Low-Voltage Power Distribution Cabinet with Automatic Compensation
This low-voltage distribution cabinet is designed for AC 50Hz transmission and distribution systems with a rated current below 0.4kV. It integrates automatic compensation and distribution with functions like leakage protection, electrical energy calculation, and overcurrent protection.




Technical Specifications
Product Overview
Integrated Power Distribution & Compensation
This low-voltage power distribution cabinet is designed for AC 50Hz transmission and distribution systems with voltages below 0.4kV. It intelligently integrates automatic powerless compensation with electrical distribution, offering a comprehensive solution that includes leakage protection, energy metering, and safeguards against overcurrent, overvoltage, and open-phase conditions. Built for both indoor and outdoor environments, this cabinet features a compact, durable design that ensures reliable operation, easy installation, and enhanced protection for electrical networks.


Technical Performance
Key Performance Metrics
Protection Specifications
| Parameter | Limit |
|---|---|
| Leakage Action Current | <300mA |
| Electrical Shock Action Current | ≤50mA |
| Action Time | <0.2S |
Environmental Conditions
Operating Environment
- Ambient Temperature: -25°C to +40°C (Average ≤ +35°C)
- Altitude: Up to 2000m
- Installation Inclination: ≤ ±5°
- Protection Degree: IP55
- Operating Environment: Free from severe vibration, corrosive gas, and conductive dust
Key Components
Internal Components
| Component Type | Model/Function |
|---|---|
| Watt-hour Meter | DD862 3-phase/4-wire |
| Total Control | CJ20 AC Contactor |
| Shunt Distribution | RDM1 Plastic Housing Circuit Breaker |
| Leakage Relay | RDJD2 Phase Demodulation Amplitude Discrimination |
| Power Controller | JKL5C Powerless Power Controller |
| Capacitor | BSMJ Self-recovery Low-voltage Parallel Capacitor |

Product Features
- Key Features
- Automatic CompensationWeatherproofLeakage ProtectionOvercurrent ProtectionOvervoltage ProtectionEasy InstallationCompact DesignElectric Larceny Protection




