Description
YUW1 series Air Circuit Breaker (hereinafter referred to as circuit breaker) is applied in distribution network with AC 50HZ, rated voltage 690V (or below), and rated current 200A-6300A. It is used to distribute electric energy, protect circuit and power supply from damage of defaults, such as overload, under voltage, short circuit, single-phase grounding. Circuit breaker has intelligent protection function, and its selective protection is accurate. Besides, it can improve the reliability of power supply and avoid unnecessary blackout. At the same time, it possesses open-type communication interface to realize four-remote function, namely remote control, remote regulating, remote measurement and remote communication, in order to meet the requirement of control center and automatic system. This circuit breaker has isolation function.
Specification of the ACB630/4P Air Circuit Breaker
630 Amp
4 Pole
3 phase
Working Voltage: AC400/AC690, 50Hz
Intelligence Controller
Intelligence controller: H (intelligence type), M (Standard type), L (Economy type)
Have overload long delayed inverse time limit, short delayed inverse time limit, constant time-lag and instant function, it can according to user require to set protect.
Single ground protect function.
Display function: setting current display, action current display and each line voltage main display (voltage display need ask us when give me the order)
Alarm function: overload alarm.
Self test function: overheating self test, microcomputer self diagnosis.
Test function: intelligent controller of operating characteristic.
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