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XL-21 Power Distribution Cabinet left.jpg

China XL-21 Power Distribution Cabinet: Low Voltage Switchgear Suppliers for Factories and Industrial Applications

Introducing the XL-21 Power Distribution Cabinet, an advanced low voltage switchgear solution designed specifically for 500V three-phase systems in China’s factories and industrial plants. This wall-mounted cabinet boasts robust C-section steel construction, featuring rotary load switches and front-access maintenance for user convenience. Adhering to GB7251.1/IEC60439-1 standards, the XL-21 integrates molded-case breakers equipped with overload and short-circuit protection, along with optional leakage protection and motor safeguards for phase-loss and undervoltage issues, As a preferred choice among suppliers, this low voltage switchgear promises multiple wiring schemes, current and voltage monitoring, and both remote and local control capabilities—all in a compact and maintenance-friendly design. Its modular structure allows for flexible configuration, making it suitable for a wide range of industrial applications, ensuring reliable power distribution for factories across China. Elevate your power management with the XL-21 Power Distribution Cabinet, a trusted solution from leading suppliers in the industry

Product Details

Type Designation

1	Box-type
2	Power
3	Dustproof-type
4	Design Serial Number
5	Main Circuit Scheme Number

Technical Parameters

No.	Name	Unit	Data
1	Main circuit rated voltage	V	AC: 380
2	Auxiliary circuit rated voltage	V	AC: 220, 380
3	Rated frequency	HZ	50
4	Rated insulation voltage	V	660
5	Rated current	A	≤800A

Key Features

✅ Box-Type Design: Compact and space-saving for easy installation.

✅ High Current Capacity: Supports up to 800A for heavy-duty applications.

✅ Voltage Rating: AC380V operational voltage with 660V insulation.

✅ 50Hz Frequency: Standard for industrial power systems.

✅ Modular Layout: Flexible configuration for breakers, meters, and busbars.

Product Display

Main Circuit Scheme

1. Isolation Switch: QSA Series, HR5 (Internal Operation)

2. Isolation Switch: QA, QP Series

3. Fuse: RTO, NT00, etc.

4. Circuit Breaker: DZ20, NM1, DZ47, NS, C45, etc.

5. Contactor: CJ20, B Series, N Series, etc.

6. Thermal Relay: JR20, JRS1, NR3 Series, etc.

7. Current Transformer: LMZJ1-0.5, LMK1-0.66, etc.

📌 Note: Product models can be customized per client requirements.

Outline and Installation Dimensions

A	B	C	D	H
800(600) optional	500(400) optional	650(450)	450(350)	1800(1600) optional
New HTXL-21 Power Distribution Cabinet Outline & Installation Dimensions

Transportation and Storage Specifications

1. Transportation: Use transport angle plates with ≤120° wire rope angles; avoid direct contact with chassis when using tools.

2. Handling: Prevent tilting/vibration; for minor moves, only pry at test frame corners.

3. Components: No unauthorized disassembly of electrical parts; maintain rain/moisture protection.

4. Documentation: Includes packing list, certifications, manuals, drawings, keys, and matched spare parts.

Frequently Asked Questions

What is the rated current capacity of the XL-21 Power Distribution Cabinet?

The XL-21 Power Distribution Cabinet supports a rated current of up to 800A, making it suitable for heavy-duty industrial power distribution applications.

What voltage does the XL-21 Power Distribution Cabinet operate at?

The main circuit operates at AC 380V, with auxiliary circuits supporting AC 220V and 380V. The rated insulation voltage is 660V for enhanced safety.

Can the internal components of the XL-21 cabinet be customized?

Yes. The main circuit components — including isolation switches, fuses, circuit breakers, contactors, thermal relays, and current transformers — can be customized based on client-specific requirements.

What are the available cabinet dimensions for the XL-21?

The cabinet offers flexible dimensions: Width (A) 600–800mm, Depth (B) 400–500mm, and Height (H) 1600–1800mm (optional). Refer to the outline drawing for full installation dimensions.

What precautions should be taken when transporting the XL-21 cabinet?

Transport must use angle plates with wire rope angles not exceeding 120°. Direct chassis contact with tools should be avoided. The cabinet must be protected from tilting, vibration, rain, and moisture during transit.

What documentation is included with the XL-21 Power Distribution Cabinet?

Each unit ships with a packing list, product certifications, operation manuals, installation drawings, cabinet keys, and matched spare parts to ensure a complete and ready-to-use delivery.