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RCD DX³-ID 4P 400V | 40A Rated Current | 300mA Sensitivity | Type A | @EA of 1 | by Legrand
The RCD DX³-ID 4P 400V is a reliable residual current device designed for residential and small commercial electrical panels. With a rated current of 40A and a sensitivity of 300mA, it ensures optimal protection against electrical faults. This Type A RCD is built for enhanced immunity to unwanted tripping, making it ideal for various applications while conforming to IEC standards.
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Product Name/Title: RCD DX³-ID 4P 400V | 40A Rated Current | 300mA Sensitivity | Type A | @EA of 1 | by Legrand
Brand: Legrand
SKU: 411780
Alternatively Known As: Residual Current Device, RCCB, RCD Circuit Breaker, DX3 Residual Current Breaker, Type A RCD 40A 300mA
Technical Specifications
- Number of poles: 4
- Rated voltage: 400 V~
- Rated current: 40 A
- Rated fault current sensitivity: 300 mA
- Rated insulation voltage Ui: 500 V
- Rated impulse withstand voltage Uimp: 4 kV
- Mounting method: DIN rail
- Leakage current type: A
- Short-circuit breaking capacity (Icw): 10 kA
- Surge current capacity: 0.25 kA
- Voltage type: AC
- With interlocking device: Yes
- Frequency: 50 Hz
- Degree of protection (IP): IP20
- Width in modular spacings: 4
- Built-in depth: 44 mm
- Ambient temperature during operating: -25 to 60 °C
- Pollution degree: 2
- Connectable conductor cross section multi-wired: 0.75-35 mm²
- Connectable conductor cross section solid-core: 0.75-50 mm²
- Colour: Grey (RAL 7035)
- Degree of impact strength (IK): IK04
- Storage temperature: -40 to 70 °C
- Nominal voltage: 220-440 V
- Electric supplying direction: By the top or bottom
- Terminal marking indication: Yes
- Stress test conformity (1000V): Yes
- Halogen free: Yes
- Connection type: Screwed terminal, Busbar and cable
- Label space/information surface: Yes
- Dimensions (H x L x W): 83mm x 78mm x 71mm
- Weight: 0.3 kg
Key Features
- 4-pole residual current circuit breaker with neutral on right-hand side
- Rated current: 40 A
- Sensitivity: 300 mA
- Type A leakage current detection (sinusoidal AC and pulsating DC)
- Conforms to IEC 61008-1 and IEC 62423 standards
- Compatible with prong-type and fork-type supply busbars
- Enhanced immunity to unwanted tripping in disturbed environments
- Detection of high frequency fault currents
- Can be equipped with signalling, remote tripping auxiliaries, and motorised controls
- Short-circuit breaking capacity: 10 kA
- Surge current capacity: 0.25 kA
- Degree of protection: IP20
- Mounting method: DIN rail
- Halogen free
- Connection type: Screwed terminal, busbar and cable
- Operating ambient temperature: -25 to 60 °C
- Storage temperature: -40 to 70 °C
- Pollution degree: 2
- Degree of impact strength: IK04
Professional Installation Requirements
- Installation must be performed by a qualified electrician to ensure compliance with electrical safety standards and proper integration into the electrical distribution system.
Applications
- Residential electrical panels
- Small commercial electrical panels
- Residual current protection in distribution boards
Standards & Compliance
- AS/NZS 3000 – Wiring Rules (Electrical Installation)
Environmental Benefits
- Helps prevent electrical fires and hazards by detecting leakage currents
- Supports electrical safety compliance reducing risk of accidents
- Halogen-free materials reduce environmental impact in case of disposal
Warranty Information
Legrand offers a standard manufacturer warranty covering defects in materials and workmanship. Please refer to Legrand's official warranty policy for detailed terms.
Available Now
The Legrand RCD DX³-ID 4P 400V 40A 300mA Type A Residual Current Circuit Breaker is available for immediate purchase, ideal for residential and small commercial electrical panel protection.
