Xl-21 Power Distribution Cabinet
Category:
Keywords: Electrical Equipment
- Description
Xl-21 Power Distribution Cabinet
-
- Commodity name: Xl-21 Power Distribution Cabinet
The XL-21 power distribution cabinet is suitable for use in power plants and industrial and mining enterprises as a power distribution device in three-phase four-wire systems with AC voltages of 500 V or less. The XL-21 power distribution box is an indoor, wall-mounted unit designed for front-panel maintenance.
Overview
The XL-21 power distribution cabinet is suitable for use in power plants and industrial and mining enterprises as a power distribution device in three-phase four-wire systems with AC voltages of 500 V or less. The XL-21 power distribution box is an indoor, wall-mounted unit designed for front-panel maintenance.
Model and Meaning

Structural Features
The XL-21 power distribution cabinet is a closed-type unit with a shell fabricated by pressing steel plates. The operating handle for the knife switch is mounted on the upper part of the front right upright, enabling it to be used for switching the power supply. A voltmeter is installed on the front panel to indicate the busbar voltage. The cabinet is equipped with a door; when opened, all internal components are fully exposed, facilitating inspection and maintenance. This distribution cabinet utilizes domestically designed modular components, featuring a compact structure, convenient maintenance, and flexible configuration options for wiring schemes. In addition to air circuit breakers and fuses for short-circuit protection, the cabinet is also fitted with contactors and thermal relays, and the front door can be equipped with operation pushbuttons and indicator lights.
Knife-fuse combination switch
Model Rated Current (A) Melt Rated Current (A) Remarks HR3-400/34 400 150, 200, 250, 300, 350, 400 No molten material during installation of the isolation blade. Air circuit breaker
Model Rated Current (A) Trip unit setting current (A) MLM5-40/390 20 7, 10, 15, 20, 30, 40 MLM1-100/300 100 15, 20, 25, 30, 40, 50, 60, 80, 100 MLM1-250/300 250 100, 120, 140, 170, 200, 225, 250 Current transformer
Model Primary Current (A) Secondary current (A) LM-0.5 75, 100, 150, 200, 300, 600 5 Fuse
Model Fuse rated current (A) Fuse Rated Current (A) RL1-15 15 2, 4, 5, 6, 10, 15 RL1-60 60 20, 25, 30, 35, 40, 50, 60 RL1-100 100 30, 40, 50, 60, 80, 100 RL1-200 200 80, 100, 120, 150, 200 RL1-400 400 150, 200, 250, 300, 350, 400 AC contactor
Model Rated Current (A) Attraction coil voltage (V) MLC3-10 10 AC 110, 220, 380 MLC3-20 20 AC 110, 220, 380 MLC3-40 40 AC 110, 220, 380 MLC3-80 80 AC 110, 220, 380 MLC3-150 150 AC 110, 220, 380
Related Products
Get a Free Quote
Fill in your phone number and E-mail information, and we will contact you within one working day to solve your problems as soon as possible.
Henan Jinyu Electric Co., Ltd.
Service Hotline:400-688-0375
Tel:+86-18103909516
Email:hnjydq1999@126.com
Address: South Section of Chuangye Road, Ji County Industrial Cluster, Henan Province, Central Plains Electric City
Scan