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EKM1-63DC-1P-250V-DC-miniature-circuit-breaker-mcb-1
EKM1-63DC-1P-250V-DC-miniature-circuit-breaker-mcb-1 EKM1-63DC-2P-600V-DC-miniature-circuit-breaker-mcb-1 EKM1-63DC-4P-1000V-DC-miniature-circuit-breaker-mcb-2

EKM1-63DC Miniaturer Circuit Breaker

EKM1-63DC 6KA DC MCB for Solar PV system EKM1-63DC the rated working voltage of DC circuit breakers specially used in photovoltaic can be as high as DC 1000V. The special arc extinguishing and current limiting system can quickly disconnect the fault current of the DC power distribution system. The photovoltaic module, an important component in solar power system, can avoid damage from high DC reverse current and AC feedback current caused by the inverter failure, ensuring a reliable operation of solar PV system.

● 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

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Product Profile

Product Profile

EKM1-63DC DC MCB Description

 

About the EKM1-63DC DC Miniature Circuit Breaker

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.

Model Preparation Meaning

Model Preparation Meaning

EKM1-63DC-263 DC MCB

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
 

 

Technical Data

Technical Data

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

 
Dimensions

Dimensions

EKM1-63DC DC MCB Connection Diagram

 

ekm1 63dc 6ka 10ka dc mcb 5

 

EKM1-63DC DC Miniaturer Circuit Breaker Size

 

ekm1 63dc 6ka 10ka dc mcb 6

EKM1-63DC DC MCB Ratings and Selection Table

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

 

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