NS-circuit breaker

Detailed Product Description

                        Main technical performance of NS circuit breaker

We are circuit breaker factory in China. RGM50 molded case circuit breaker(MCCB) are the new series breakers developed to internetional standards and manufacured with advanced technology by the company.

The breakers has rated insulation voltage 690v.It is used for distribution network .

Rated current :10A-1250A

Rated voltage:415V

ICU:35-85KA

                          Function of molded case circuit breaker

The ABB circuit  breaker have the short-circuit ,overload,under-voltage protection, can protect the circuit line and the equipment against damage.The breaker also can be for unfrequent switching of electric circuit under normal conditions .The breakers with the frame rated current below 400A can be used for unfrequent starting and interruption of squirrel cage motors, and protect the motors against overload ,short-circuit and under-voltage.

                            About accessory of molded case circuit breaker

The ABB circuit breaker can be equipped with electrical accessories and mechanical accessories:such as under-voltage release,shunt release,alarm contacts,auxiliary contacts,electrical poperation mechnism,turning handle mechanism,etc.

                           Appliance standard of molded case circuit breaker

GB14048.1 (IEC60947-1)                                                        GB14048.2(IEC60947-2)

GB14048.4(IEC60947-4-1)                                                      GB14048