Legrand 411785 Miniature Circuit Breaker 4

The Legrand 411785 circuit breaker provides reliable overcurrent and short-circuit protection for electrical installations in residential and commercial environments. Designed to interrupt current flow when predefined thresholds are exceeded, this device helps prevent damage to wiring and connected equipment. The breaker’s compact form factor and robust construction make it suitable for integration into distribution boards and electrical panels where consistent protection and long service life are required.

Advantages

The unit offers accurate and repeatable tripping behavior to safeguard circuits against overloads and short circuits. Its durable housing and components are engineered to withstand normal operating conditions and frequent switching events. Lightweight construction at approximately 332 g contributes to easier handling during installation while maintaining mechanical strength. The product is compatible with standard DIN-rail mounting systems and typical residential and light-commercial distribution configurations.

Suitable for

Key specifications

How to use

Install the circuit breaker in the distribution board according to local wiring regulations and the panel manufacturer’s instructions. Ensure power is disconnected before fitting. Connect the incoming and outgoing conductors to the correct terminals and secure them to the recommended torque values for stable electrical contact. After installation, restore power and perform a functional test by switching the breaker on and off and verifying that it trips under appropriate test conditions or simulated faults as required by local standards.

Recommendations

Confirm compatibility with the existing distribution board and conductor sizes prior to installation. Periodically inspect the breaker and associated connections for signs of overheating or corrosion, and follow local electrical codes for testing intervals and maintenance. For any modification to the electrical installation, consult a qualified electrician.