Overview

WITW3 Series intelligent universal type circuit breaker is suitable for ac 50Hz, rated voltage 690V and below 690V, rated current at 200A ~ 4000 A distribution network, circuit breaker is used to allocate electricity and protect circuit and power equipment from overload, owe voltage, short circuit, the harm of single-phase grounded fault. This product has function of intelligent protection which can avoid unnecessary power outages, at the same time, it has an open communication interface and the function of four-remote control , therefore，it can meet the requirements of control center and automation systems. This product conforms to the GB14048.2 and IEC60947-2 standard.

Characteristics

1. Compact structure, high ability of capability of switching, it has no arcing distance, long service life, safe and reliable;

2. It has a strong intelligent tripping unit to meet the various requirements of customers, interface, easy to operate;

3. It has a unique MCR and HSISC protection function;

4. It has the multi-function ground fault protection, it can provide equipment and the higher and lower cable with comprehensive ground fault protection;

5. It has a unique heat memory function and powerful communication function, which can support the Modbus, profibus-dp and Devicenet communications protocol;

6. It has the ammeter and voltage meter display as well as isolation and self-check function;

7. It has a perfect supervisor selective protection, which will guarantee the continuity of power supply.

Main technical parameters