Circuit breaker Legrand 412900 — single-pole protection device, compact module, package 184×88×100 mm

Legrand 412900 is a single-pole circuit breaker designed for overcurrent protection in residential and light commercial electrical installations. The device provides compact, module-format protection for individual circuits, helping to prevent damage from overloads and short circuits. The product is supplied in packaging sized 184×88×100 mm and is built to conform to IEC 60669-1, with a nominal rating of 32 A and compatibility with fluorescent lamp loads rated at 20 AX.

Advantages

This single-pole protection device offers a compact form factor that fits standard modular distribution boards, making installation and replacement straightforward. Conformance to IEC 60669-1 ensures that the breaker meets recognized safety and performance criteria. The 32 A nominal rating covers a wide range of branch-circuit applications while the specified compatibility with fluorescent lamps at 20 AX reduces the risk of nuisance tripping when used on lighting circuits.

Suitable for

Key specifications

How to use

Install the breaker in a compatible modular distribution board according to local electrical codes and the panel manufacturer’s instructions. Ensure power is isolated before mounting or replacing the device. Connect the line and load conductors to the appropriate terminals and secure all connections to the torque values recommended for the panel. After installation, restore power and verify proper operation by switching the breaker on and off and checking that protected circuits are energized without fault.

Recommendations

Use this device on circuits within its 32 A rating and verify compatibility with connected loads, especially lighting circuits with fluorescent lamps. Periodically inspect terminals for tightness and signs of overheating. For safety and optimal performance, installation and maintenance should be performed by a qualified electrician following applicable regulations.