Handles Heavy Electrical Loads
Our High Current Breaker is your most reliable choice when standard breakers cannot handle high current demands. This product is designed for high-load power systems with excellent current-carrying capacity and short-circuit breaking performance. It uses a reinforced contact system and an efficient heat dissipation structure. Temperature rise is well controlled even under high current conditions, ensuring long-term stable operation. With over 50 years of experience in vacuum device manufacturing, our product fully addresses key challenges like thermal stress, dynamic stress, and arc burning in high-current applications.

Precision Manufacturing for Tough Jobs
This High Current Breaker carries not only heavy current but also our commitment to quality. Our factory has over 20,000 square meters of production space and 98 experienced employees. Our core management and technical staff each have over 20 years of industry experience. We follow a strict military-standard quality management system from material sourcing to final testing. Every product is 100% inspected before shipment. Our products are widely used in power, metallurgy, and coal mining industries, and we have earned high recognition from many customers.
Trusted in Heavy Industry
You can rely on this High Current Breaker for your most demanding applications. Our team has the knowledge to help you select the right breaker for your system. We understand the importance of reliable protection in heavy industry. This High Current Breaker is built to perform under extreme conditions. We test it thoroughly to ensure it meets your expectations. When you choose us, you get a partner dedicated to keeping your power systems safe and productive.
Specifications
|
Parameter |
Specification |
|
Rated Current |
160A - 1600A |
|
Number of Poles |
2P, 3P, 4P |
|
Breaking Capacity |
35kA - 85kA |
|
Rated Voltage |
AC 400V / 690V |
|
Tripping Method |
Thermal-Magnetic, Electronic |
|
Mounting Method |
Fixed, Draw-out |
|
Mechanical Life |
≥8,000 operations |
|
Electrical Life |
≥4,000 operations |
|
Applicable Standards |
GB/T 14048.2, IEC 60947-2 |
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