Overview of XL-21 low-voltage power distribution cabinet
It is suitable for power plants and industrial and mining enterprises, three-phase three-wire, three-phase four-wire, three-phase five-wire systems with AC voltage of 500V and below, for power lighting distribution. It is also suitable for making various motor starting cabinets, including full-voltage direct starting cabinets, fully digital control soft-starting cabinets, auto-coupling step-down starting cabinets, star-delta starting cabinets, multi-speed motor starting cabinets, etc.
Model and its meaning
main feature
The XL-21 low-voltage power distribution cabinet is an indoor wall-mounted distribution device with a single front door. Its basic structure is made of bent steel plates and welded angle steel. A knife switch operating handle can be installed on the right side of the front for power cut-off and connection operations. Operation buttons, indicator lights and display instruments can be installed on the door. After opening the box, all the internal equipment of the distribution box will be exposed for convenience. For inspection and maintenance, this distribution box is equipped with air circuit breaker, fuse as short circuit protection, contactor and thermal relay. The door and the shell are both welded with ground screws to ensure reliable connection between the shell and the ground. The upper part of the box has a removable cover. The distribution box can be wall mounted. The incoming and outgoing cables are introduced from the bottom. If users have special requirements, they can also drill knock-out holes for line entry or add a busbar room on the box top cover.