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
Connection: According to the wiring diagram
EKM1-63DC is a specialized DC circuit breaker designed specifically for photovoltaic applications with rated working voltage up to DC 1000V. Its advanced arc extinguishing and current limiting system quickly disconnects fault currents in DC power distribution systems, protecting vital photovoltaic modules from damage caused by high DC reverse current and AC feedback current during inverter failures. This ensures reliable and safe operation of your entire solar PV system.
Features
• Enhanced Safety: Specialized design protects expensive solar components from damage
• Superior Performance: Advanced arc extinguishing system quickly isolates fault conditions
• Versatile Configuration: Multiple pole configurations for different voltage requirements
• Internationally Certified: Complies with global safety and performance standards
• Reliable Operation: Thermo-magnetic trip mechanism for both thermal overload and short-circuit protection
Applications
• Solar PV system DC circuit protection
• Inverter input protection
• DC power distribution systems
• Photovoltaic array protection circuits
• Off-grid and grid-tied solar installations
|
Standard |
IEC/EN60947-2 |
|
Protection |
Overcurrent and short circuit |
|
Type of trip |
Thermo-magnetic |
|
No. of poles |
1P,2P,4P |
|
Rated currents (In) |
6,10,16,20,25,32,40,50,63A |
|
Rated voltage (Ue) |
1P(250VDC), 2P(500VDC), 4P(1000VDC) |
|
Rated insulation voltage (Ui) |
500V |
|
Rated breaking capacity |
6,000A |
|
Rated impulse withstand voltage (Uimp) (1.2/50µs) |
4kV |
|
Dielectric test voltage |
2kV (50/60Hz, 1 min.) |
|
Thermal release characteristic |
(1.05-1.30) x In |
|
Magnetic release characteristic |
(8-12) x In |
|
Electrical life |
4,000 Cycles |
|
Mechanical life |
10,000 Cycles |
|
Contact position indicator |
Yes |
|
Protection degree |
IP20 |
|
Ambient temperature |
-5℃ to +40℃, Max. 95% humidity |
|
Terminal connection type |
Cable/Pin-type busbar/Fork-type busbar |
|
Max. terminal size for cable |
25mm² |
|
Max. tightening torque |
2.5N.m |
|
Installation |
Mounting on 35mm DIN rail |
|
Connection |
According to the wiring diagram |
