Built for Extreme Heavy-Duty Applications
Our Heavy Industrial Breaker is a heavy-duty protection device built for extreme working conditions and high-power loads. It represents the highest standards in structural design, material selection, and performance. This product uses high-strength alloy materials for its housing. Its operating mechanism is reinforced to withstand the mechanical shock of frequent operation. The contact system uses special silver alloy and anti-welding technology. It can quickly open and effectively extinguish arcs under very large short-circuit currents, preventing contact damage. This product is suitable for main power distribution and large equipment protection in steel, mining, ports, and petrochemicals. It operates accurately and reliably even under extreme conditions.

Optimized Cooling for Continuous Operation
We made special optimizations in heat dissipation and temperature rise control for this Heavy Industrial Breaker. The enlarged cross-section of the current-carrying paths and optimized cooling channels effectively reduce temperature rise under high current conditions. This ensures long-term stability and safety. The breaker is equipped with a highly reliable trip mechanism. Protection parameters can be precisely set according to load characteristics. This achieves the best coordination between overload and short-circuit protection. Every product undergoes strict full-load temperature rise tests and short-circuit breaking tests before shipping. We verify its performance under extreme conditions to ensure every unit can handle the toughest applications.
Engineering Excellence for Critical Industries
You can rely on this Heavy Industrial Breaker for your most demanding industrial applications. Our engineers have deep experience in heavy industry protection. We understand the unique challenges of steel mills and mines. This breaker is built to handle them. We are committed to providing you with a product that delivers reliable protection day after day. When you choose our product, you are choosing a partner dedicated to keeping your critical operations running safely and efficiently.
Specifications
|
Parameter |
Specification |
|
Rated Current |
100A - 3200A |
|
Number of Poles |
3P, 4P |
|
Breaking Capacity |
50kA - 100kA |
|
Rated Voltage |
AC 400V / 690V / 1140V |
|
Tripping Method |
Electronic (Intelligent) |
|
Mechanical Life |
≥10,000 operations |
|
Electrical Life |
≥5,000 operations |
|
Operating Ambient Temperature |
-25℃ to +60℃ |
|
Protection Degree |
IP30 - IP54 |
|
Applicable Standards |
GB/T 14048.2, IEC 60947-2 |
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