Circuit Breaker Accessories

Application

Applicable to MCB model JVM16-63, used to control remote signaling device.

F3 Auxiliary Contact：

Contact capacity:

AC: Un=415V In=3A

Un=240V In=6A

DC: Un=125V In=1A

Un=48V In=2A

Un=24V In=6A

Dielectric strength：2kV/1min

Electro-mechanical endurance：≥5000

Mounted on the left side of the MCB JVM16-63, indicating “ON”,”OFF”status of combined MCB。

Terminal Connection Height：H1=31mm H2=16mm H3=1.3mm

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.

Terminal Connection Height ：19mm

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 ：2000V/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)

U3+O3 Over-Voltage/Under-Voltage Tripper

Rated voltage：AC 230V

Rated insulating voltage(Ui) ：500V

Over-voltage tripping range：280V ± 5%

Under-voltage tripping range ：171V ± 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.