Residual current device EFI-4 80/0.03A, AC 002062145

EFI residual current circuit breakers are produced in the following versions: two-pole - EFI-2 and four-pole EFI-4 as instantaneous trip type AC, A, B short-time trip type. G/KV, accidental surge proof (discharge) 3 kA (8/20 μs) trip type UT, selective - EFI-4S type of AC release.

Róresidual current devices, anti-shock, are used to implement additional anti-shock protection - preventing the maintenance of voltages dangerous for humans on the metal enclosures of protection class I devices. In addition, they complement the basic protection by excluding the currents flowing through the human body with direct contact – only circuit breakers with a residual current not greater than 30mA. Circuit breakers with 300mA differential current are used as fire protection devices.

Advantages:

• possibility of railing terminals from the bottom and top
• power connection any (from below or above)
• wide range of rated currents
•  easy assembly of auxiliary contact
• solid mechanical construction