Residual current relay with automatic circuit breaker Legrand 402074 (A, 25A, 4P, 30mA, 400V)

Description

The Legrand 402074 is an RCBO (Residual Current Circuit Breaker with Overcurrent Protection), designed to protect electrical installations against residual current faults and overcurrents. This combined protective device, with a rated current of 25A, reliably disconnects the circuit in the event of an overload or short circuit, effectively safeguarding connected equipment. The device is suitable for use in low-voltage electrical networks, ensuring a high level of safety.

Specification

• Rated Current: 25A (provides overload protection)
• Number of Poles: 4
• Rated Voltage: 400V
• Residual Current Sensitivity: 30 mA (protection against dangerous residual currents)
• Breaking Capacity: 10kA (withstands high short-circuit currents)
• Residual Current Device Type: A (designed for AC and pulsating DC currents)

Manufacturer

🔗 Manufacturer's link

Frequently Asked Questions (FAQ)

What is the purpose of the Legrand 402074 Residual Current Circuit Breaker with Overcurrent Protection?

This device combines protection against residual current faults and overcurrents (overload and short circuit), ensuring comprehensive safety for electrical installations and connected devices.

What does the 30 mA sensitivity rating mean?

The 30 mA sensitivity means that the device will disconnect the power supply when it detects a residual current of at least 30 milliamperes. Such sensitivity is critically important to protect people from electric shock.

Is the Legrand 402074 compatible with standard systems?

Yes, this model is compatible with common distribution boards and is mounted according to standard DIN rail systems, facilitating its integration into existing electrical installations.