Accessories



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).