Legrand 411661 DX3 RCCB 4P 40A 30mA Type AC 230/400V

The Legrand 411661 DX³ is a 4P residual current circuit breaker (RCCB) rated 40A at 230/400V with 30mA sensitivity, Type AC. It protects against earth faults and electric shock by disconnecting the supply when a leakage current exceeding 30mA is detected.

Technical specifications:

• Part number: 411661
• Manufacturer: Legrand
• Series: DX³
• Type: Residual current circuit breaker (RCCB)
• Poles: 4P
• Rated current: 40A
• Sensitivity: 30mA
• RCD type: AC (Type AC detects sinusoidal AC residual currents from standard resistive and inductive loads.)
• Rated voltage: 230/400V
• Mounting: DIN rail
• Standards: IEC/EN 61008-1

Features and benefits:

• Modular design compatible with DX³ series MCBs for coordinated panel assembly
• Clear trip indicator confirms fault disconnection
• Compatible with Legrand DX³ accessories: auxiliary contacts, remote reset, and busbar connectors

Applications:

• Main earth fault protection in consumer units and distribution boards
• Electric shock and fire protection in residential, commercial, and light industrial panels

Compliant with IEC/EN 61008-1.

Also known as: Legrand 411661, DX³ RCCB 4P 40A 30mA Type AC, Legrand DX3 residual current device 40A, RCCB 40A 4P 30mA.