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.
Characteristics
1. The main electrical performance fully conforms to iec60439-1 and gb7251.1.
2. The auxiliary circuit has local, remote and automatic control switching function, and the contactor can adopt direct protection.
3. The outlet switch adopts a new type of molded case short circuit and compound release with small volume, high breaking and short (or no) flashover. It has overload and short-circuit protection function, and can install leakage protection function according to user's requirements.
4. The motor circuit has the functions of overload, short circuit, undervoltage and phase loss protection.
5. The product meets the protection level of IP42, and can be used as outdoor power, safe and reliable.
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