XL-21(M) type power distribution box is used in industrial and mining enterprises, with an AC frequency of 50 hz, voltage 500V IT systems, TN - C system and TT system (formerly called three-phase three-wire and three-phase four-wire power system), and use for distribution of electric power and lighting.
Specification:
XL-21(M) type power distribution box is closed and the shell is made of steel. The knife switch operating handle is mounted on the upper right side of the front box, used as switching power. There is a voltage meter in front of the distribution box indicating power between the busbars. There is also a door in front of the distribution. Open it you can see all the equipment and easy to maintenance.
XL-21(M) type power distribution box is made of new self-designed components of domestic, with compact structure, convenient maintenance, line scheme can flexible combination and other characteristics. The distribution box has air circuit breaker and fuse as short circuit protection, in addition it has contactor and thermal relay. And it can be installed pendant light on the front door.
Execution standard GB7251, protection class for IP43, welding structure,single-leaf door, can also be made based on users’ needs. (Optional fixed or profile combined).