handheld relay tester
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Handheld Relay Protection Tester
The RDJB-802H Handheld Relay Protection Tester is designed for power grid companies, power plants, power construction firms, protection device manufacturers, petrochemical enterprises, and rail transit traction power supply systems. It is also suitable for other users working with electrical secondary equipment in operation, maintenance, and debugging. The device has a built-in large-capacity lithium battery. It is lightweight, compact, and easy to operate. It is especially useful for outdoor maintenance tests of power system distribution network automation devices. It can also perform action logic tests of protection devices.
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