Westinghouse | 1773516 | Circuit Breaker | 1-Pole | 277V

Westinghouse 1773516 is a precise, single-pole circuit breaker designed for 277V applications. Built for maintenance, retrofit, and replacement projects, this 1-pole unit helps you restore reliable protection for individual circuits with confidence.

Why this 277V, 1-Pole breaker stands out

• Exact fit for 277V single‑pole circuits, making it an ideal replacement when your panel or load requires this specific voltage.
• Part number 1773516 serves as the strongest compatibility reference—use it to confirm fit against your panel listing and breaker label.
• Optimized for retrofit and maintenance scenarios, so you can upgrade or replace without altering the overall electrical architecture.
• Simple, straightforward installation for dedicated loads, lighting circuits, or other 277V applications in commercial or industrial settings.

How to use it effectively

Before ordering, verify fit and ratings directly on the existing panel or cross-reference with the manufacturer’s panel schedule. When replacing, align the amperage and type with the existing breaker to ensure consistent protection. During installation, follow standard lockout/tagout procedures, secure the breaker firmly to the bus, and ensure proper seating for reliable tripping behavior.

Practical benefits and outcomes

• Restored protection for a single hot conductor on 277V circuits, reducing the risk of overcurrent damage to wiring and connected equipment.
• Reduced downtime through a direct, matching replacement approach that keeps panel configurations intact.
• Clear, verifiable compatibility using the part number as the primary reference, minimizing guesswork in high-stakes electrical work.

Ideal for

• Commercial and light industrial settings with 277V distribution needs
• Retrofits where existing equipment requires a 1‑pole, 277V breaker for a specific branch circuit
• Maintenance projects that demand a precise, proven replacement part without panel remodeling

Specifications at a glance

• Brand: Westinghouse
• Part number: 1773516
• Pole: 1‑Pole
• Voltage: 277V
• Use: Circuit protection for single‑phase, 277V circuits

Note: Always confirm fit and ratings before ordering. Rely on the part number 1773516 as your best reference to ensure compatibility with your panel and electrical system.