The unit is used to protect the power supply circuits of security detectors, as well as other circuits of the alarm system from short-term overvoltage caused by inductions in long lines at lightning discharge.BGr-30V DC provides protection of two signal circuits or power supply circuits. The unit is designed for use in DC circuits (5 A) with voltage up to 30 V. It is made in a housing for mounting on DIN-rail.
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