ETI aardlekrelais 4P 25A 30mA type A EFI-P4 A

The ETI Residual Current Relay EFI-P4 A is a high-performance residual current device designed for reliable protection against earth faults in electrical installations. With 4 poles, a rated current of 25 A, and a rated residual operating current of 30 mA, it ensures safety and compliance with IEC/EN 61008-1 standards. Suitable for DIN rail mounting, this relay features a Type A residual current sensitivity, making it ideal for circuits with pulsating DC components.

Advantages

This relay offers robust protection with a rated short-circuit capacity of 10 kA and impulse withstand voltage of 4 kV. Its compact 4-module width (72 mm) saves space in distribution boards. The integrated test button and trip indicator simplify periodic testing and fault diagnosis.

Suitable for

• Residential and commercial electrical panels
• Circuits requiring Type A residual current protection
• DIN rail mounted installations

Key specifications

• Number of Poles: 4P
• Rated Current (In): 25 A
• Rated Residual Operating Current (IΔn): 30 mA
• Residual Current Type: Type A
• Rated Voltage: 230/400 V AC
• Rated Frequency: 50/60 Hz
• Rated Short-Circuit Capacity: 10 kA
• Rated Impulse Withstand Voltage: 4 kV
• Mounting Type: DIN Rail (EN 60715)
• Terminal Capacity (Rigid): 1-25 mm²
• Terminal Capacity (Flexible): 1-16 mm²
• Operating Temperature Range: -25°C to +40°C
• Protection Degree: IP20 (terminals), IP40 (front panel)
• Standards Compliance: IEC/EN 61008-1
• Electrical Endurance: 10,000 cycles
• Mechanical Endurance: 20,000 cycles
• Tripping Characteristic: Instantaneous
• Connection Type: Screw Terminals
• Indicator: ON/OFF Position, Trip Indicator (Red Flag)
• Test Button: Yes
• Module Width: 4 Modules (72 mm)

Recommendations

For optimal performance, test the relay monthly using the test button. Ensure proper tightening of screw terminals to avoid overheating. This device is not a substitute for a residual current circuit breaker (RCCB) in all applications; consult local regulations.