Square D Y1B130 Circuit Breaker, 30A, 1-Pole, 277V

Designed for industrial environments, the Square D Y1B130 circuit breaker delivers reliable protection for single-phase 277V circuits. This 30A, 1-pole unit is built to integrate into industrial service, maintenance, and replacement projects, providing a dedicated disconnect and overcurrent protection in a compact form that helps keep equipment and personnel safe during faults and electrical transients.

Specifications at a glance

• Manufacturer: Square D
• Part Number: Y1B130
• Product Type: Circuit Breaker
• Amperage: 30 A
• Poles: 1
• Voltage: 277V

Why it matters

In industrial settings, protecting single-phase 277V circuits is critical for safeguarding motors, lighting, and control equipment. The Y1B130 is designed to interrupt fault current quickly, reducing downtime and the risk of damage or fire. With this breaker, you can expect clearer fault isolation and safer, more reliable operation of your critical electrical systems.

Compatibility and how to confirm fit

Use the part number Y1B130 to confirm compatibility with your panel and application. Since electrical panels vary, verify fit by cross-checking the part number against your panel catalog and the circuit's voltage and amperage requirements. Need help matching a part number or confirming compatibility? Message us and we’ll help you confirm the right match.

Ideal use cases

• New installations in industrial facilities requiring single-pole 277V protection
• Replacement for worn or failed 30A, 277V breakers in service and maintenance projects
• Protection for control circuits and lighting circuits in warehouses and manufacturing floors that run on 277V

Choose the Square D Y1B130 for dependable, precise protection where a 30A, 1-pole solution is needed on 277V circuits. This model is tailored for professionals managing industrial electrical systems and seeking accurate part-number compatibility for seamless integration.