Products

Dongfa Intelligent supplies global C-GIS (Cubicle Gas-Insulated Switchgear) builders with factory-direct 24kV 630A SF6 Gas-Insulated Vacuum Circuit Breakers. The product (Model DF VCB-24) serves as the core protection component in gas-insulated panels, featuring 25kA/31.5kA short-circuit breaking capacity and meeting stringent C2 class capacitor bank breaking requirements. It utilizes a compact 230mm phase spacing design and a modular spring operating mechanism (M2/E2 class), with AC/DC compatible operating voltages. Buyers seeking precise short-circuit fault clearance in sealed, compact gas chamber environments can request a quote for technical selection support.

Dongfa Intelligent supplies global C-GIS (Cubicle Gas-Insulated Switchgear) builders with factory-direct 24kV 630A SF6 Gas-Insulated Load Break Switches. The product (Model DF LBS-24) provides not only an isolation gap but also the ability to break 630A normal load current, loop current, and 10A cable charging current. Utilizing SF6 gas insulation with a compact 230mm phase spacing, it features M2 mechanical and E2 electrical endurance. An exclusive lower-door interlock mechanism is integrated for O&M safety. Buyers seeking load control and safe isolation in compact gas-insulated panels can request a quote for technical selection support.

Dongfa Intelligent supplies global C-GIS (Cubicle Gas-Insulated Switchgear) builders with factory-direct 24kV 630A SF6 Gas-Insulated Disconnectors. Modeled as DF DS-24, it is specifically designed for compact gas-insulated panels. Utilizing SF6 gas insulation, it achieves a compact phase spacing of just 230mm while providing high lightning impulse withstand levels of 125kV/145kV. It features 20kA/1s thermal stability and symmetrically designed operation holes. Buyers seeking to build highly reliable gas-insulated distribution nodes in confined spaces can request a quote for technical selection support.

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.