Developed for 600V class power circuit breakers, the AC-PRO solid-state trip unit is a true rms sensing overcurrent device. It comes standard with long-time, short-time, instantaneous, ground fault, and phase unbalance protections, any of which can be enabled to disabled with the exception of the long-time setting.
The AC-PRO trip unit has a programmable current transformer rating. By combining all these features in a single unit, the AC-PRO solid state power circuit breaker trip unit can work with a huge variety of circuit breakers; and simplifies the use, standardization, maintenance, training and spares supply for any electrical installation.
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