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Weekly Tech Guide: Understanding JXF Low-Voltage Distribution Box for Safe Power Control
The JXF Low-Voltage Distribution Box from Mingri Electric is an advanced electrical distribution panel designed for 50Hz/400V power systems. This robust control box delivers reliable performance in demanding environments while ensuring complete electrical safety.
Product Overview
The JXF Control Box from Mingri Electric is a versatile low-voltage distribution solution designed for 50Hz/400V systems with current ratings up to 250A. Built to operate reliably in harsh environments (-25°C to +40°C) and at altitudes up to 2000m, it provides comprehensive motor protection and safeguards against leakage, overload, and short-circuit faults.
Internal Configuration Breakdown
| Component | Function Description |
| Control Transformer | Provides safe voltage for control circuits |
| Automatic Transfer Switch (ATS) | Enables automatic switching between main and backup power sources |
| Molded Case Circuit Breaker (MCCB) | Provides overload and short-circuit protection for main circuits |
| Miniature Circuit Breaker (MCB) | Protects branch circuits |
| Relay | Performs logic operations in control circuits |
| AC Contactor | Controls motor start/stop operations |
| Surge Protective Device | Provides lightning strike and overvoltage protection |
The JXF distribution box integrates several critical components to ensure safe and efficient operation. These include the BK-50kA control transformer for safe control voltage, Dual Power Automatic Transfer Switch (ATS) for automatic power source switching, MCCB for main circuit protection, MCB for branch protection, JS1 relay for control logic, AC contactor for motor control, and SJKS1 surge protector for overvoltage protection.
★Whether you require individual components or a complete system, Mingri Electric provides all the high-quality parts listed above. Get in touch with our sales team for pricing and availability.★
Applications & Advantages
Ideal for metallurgy, petrochemicals, and urban infrastructure, the JXF control box offers phase-loss protection and corrosion-resistant design. Its compact construction saves space while providing reliable performance in industrial, commercial, and residential applications.
Selection & Installation Guide
When selecting a JXF distribution box, consider the total load requirements, environmental conditions, and necessary protection level. Installation should be performed by qualified personnel in well-ventilated locations away from direct sunlight and moisture. Regular maintenance checks ensure optimal performance and safety.
Maintenance & Troubleshooting
Regular inspection should include checking for loose connections, proper circuit breaker operation, and signs of overheating. Common issues like tripping may indicate overload or short circuits, while unusual noises often suggest loose internal components requiring professional attention.