Schneider Electric A9Z51440 Residual Current Device 4P 40A Type B-EV for EV Charging Stations

The Schneider Electric A9Z51440 is a high-performance residual current device (RCD) specifically designed for electric vehicle (EV) charging stations. With 4 poles, a rated current of 40 A, and Type B-EV sensitivity, it ensures reliable protection against earth faults and DC residual currents, meeting the stringent requirements of modern EV charging infrastructure.

Advantages

This RCD offers comprehensive protection for EV charging applications, featuring Type B-EV detection for smooth DC residual currents. Its compact 8-module width saves space on DIN rails, while robust construction ensures long electrical and mechanical durability. Compliant with IEC 61008-1 and IEC 62955 standards, it guarantees safety and reliability.

Suitable for

• Electric vehicle charging stations (AC)
• Commercial and residential EV charging infrastructure
• Industrial applications requiring Type B RCD protection

Key specifications

• Product Type: Residual Current Device (RCD)
• Number of Poles: 4P
• Rated Current (In): 40 A
• Rated Residual Current (IΔn): 30 mA
• RCD Type: Type B-EV
• Network Type: AC
• Rated Operational Voltage (Ue): 230/400 V AC 50/60 Hz
• Rated Insulation Voltage (Ui): 500 V
• Rated Impulse Withstand Voltage (Uimp): 6 kV
• Mounting Mode: DIN Rail
• Width in 9mm Pitches: 8
• Degree of Protection (IP): IP20 (device), IP40 (in modular enclosure)
• Pollution Degree: 3
• Operating Temperature: -25 to 60 °C
• Standards: IEC 61008-1, IEC 62955
• Conditional Rated Short-Circuit Current (Inc): 10 kA
• Electrical Durability: 10000 cycles
• Mechanical Durability: 20000 cycles
• Wire Capacity: 1 to 35 mm² (rigid), 1 to 25 mm² (flexible)

Recommendations

For optimal performance, install this RCD in a suitable enclosure with proper ventilation. Ensure compliance with local electrical regulations and consult a qualified electrician for installation.