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Product information "Instantaneous residual current circuit-breaker, EFI-4, type A eV, 4-pole, 40A, 10kA (0.03A) for e-mobility"

A residual current circuit breaker (RCD) specially designed for electric vehicles RCD type A EV The RCD type A EV, on the other hand, was specially developed for charging electric cars and plug-in hybrid vehicles and has an even lower tripping threshold compared to a type B RCD. While a type B RCD interrupts the circuit at a residual current of = 30 mA, a type A EV RCD triggers at = 6 mA. The special design of the RCD type A EV also prevents any upstream RCD type A from "going blind" (i.e. losing its protective function due to smooth DC residual currents). This is why a type A-EV RCD is the preferred choice when charging stations need to be reliably protected. This was specially developed for charging electric cars.
Item number: 61728
Manufacturer number: 002062633
Frequency: 50 Hz
Neutral conductor links: No
Number of poles: 4
Number of wiring points: 8
Protection class: IP 20
Rated current: 40A
Rated residual current: 30mA
Rated residual current DC: 6mA
Rated voltage: 400V
Residual current type: EV
Selective: No
Short-circuit resistance: 10kA
Short-term delayed: No
Triggering behaviour: Undelayed
Undelayed: Yes
Width in pitch units: 4 Module

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Tobias Schneider

Head of Product Development and Consultancy, Management Board

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