Xl-21 series power distribution box is suitable for power distribution and lighting distribution in industrial and civil buildings with AC frequency of 50 Hz, voltage of 500 V and below, three-phase four wire power system. At the same time, it is suitable for making all kinds of motor starting cabinets, including full voltage direct starting cabinet, full digital control soft starting cabinet, self coupling step-down starting cabinet, star delta starting cabinet, multi speed motor starting cabinet, etc. There are dozens of primary line scheme numbers or derived scheme numbers for selection, which have a wide range of applications.
This product is an indoor enclosed distribution box. The box body is made of thin steel plate by bending and welding. The front of the box body is a single left door. The door is equipped with voltmeter, ammeter and other measuring instruments, operating appliances and signal appliances. It is a power distribution device with simple structure, reliable operation and low cost.
1、The main electrical properties are in full compliance with IEC60439-1 and G87251.1.2. The auxiliary loop has local, remote and automatic control switching functions and the contactor can be directly protected.
2、The outlet switch adopts a new type of plastic-case short circuit and multiple trip device with small volume, high breaking and short fly-arc (or no fly-arc). With overload， short circuitprotection function and can be installed aooording to user requirements leakage protection function.
3、The motor circuit has the functions of overload, short circuit, under voltage and phase loss protection.
4、The products meet the IP42 protection grade, can be used as outdoor electricity,sate and reliable.
