Legrand 402071 4P 40A 300mA 400V RCCB circuit breaker

Legrand RCCB Circuit Breaker 402071 4P 40A 300mA 400V

The Legrand RCCB 402071 4P 40A 300mA 400V is a Residual Current Circuit Breaker designed to detect and disconnect the circuit when a leakage current exceeding 300mA is detected. With a rated current of 40A and a 4-pole configuration, this device is suitable for three-phase electrical systems operating at up to 400V, providing reliable protection for both personnel and equipment.

Key Features

• 40A Rated Current: Designed to handle current up to 40A, suitable for high-power applications such as industrial electrical systems and high-energy-consuming devices.

• 300mA Sensitivity: Detects leakage current of 300mA to protect the system and assets from potential fire hazards caused by insulation faults.

• 4-Pole (4P) Design: Offers full protection for three-phase systems, commonly used in large-scale installations and industrial environments.

• Leakage Detection: Quickly disconnects power in the event of a leakage current, ensuring user safety and preventing electric shock.

• Easy Installation: DIN rail mounting allows for convenient installation and integration into electrical panels.

Technical Specifications

• Product Code: 402071

• Type: RCCB (Residual Current Circuit Breaker) – 4 Pole

• Rated Voltage (Un): 400 V

• Rated Current (In): 40 A

• Rated Residual Operating Current (IΔn): 0.3 A (300 mA)

• Rated Insulation Voltage (Ui): 500 V

• Rated Impulse Withstand Voltage (Uimp): 4 kV

• Number of Poles: 4

• Mounting Method: DIN rail

• Type of Residual Current: AC

• Short-Time Withstand Current (Icw): 10 kA

• Peak Current Resistance: 0.25 kA

• Voltage Type: AC

• Frequency: 50 Hz

• Voltage Range: 340–440 V

• Protection Degree (IP): IP20

• Width (in module units): 4

• Built-in Depth: 44 mm

• Operating Temperature: -25°C to 60°C

• Pollution Degree: 2

• Color Code (RAL): 7035

• Dimensions (H x W x D): 88.9 x 71.2 x 77.8 mm

• Impact Resistance (IK): IK04

• Storage Temperature: -40°C to 70°C

• Color: Grey

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