Relay protection equipment refers to the low-voltage electrical equipment needed to monitor, control, regulate, and protect the operation of primary equipment and provide operational conditions or production command signals for operation and maintenance personnel. Such as fuses, control switches, relays, control cables, meters, signal equipment, automatic devices, etc.
Relay protection equipment mainly includes:
(1) Instrument
(2) Control and signal components
(3) Relay protection device
(4) Operation, signal power circuit
(5) Control cable and connecting wire
(6) Acoustic signal components
(7) Terminal block and fuses, etc.
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