The XL-21 Metal-Enclosed Industrial Power Distribution Cabinet is an indoor low-voltage distribution system designed for centralized power control and protection. Developed by Wzonpa factory, it integrates switching, measurement, and protection in one compact steel-enclosed structure. It is engineered for wall-mounted installation with full front maintenance access, making it highly practical for industrial environments requiring safe and stable electricity management. It is widely used for distributing and controlling power in complex electrical networks.
The XL-21 Metal-Enclosed Industrial Power Distribution Cabinet offers strong operational reliability and flexible configuration:
Steel enclosed structure enhances durability and electrical safety
Integrated voltmeter displays real-time busbar voltage monitoring
Equipped with air circuit breakers, fuses, contactors, and thermal relays
Flexible circuit design supports various industrial load requirements
Front-door full access design simplifies inspection and repair
The XL-21 Metal-Enclosed Industrial Power Distribution Cabinet is suitable for a wide range of industrial and commercial environments, including manufacturing plants, building power distribution rooms, machinery workshops, and energy management systems. It is commonly applied in motor control systems, conveyor lines, compressors, and processing equipment where stable low-voltage distribution is essential. In real-world installations, the XL-21 Metal-Enclosed Industrial Power Distribution Cabinet improves system uptime and reduces operational risks.
Proper maintenance ensures long-term reliability of the XL-21 Metal-Enclosed Industrial Power Distribution Cabinet:
Check internal wiring according to electrical schematics
Ensure knife switches and breakers operate smoothly without blockage
Verify tight electrical contacts and secure fastening of components
Remove dust or foreign objects before operation restart
Routine inspection helps maintain the safe performance of the XL-21 Metal-Enclosed Industrial Power Distribution Cabinet in continuous industrial use.
Fused Disconnect Switch
| Model | Rated current(A) | Rated current of fuse link(A) | Remarks |
| HR3-400/34 | 400 | 150、200、250、300、350、400 |
There
is no fuse link when installing the isolating switch |
Air Circuit Breaker
| Model | Rated current(A) | Setting current of release device(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) | Primary current(A) |
| LM-0.5 | 75、100、150、200、300、600 | 5 |
Fuse
| Model | Fuse | Rated current of fuse link(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) | Pull-in Coil Voltage |
| MLC3-10 | 10 |
AC 110 220 380 |
| MLC3-20 | 20 | |
| MLC3-40 | 40 | |
| MLC3-80 | 80 | |
| MLC3-150 | 150 |
Q1: What is the main function of the XL-21 Metal-Enclosed Industrial Power Distribution Cabinet?
A: It distributes low-voltage power safely while integrating protection, measurement, and control functions in one system.
Q2: Where can the XL-21 Metal-Enclosed Industrial Power Distribution Cabinet be installed?
A: It is designed for indoor wall-mounted installation in industrial and commercial power distribution rooms.
Q3: What protection devices are included?
A: It includes air circuit breakers, fuses, contactors, and thermal relays for comprehensive circuit protection.
Q4: Is maintenance complicated?
A: No, the front-door full access design allows quick inspection and easy maintenance of internal components.
Q5: Why choose Wzonpa’s XL-21 Metal-Enclosed Industrial Power Distribution Cabinet?
A: It combines durability, safety, and flexible configuration, ensuring stable performance and long-term operational efficiency.
Address
No. 58 Binhainan Fourth Road, Economic Development Zone, Yueqing City, Wenzhou City, Zhejiang Province, China
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