High-performance Square Middle Voltage Vacuum Interrupter Ceramic Tube Fuse for Circuit Breakers

Precision-engineered alumina ceramic housing ensures superior thermal shock resistance and dielectric strength. Industrial-grade copper alloy contacts enable ultra-low contact resistance for stable current interruption.

Optimized vacuum arc extinguishing chamber design guarantees reliable breaking capacity up to 12kV. Multi-layer silver-tungsten contact tips provide exceptional erosion resistance for extended service life.

Ideal for medium-voltage switchgear, power distribution systems, and industrial circuit protection applications. Seamless compatibility with most standard breaker models for quick retrofitting.

Factory-direct pricing with bulk order discounts available. CE and ISO certified for guaranteed quality and safety compliance. Worldwide shipping with consolidated logistics support.