Products

Dongfa Intelligent manufactures AC 220V 56 Ohm Closing and Tripping Coil for high voltage vacuum circuit breaker operating mechanisms. The coil is designed for AC control power systems and features a silicon steel laminated core, plug-in terminals, external reset spring, brass push rod with locking nut and 5-point mounting hole design. With 56Ω±5% coil resistance at 20°C, it is suitable for AC220V operating mechanisms requiring matched electromagnetic performance and stable closing/opening operation.

Dongfa Intelligent is a China manufacturer of DC 48V Closing and Tripping Coil for vacuum circuit breaker operating mechanisms. Designed for DC48V low voltage control systems, this coil features 4Ω resistance, approximately 12A high current output, short-time power of about 576W, lead wire connection, brass push rod with locking nut, and external reset spring. It provides reliable switching force for applications requiring high current performance and supports OEM/ODM customization according to operating voltage, mounting dimensions, and technical requirements.

Dongfa Intelligent supplies global high voltage vacuum circuit breaker buyers with factory-direct DC 110V 33 Ohm Closing and Tripping Coil. Operating at DC110V, coil resistance 33Ω±5%, steady-state current approximately 3.33A, instantaneous power approximately 367W, equivalent to DC220V 131.5Ω coil power. Features lead wire connection, double-ended shaft brass push rod with locking nut, external reset spring, and galvanized housing, with 6 threaded mounting holes on the top face in two symmetrical rows. Buyers seeking coils adapted to DC110V control power with stable switching force for high voltage vacuum circuit breakers can request a quote for selection support.

Dongfa Intelligent DC 220V 47 Ohm Closing and Tripping Coil is designed for high voltage vacuum circuit breaker operating mechanisms requiring higher initial electromagnetic force. Operating at DC220V with 47Ω resistance, approximately 4.68A current and approximately 1030W short-time power output, the coil provides strong thrust for long stroke switching actions. It features a long stroke brass push rod with locking adjustment nut, external reset spring and lead wire connection for flexible mechanism matching and reliable operation.

Designed for high voltage vacuum circuit breaker operating mechanisms,DC 220V 98 Ohm Closing and Tripping Coil adopts a low-resistance structure to improve electromagnetic output during short-time operation. The coil integrates a plug-in connection design, external reset spring, adjustable brass push rod, and flexible mounting structure, helping switchgear manufacturers and maintenance teams achieve easier installation, adjustment, and replacement.

Dongfa Intelligent supplies DC 220V 130 Ohm Closing and Tripping Coil for high voltage vacuum circuit breaker operating mechanisms. The coil features DC220V operation, 130Ω resistance at 20°C, lead wire connection, double-ended shaft, external reset spring, brass push rod, and galvanized metal housing. It is suitable for VS1 and other compatible vacuum circuit breaker mechanisms.