SCHELINGER Residual Current Device AC 4P 40A 30mA

The SCHELINGER A03-V7-4-40-030 is a high-quality residual current device (RCD) designed for reliable protection against indirect contact and fire hazards. This 4-pole, Type AC RCD is rated at 40A and 30mA, making it suitable for a wide range of residential and commercial electrical installations. It complies with IEC/EN 61008-1 standards and is built for durability and safety.

Advantages

This RCD offers robust protection with a rated short-circuit breaking capacity of 6 kA and impulse withstand voltage of 4 kV. Its compact 4-module (72 mm) design fits standard DIN rail enclosures, saving space in distribution boards. The trip indicator window provides clear visual status, and screw terminals accommodate conductors up to 25 mm² for easy installation.

Suitable for

• Residential electrical panels
• Commercial building distribution boards
• Industrial control cabinets
• Protection of circuits against earth faults and fire risks

Key specifications

• RCD Type: Type AC
• Number of Poles: 4-Pole
• Rated Current (In): 40 A
• Rated Residual Operating Current (IΔn): 30 mA
• Rated Voltage (Ue): 230/400 V AC
• Rated Frequency: 50/60 Hz
• Mounting Type: DIN Rail
• Rated Short-Circuit Breaking Capacity (Inc): 6 kA
• Rated Impulse Withstand Voltage (Uimp): 4 kV
• Degree of Protection: IP20
• Operating Temperature Range: -25°C to +40°C
• Standards: IEC/EN 61008-1
• Terminal Capacity: 1-25 mm² (solid/stranded)
• Electrical Endurance: 10,000 cycles
• Mechanical Endurance: 20,000 cycles
• Tripping Characteristic: Instantaneous
• Indication: Trip indicator window
• Module Width: 4 Modules (72 mm)
• Connection Type: Screw terminals
• Function: Protection against indirect contact and fire hazards

Recommendations

For optimal safety, ensure the RCD is installed by a qualified electrician and tested regularly. This device is designed for fixed installation in dry indoor environments (IP20). Always verify compatibility with your electrical system's voltage and current requirements.