The disconnector operational interlocking power supply cabinet is a low-voltage complete device of cabinet design intended for power supply of disconnector operational interlocking circuits and operational interlocking automatics.
The SHPOBR has the following functions:
- input and distribution of electrical energy from AC and DC sources with galvanic isolation between the power source and the consumer;
- insulation resistance monitoring;
- visual indication of the equipment status;
- surge protection (optional);
- protection of outgoing lines against overcurrents and overloads;
- control of power supply voltage of operational interlock circuits
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