Commel RCCB 40A 2P 30mA, 6kA 0.03A residual current circuit breaker

Product overview

Commel RCCB 40A 2P 30mA, 6kA 0.03A residual current circuit breaker is designed to increase electrical safety in homes, apartments and small commercial installations. Installed in the distribution board, it helps protect people and equipment by disconnecting the circuit in the event of a fault current.

This 2‑pole device with 40A rated current and 30mA residual operating current is suitable as part of a modern protection system when combined with appropriate circuit breakers.

Key features

• Rated current: 40A
• Poles: 2P
• Rated residual operating current: 30mA (0.03A)
• Breaking capacity: 6kA
• Mounting: 35 mm DIN rail
• Busbar compatibility: can be connected with pin or fork type phase busbar

Design and installation

• Easy testing: front test button allows regular functional checks of the device.
• DIN rail mounting: fits standard 35 mm DIN rails used in distribution boards.
• Wiring capacity: suitable for conductors up to 25 mm² cross‑section, allowing use in a wide range of residential and light commercial applications.
• Labelling window: integrated label window for clear circuit identification and easy maintenance.

Operating conditions

• Ambient temperature range: −25°C to +40°C
• Relative humidity: up to 95% (non‑condensing, according to typical installation practice)

Application

The Commel residual current circuit breaker is intended for use in distribution boards where additional protection against electric shock and leakage currents is required. It is suitable for lighting and general power circuits when installed and dimensioned according to relevant standards and regulations by a qualified electrician.