You are here: Home / Products / Parts / Coils

Parts

Professional Low Voltage Parts Manufacturer

Parts

Coils

Precision Power Core for Circuit Protection| HAIPART

As China's premier coil manufacturer, HAIPART engineers the critical "power core" in circuit breakers' trip-close operations. Our solenoid coils deliver:

Instantaneous response to overload/short-circuit signals
Stable holding operation during normal conditions
99.6% action consistency across temperature extremes
Custom solutions for all breaker types

"Precise Drive, Stable Operation - Reliability where milliseconds matter"

Why Choose HAIPART Coils?

✅ Miniature Circuit Breaker (MCB) Coils

Lightweight design for residential/commercial use
0.1mm-0.5mm fine enameled wire construction
≤20ms trip response at 1.2x rated voltage
99.6% operational consistency (-25℃ to 70℃)

✅ Molded Case Circuit Breaker (MCCB) Coils

Industrial-grade robustness (315A-630A range)
Multi-strand winding for vibration resistance
Withstands 10x instantaneous current surges
12% reduced holding power consumption

Industry Applications

Residential & Commercial

Building protection systems

Industrial Manufacturing

Factory equipment protection

New Energy Systems

Solar/Wind power applications

Specialized Equipment

Mission-critical installations

Precision Engineered Coil Solutions

MCB Trip Coil (16A)

Response: ≤20ms @ 1.2x voltage
Wire: 0.2mm enameled copper
Temp Range: -25℃ to 70℃
Reliability: 99.6%

Get Quote

MCCB Industrial Coil (400A)

Vibration: 10-500Hz compliant
Surge: 10x rated current
Power: 12% reduced consumption
Construction: Multi-strand winding

Get Quote

Engineering Support

Our team provides:

Custom coil design services
Prototype development
Compliance testing (IEC/UL/GB)
Volume manufacturing

Contact HAIPART

+86-13819777367

✉️ Sales@haipart.com

Parts

HAIPART specializes in R&D and production of high-quality core electrical components—including arc chambers, terminals, stamped components, coils, conductors and magnetic cores,these flexibly integrable components are widely used in circuit breakers, contactors, relays and switchgear, delivering reliable solutions for power distribution, industrial control and automation.