ML-SCB-40 4P is the SPD Back-up Protector (SCB), matched with surge protective device (SPD). It provides dedicated short-circuit protection for surge protector. When SPD fails and generates follow current, SCB can quickly cut off the circuit to prevent fire hazards caused by SPD burnout. Adopt standard DIN rail mounting, modular structure, easy installation and maintenance. Green status indicator for real-time working state monitoring. Flame-retardant plastic housing, stable performance, fast response. Widely used in power distribution cabinet, building lightning protection system, together with SPD surge protector.
| Item | Specification |
|---|---|
| Model | ML-SCB-40 |
| Pole | 4P |
| Rated Voltage Ue | 230V~ |
| Nominal Discharge Current In | 20kA |
| Maximum Discharge Current Imax | 40kA |
| Rated Breaking Capacity | Suitable for matching SPD |
| Mounting | 35mm DIN rail |
| Shell Material | Flame retardant thermoplastic |
| Working Temp | -20℃ ~ +70℃ |
| Function | Back-up protection for SPD, cut off follow current, prevent fire risk |
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