1. S2,S3 Shunt Tripper
Rated insulating voltage(Ui) | 500V |
Rated power voltage (Us) | AC 400, 230, 125V |
Operate voltage range | 70% 〜100% Us |
Contact capacity | AC： 3A/400V AC: 6A/230V AC： 9A/125V |
Dielectric strength | 2kV/1min |
Electro-mechanical endurance | >4000 |
Mounting on the right side of MCB/RCBO, used to trip the combined MCB/RCBO by remote controlling device.
2. U2+02,U3+03 Over/Under-voltage Tripper
Rated voltage (Ue) | AC 230V |
Rated insulating voltage (Ui) | 500V |
Over-voltage tripping range | 280V±5% |
Under-voltage tripping range | 170V±5% |
Electro-mechanical endurance | >4000 |
Mounted on the right side of circuit breaker, actuate the combined device to trip in case of under-voltage or over-voltage, effectively prevent the device from closing operation under abnormal power voltage condition.
3. SD3 Alarm Switch
Rated insulating voltage (Ui) | 500V |
Rated power voltage (Us) | AC 400,230,125V |
Operate voltage range | 70-100% Us |
Contact capacity | AC: 3A/400V AC: 6A/230V AC: 9A/125V |
Dielectric strength | 2kV/1min |
Electro-mechanical endurance | >4000 |
Is used to connect ON/OFF auxiliary contact, work as circuit breaker ON/OFF indicator in case of faulty (tripping).