Circuit breaker Legrand 412790 Width 85 mm Depth 100 mm Height 22 mm

The Legrand 412790 circuit breaker is designed for reliable protection of electrical circuits in residential and commercial installations. Compact in size with dimensions of 85 mm width, 100 mm depth and 22 mm height, it fits into standard electrical panels where space is limited. The device interrupts current flow when overloads or short circuits occur, helping to prevent damage to wiring and connected equipment while supporting safe operation of the installation.

Advantages

This circuit breaker provides dependable overcurrent and short-circuit protection in a compact form factor that simplifies panel layout. Its dimensions allow straightforward mounting in constrained enclosures without sacrificing protective performance. The design supports quick identification and access for maintenance and replacement, and its mechanical construction is intended for consistent operation under repeated fault conditions.

Suitable for

Key specifications

How to use

Install the circuit breaker into the appropriate panel or rail according to local electrical codes and the panel manufacturer’s instructions. Ensure the supply is isolated before connecting conductors, and verify correct tightening of terminals. After installation, restore supply and test the breaker by applying a controlled load or using a test function if available to confirm correct operation. Periodically inspect connections and the breaker housing for signs of wear, overheating, or damage and replace the unit if any fault is detected.

Recommendations

Select a breaker rating and characteristic compatible with the protected circuit and load requirements, and follow applicable wiring regulations during installation. For safety, have installation and maintenance carried out or verified by a qualified electrician. Do not operate the breaker if it shows physical damage or signs of arcing; replace with a matching functional device.