Legrand 406401 circuit breaker

The Legrand 406401 circuit breaker is a compact protective device designed to safeguard electrical circuits in residential, commercial and light industrial installations. It combines a small footprint with robust construction to provide overcurrent protection, helping to prevent damage to wiring and connected equipment. Supplied in a pack of 10 pieces, this circuit breaker is intended for use where multiple identical protection points are required.

Advantages

This circuit breaker offers space-efficient dimensions with a width of 100 mm, depth of 182 mm and height of 86 mm, enabling installation in constrained distribution boards. Its construction is intended for repeated operation and long service life, providing consistent tripping performance. Supplied as a multi-pack, it simplifies procurement and installation planning when several units are needed.

Key specifications

How to use

Install the circuit breaker into a compatible distribution board following local electrical codes and safety standards. Ensure power is disconnected before beginning work. Mount the device in the designated rail or panel space and make secure connections to line and load conductors using appropriate torque values for terminal screws. After installation, verify that the circuit breaker operates correctly by testing the switching function under no-load conditions and performing any required commissioning tests.

Recommendations

Use this circuit breaker as part of a complete protective scheme, ensuring coordination with upstream and downstream protective devices. Select the correct current rating and trip characteristics for the specific circuit load, and schedule periodic inspections and testing to confirm continued reliable operation.