In which applications are the undervoltage trip releases with early make contacts used?
This type of undervoltage trip release has the purpose of [...]
Which is the motor protection circuit breaker behaviour in case of phase loss?
Phase failure is a fault condition that can cause damage [...]
In the technical data of the motor protection circuit breakers, what does “utilization category: A” mean?
The category of use of a circuit breaker is defined [...]
Is it possible to use the motor protection circuit breakers to protect single-phase motors?
Yes, but a simple trick in the wiring must be [...]
