Professional Thermal Trip Unit Manufacturer | HAIPART
As China's leading thermal trip unit manufacturer, HAIPART delivers critical circuit protection components for modern electrical systems. Our thermal trip assemblies prevent overheating failures in increasingly integrated and intelligent equipment, setting the benchmark for breaker reliability. Combining precision bimetal technology with rigorous industrial validation, we provide engineered solutions for:
Industrial control panels
Smart grid infrastructure
HVAC power management systems
Renewable energy installations
Why Engineers Choose HAIPART Thermal Trip Units？
Precision Bimetal Technology
Our mechanical trip units utilize nickel-chromium/copper composite bimetal strips with:
±3% temperature accuracy (GB 14048.2 compliant).
Thermal compensation springs for stable operation (-25°C to 70°C).
Heat-calibrated lever mechanisms.
Laboratory-Validated Performance
✅ 60s response at 1.5x overload.
✅ ±5% repeat accuracy.
✅ 20,000+ mechanical operations lifespan.
✅ IP40 environmental protection.
DPN MCB Thermal Trip Unit - Model 3054336
Response Time 60s @ 1.5x load
Temp Accuracy ±3%
Operating Range -25°C to 70°C
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Thermal Trip Unit Engineering FAQs
How does HAIPART achieve ±3% temperature accuracy?
Our proprietary bimetal composite and temperature-compensation springs maintain calibration across environmental variances - validated in 1,200+ hours of thermal chamber testing.
What certifications do your units carry?
All units comply with GB 14048.2, IEC 60898, and UL 489 standards.
Partner with China's Leading Trip Unit Manufacturer
Technical Consultation & Quotes
Direct Engineering Support: +86-13819777367
✉️ OEM Solutions: Sales@haipart.com
Manufacturing Base: Wenzhou, Zhejiang (ISO 9001 Certified Facility)
