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#Gas Relay Sealed Transformer#Gas Relay QJ40#QJ40 BUCHHOLZ RELAY
OJ-40 gas relays
OJ-40 series gas relays are mainly used to protect oil-immersed hermetic transformers. During the operation of the transformer, the gas generated due to internal faults is concentrated in the air chamber of the relay and the oil tank of the transformer. When the gas release reaches a certain volume, the product will output an alarm signal or cut off the signal, so as to achieve the purpose of protecting the transformer .
1 year ago
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