Gas Relay

Gas Relay

gas relay 09/07/2026 9

QJ12-80 Dual-Float Buchholz Relay Gas-Actuated Relay for Oil-Immersed Transformer Protection Model: QJ12-80   |   DN80   |   Complies with IEC 60076-1 1. Product Introduction The QJ12-80 Buchholz Relay (also known as a gas-actuated relay) is a critical protective device installed in the connecting pipe between the transformer tank and the conservator (oil storage tank). It continuou??


Gas Relay

Gas Relay

gas relay 09/07/2026 9

QJ12-25 Dual-Float Buchholz Relay Gas-Actuated Relay with Dual Float Switches for Transformer Protection Model: QJ12-25   |   Connection: DN25   |   Standard: IEC 60076-1 1. Product Introduction The QJ12-25 is a dual-float Buchholz relay (gas-actuated relay) installed in the piping between the transformer tank and the conservator. It provides internal-fault protection by detecting t??


Gas Relay

Gas Relay

gas relay 09/04/2026 11

QJ4-80 Buchholz Relay Gas-Actuated Relay for Transformer Protection Model: QJ4-80   |   IEC 60076-1 / GB/T 6451 1. Product Introduction The Buchholz relay is a gas- and oil-actuated protective relay installed in the piping between the transformer tank and the conservator (oil reservoir). As the primary internal fault protection device for oil-immersed transformers, it detects the generation of fault ga??