High-Performance Circuit Breaker Operating Coils for Reliable Switching Operations

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.