM1-63HDC-2B03 | EKM1-63HDC-2C03 | EKM1-63HDC-203 | |
| 4A | EKM1-63HDC-2B04 | EKM1-63HDC-2C04 | EKM1-63HDC-204 | |
| 5A | EKM1-63HDC-2B05 | EKM1-63HDC-2C05 | EKM1-63HDC-205 | |
| 6A | EKM1-63HDC-2B06 | EKM1-63HDC-2C06 | EKM1-63HDC-206 | |
| 8A | EKM1-63HDC-2B08 | EKM1-63HDC-2C08 | EKM1-63HDC-208 | |
| 10A | EKM1-63HDC-2B10 | EKM1-63HDC-2C10 | EKM1-63HDC-210 | |
| 13A | EKM1-63HDC-2B13 | EKM1-63HDC-2C13 | EKM1-63HDC-213 | |
| 16A | EKM1-63HDC-2B16 | EKM1-63HDC-2C16 | EKM1-63HDC-216 | |
| 20A | EKM1-63HDC-2B20 | EKM1-63HDC-2C20 | EKM1-63HDC-220 | |
| 25A | EKM1-63HDC-2B25 | EKM1-63HDC-2C25 | EKM1-63HDC-225 | |
| 32A | EKM1-63HDC-2B32 | EKM1-63HDC-2C32 | EKM1-63HDC-232 | |
| 40A | EKM1-63HDC-2B40 | EKM1-63HDC-2C40 | EKM1-63HDC-240 | |
| 50A | EKM1-63HDC-2B50 | EKM1-63HDC-2C50 | EKM1-63HDC-250 | |
| 63A | EKM1-63HDC-2B63 | EKM1-63HDC-2C63 | EKM1-63HDC-263 | |
| 4P (1000VDC) | 1A | EKM1-63HDC-4B01 | EKM1-63HDC-4C01 | EKM1-63HDC-401 |
| 2A | EKM1-63HDC-4B02 | EKM1-63HDC-4C02 | EKM1-63HDC-402 | |
| 3A | EKM1-63HDC-4B03 | EKM1-63HDC-4C03 | EKM1-63HDC-403 | |
| 4A | EKM1-63HDC-4B04 | EKM1-63HDC-4C04 | EKM1-63HDC-404 | |
| 5A | EKM1-63HDC-4B05 | EKM1-63HDC-4C05 | EKM1-63HDC-405 | |
| 6A | EKM1-63HDC-4B06 | EKM1-63HDC-4C06 | EKM1-63HDC-406 | |
| 8A | EKM1-63HDC-4B08 | EKM1-63HDC-4C08 | EKM1-63HDC-408 | |
| 10A | EKM1-63HDC-4B10 | EKM1-63HDC-4C10 | EKM1-63HDC-410 | |
| 13A | EKM1-63HDC-4B13 | EKM1-63HDC-4C13 | EKM1-63HDC-413 | |
| 16A | EKM1-63HDC-4B16 | EKM1-63HDC-4C16 | EKM1-63HDC-416 | |
| 20A | EKM1-63HDC-4B20 | EKM1-63HDC-4C20 | EKM1-63HDC-420 | |
| 25A | EKM1-63HDC-4B25 | EKM1-63HDC-4C25 | EKM1-63HDC-425 | |
| 32A | EKM1-63HDC-4B32 | EKM1-63HDC-4C32 | EKM1-63HDC-432 | |
| 40A | EKM1-63HDC-4B40 | EKM1-63HDC-4C40 | EKM1-63HDC-440 | |
| 50A | EKM1-63HDC-4B50 | EKM1-63HDC-4C50 | EKM1-63HDC-450 | |
| 63A | EKM1-63HDC-4B63 | EKM1-63HDC-4C63 | EKM1-63HDC-463 | |
what is dc mcb
DC Miniature Circuit Breakers (DC MCBs) are essential protection devices designed specifically for direct current (DC) circuits. Unlike their AC counterparts, DC MCBs are engineered to interrupt constant DC current, which poses unique challenges for arc extinction due to the absence of natural current zero crossings.
Dc mcb wiring diagram
DC circuit breakers are classified into polarized DC MCB and non-polarized DC MCB. Product wiring must be carried out in accordance with the supplier's product user manual
Can we use ac mcb for dc voltage
Generally, AC MCBs can support voltages below 24V/48V and function as non-polarized circuit breakers. However, specific usage must be confirmed by referring to the MCB's user manual. For photovoltaic applications with voltages such as 250V, 600V, 1000V, or 1500V, it is essential to purchase dedicated DC MCBs.
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Website : www.etek-electric.com
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