Westinghouse | 2603D60G03 | Circuit Breaker | 3-Pole | 277V

Introducing Westinghouse 2603D60G03 — a 3-Pole Circuit Breaker rated for 277V. Engineered for maintenance, retrofit, and replacement scenarios, this unit ensures you can restore or upgrade critical power circuits without sacrificing reliability or safety. When exact specs matter, this 2603D60G03 model is built to meet the demanding needs of commercial electrical distributions.

Key details

• Pole configuration: 3-Pole
• Voltage rating: 277V
• Reference part number: 2603D60G03
• Usage note: Confirm fit and ratings before ordering; the part number is the best reference for compatibility.

Why this matters for your project

In commercial environments, 277-volt circuits are common for lighting and certain HVAC or equipment networks. This Westinghouse 2603D60G03 provides robust, three-pole protection across three concurrent current paths, helping prevent overcurrent events from cascading through multi-line systems. It’s a practical choice when you’re upgrading an existing panel or replacing a failed unit that requires a matching 3-pole 277V configuration.

Ideal use cases

• Maintenance tasks that require restoring original protection on 277V, three-phase or multi-line circuits
• Retrofits where existing equipment demands a 3-pole, 277V breaker with exact compatibility
• Replacement within Westinghouse-compatible panels and distribution setups that specify part 2603D60G03
• Facilities managers and electricians upgrading commercial electrical infrastructure in office buildings, retail spaces, hospitals, and warehouses

Installation and compatibility guidance

To ensure seamless operation, verify that your panel labeling and system requirements align with the 3-Pole and 277V specifications before installation. Use the exact 2603D60G03 part number as your primary compatibility reference, and consult your electrical schematic or panel documentation if in doubt. Proper mounting, secure bus connections, and adherence to safety protocols are essential for reliable protection and performance.

What you gain with this Westinghouse breaker

Precise compatibility, straightforward replacement workflow, and dependable protection for critical commercial circuits. This unit is purpose-built for environments that rely on a stable, three-pole 277V protection strategy, helping keep downtime brief and maintenance predictable.