Products

Dongfa Intelligent, a high voltage electrical manufacturer in China, supplies the DC 220V Closing and Tripping Coil for high voltage vacuum circuit breaker operating mechanisms. Short-time duty: DC220V, 131.5Ω ±5%, about 1.67A, about 368W instantaneous, never energize long-term. Double-ended shaft reduces push rod tilting and jamming. 8 mounting holes, plug-in terminals.

Dongfa Intelligent, a China supplier of DC 220V Closing and Tripping Coil Lead Wire Type, manufactures short-time duty electromagnetic actuators for high voltage vacuum circuit breaker operating mechanisms. This coil features lead wire connection, yellow flame-retardant bobbin, external reset spring and brass push rod fitted with locking adjustment nut. With 6 symmetrical top mounting holes and resistance rated at 131.5Ω ±5% at 20°C, the product fits new switchgear fabrication and field coil replacement for power plant and substation projects, delivering flexible wiring and simplified maintenance.

Dongfa Intelligent supplier provides DC 220V Closing and Tripping Coil Plug-in Type for Vacuum Circuit Breaker, a universal operating coil built for VS1 medium voltage vacuum circuit breaker mechanisms. Designed for short-time duty operation, this component delivers instantaneous electromagnetic force to complete breaker closing and opening actions. It comes with plug-in terminals, brass push rod and top 5-hole mounting structure, with coil resistance controlled at 131.5Ω±5% under 20°C. It serves power system and switchgear assembly projects, supporting direct replacement for compatible VS1 mechanisms with stable resistance and fast wiring convenience.

The 5A Lead Wire Overcurrent Solenoid for Circuit Breaker is supplied by Dongfa Intelligent as a China manufacturer solution for circuit breaker and switchgear overcurrent tripping mechanisms. It features a 5A rated driving current, 1.8Ω ±5% coil resistance at 20°C, brass push rod, external reset spring, two black lead wires, and six threaded mounting holes for flexible installation. The short-time duty design is suitable for overcurrent protection assemblies where low resistance and controlled mechanical actuation are required.

Dongfa Intelligent, a manufacturer of circuit breaker tripping components, supplies the 5A Plug-in Terminal Overcurrent Solenoid for circuit breaker overcurrent tripping and switchgear protection. It features plug-in terminals, an external reset spring, a brass push rod, a flame-retardant bobbin, and a 3-hole galvanized bracket. Rated 5A, coil resistance 2.5Ω±5% at 20°C. Each unit is tested before shipment.

Dongfa Intelligent, a China manufacturer of 5A Overcurrent Solenoid, develops current-driven electromagnetic actuators for circuit breaker overcurrent tripping mechanisms and switchgear protection assemblies. This model uses a 5A rated driving current and 2.3Ω coil resistance at 20°C, with an adjustable end for operating current calibration and a spring self-reset structure for the connected trip mechanism.