Westinghouse FB1015 Circuit Breaker, 15A, 1-Pole, 277V

The Westinghouse FB1015 is a purpose-built circuit breaker designed for industrial electrical service, maintenance, and replacement projects. With a 15-amp, 1-pole configuration and a 277-volt rating, it provides reliable single-circuit protection for commercial and light industrial applications. Always verify fit by part number FB1015 to ensure compatibility with your panel and installation requirements.

Key features and benefits

• 15 A, 1-pole design protects a single circuit, delivering fast interruption to prevent damage to wiring and connected equipment.
• 277V operating capability makes it suitable for higher-voltage commercial and industrial circuits such as lighting and power feeds in warehouses and facilities.
• Part-number verified compatibility use FB1015 to confirm the correct fit for your panel model and application needs.
• Industrial-grade reliability built to endure demanding environments, frequent maintenance cycles, and scheduled replacements.
• Easy replacement workflow designed to enable straightforward swap-in installation in compatible panels, helping minimize downtime during maintenance or upgrades.

Who is this for

This breaker is ideal for electricians, maintenance technicians, and facilities teams responsible for warehouses, manufacturing floors, data centers, and large office campuses that utilize 277V circuits. It’s a practical spare part for replacement programs and a dependable option during panel upgrades or service calls.

Use cases and real-world applications

• Protect a dedicated 277V lighting or power circuit in an industrial facility with a compact, reliable 1-pole breaker.
• Keep spare parts on hand for routine maintenance schedules to reduce downtime when a circuit breaker trips.
• During panel upgrades, swap in the FB1015 where a single-channel, 15A protection device is required.

Compatibility and installation tips

To ensure proper fit and safe operation, verify the exact part number (FB1015) against your panel’s accepted components and confirm that your system operates at 277V with a single-pole configuration. If you’re unsure about compatibility, you can reference the part number and application requirements during selection.

Need help matching a part number or confirming compatibility? Message us and we’ll help.