HY 4-Pole Residual Current Circuit Breaker (RCCB) for Low-Voltage Power Distribution

Key Features

• 4-Pole Configuration – Suitable for three-phase four-wire distribution systems with neutral connection.
• Residual Current Protection – Helps detect leakage current and disconnect the circuit under abnormal conditions.
• Integrated Test Button – Allows convenient functional testing of the residual-current protection mechanism.
• Multi-Pole Linked Operation – Enables coordinated switching and isolation of the protected circuit.
• Compact Modular Construction – Suitable for space-efficient installation in distribution boards and electrical cabinets.
• Clear Operating Mechanism – Provides convenient manual switching and circuit isolation.
• Wide Application Range – Suitable for industrial, commercial, building, and low-voltage distribution systems.

Technical Specification