XL-21 Low-Voltage Power Distribution Cabinet

A compact, cost-effective power distribution cabinet for industrial machinery, pumping stations and commercial facilities. Supports ATS dual-power switching and surge/lightning protection.

Product Specifications

Product Description

Product Overview

The XL-21 Low-Voltage Power Distribution Cabinet is a versatile and reliable indoor power distribution unit designed for low-voltage power networks up to AC 660V and 50Hz/60Hz. It is extensively used in industrial plants, high-rise buildings, hotels, and commercial complexes for power distribution, motor control, lighting, and line protection against overloads, short-circuits, and under-voltage conditions.

Key Features

  • Robust Welded Steel Frame: Features a cold-rolled steel sheet or high-quality profile structure for exceptional structural strength and durability.
  • Flexible Circuit Configuration: Supports wide customization with various combinations of circuit breakers, contactors, and measuring instruments.
  • User-Centric Panel Layout: Instruments, switches, and signal indicator lights are logically and clearly arranged on the front panel for easy operation.
  • Enhanced Operations Safety: Features reliable mechanical interlocking mechanisms and isolated busbar compartments to prevent accidental contact.
  • Easy Installation & Maintenance: Spacious interior layout facilitates effortless cable entry (top or bottom) and maintenance.

Technical Specifications

Rated Operational Voltage (Ue) AC 380V / 400V / 660V
Rated Insulation Voltage (Ui) AC 690V / 1000V
Rated Frequency 50 Hz / 60 Hz
Rated Current (In) Up to 630A (Consult for specifications)
Short-Time Withstand Current (Icw) 15kA / 30kA for 1s
Enclosure Protection Class IP30 / IP40 (Customizable up to IP54)
Cabinet Dimensions Standard sizing or custom built to layout requirements

Applications

  • Power systems in industrial workshops, factories, and water treatment plants.
  • Electrical rooms in high-rise office towers, residential estates, and commercial plazas.
  • Infrastructure projects including airports, transit terminals, and utility facilities.

Quality & Standards

Complies with IEC 61439-1 & 2 low-voltage switchgear standards. All units are certified under national mandatory safety standards and manufactured under ISO 9001 quality management systems.

Need a customized switchgear configuration? Consult our engineering team for specifications.

Power Equipment and EV Charging Solutions Supplier

Apex Power Systems provides transformers, box-type substations, complete switchgear, EV charging piles, and charging station controller solutions for power distribution and EV charging projects.

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Apex Power Systems (Nanjing) Co., Ltd.

Contact us for product details, quotation, and project support.

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