The Square D® Powersub™ circuit breaker offers superior reliability combined with numerous operational benefits. These versatile circuit breakers are available with 600 to 4000 ampere continuous current ratings and voltage ratings from 15.5KV to 38kV. These breakers offer state-of-the-art vacuum technology and quality design features.
- Arc-resistant construction
- High-speed operation
- Contact wear indicators
- Proven vacuum circuit technology
- Meets or exceeds applicable ANSI standards
- Isolated low voltage compartment