Circuit breaker Legrand 411971 Width 78 mm Depth 101 mm Height 89 mm

The Legrand 411971 circuit breaker is a compact protective device designed to interrupt electrical current in case of overloads or short circuits. With dimensions of 78 mm width, 101 mm depth and 89 mm height, the unit is intended for installation in distribution boards where space efficiency and reliable protection are required. The device is compatible with standard electrical systems and provides a mechanical and thermal-electrical response to abnormal current conditions.

Advantages

This circuit breaker offers a balance of compact size and dependable protection, allowing installation in confined distribution enclosures while maintaining easy access for wiring and maintenance. Its construction provides stable tripping performance to reduce risk of equipment damage and to help maintain continuity of service. The dimensions make it suitable for retrofits and new installations where panel space is limited.

Suitable for

Key specifications

How to use

Install the circuit breaker in the distribution board according to local electrical codes and the panel manufacturer's instructions. Ensure supply and load conductors are de-energized before connecting. Secure the device in the mounting position, tighten terminal connections to the recommended torque values, and verify correct polarity and phase alignment. After installation, perform functional checks by switching the breaker on and off and testing the protected circuit under no-load conditions. Commissioning and any adjustments should be performed by a qualified electrician.

Recommendations

Use the circuit breaker within the specified environmental and electrical limits of the installation; protect the device from moisture, excessive dust and mechanical impacts. Confirm compatibility with the panel layout and adjacent devices, and follow local regulations for protective device coordination and selective tripping where required.