Siemens | NGB1B080V | Circuit Breaker | 1-Pole | 277V | Bolt-On

Siemens NGB1B080V is a precise, purpose-built circuit breaker designed for 1-pole 277V applications. This bolt-on model is ideal for maintenance, retrofit, and replacement projects where exact specifications and reliable protection matter most in commercial and industrial panels.

• Poles: 1-Pole
• Voltage Rating: 277V
• Mounting: Bolt-On
• Part Reference: NGB1B080V (best reference for compatibility)

Why choose a bolt-on Siemens breaker like the NGB1B080V? The bolt-on mounting delivers a sturdy, vibration-resistant connection in demanding environments, reducing the risk of loose connections in busy commercial panels. Its 277V rating makes it a natural fit for lighting and other high-voltage branch circuits common in offices, shopping centers, and other large facilities.

Key benefits and practical advantages

• Precise compatibility: The part number NGB1B080V is the clearest guide for matching panels and electrical systems, helping you avoid fit issues during retrofits or replacements.
• Reliable protection for 277V circuits: Targeted for commercial voltage levels, this breaker ensures prompt interruption on fault conditions, safeguarding wiring and devices on 277V lighting and equipment circuits.
• Secure, durable installation: Bolt-On design provides a robust connection to the panel, supporting long-term performance in environments with vibration or physical activity near electrical gear.
• Flexible retrofit option: Ideal for updating legacy panels or expanding capacity where a 1-pole, 277V solution is required without changing the overall panel architecture.

Ideal use scenarios

• Retrofit projects in commercial buildings where 277V lighting and related loads are wired through breakered circuits.
• Maintenance replacements in aging Siemens panels that require exact NGB1B080V specifications to maintain listing and reliability.
• New installations in systems that previously relied on compatible 1-pole, 277V protection, ensuring consistent performance with existing equipment.

Before ordering, verify that the fit and ratings match your panel requirements. The NGB1B080V part number is the most reliable reference for compatibility, helping you avoid mismatches and delays on the job site.

In practice, this Siemens breaker delivers predictable protection for high-voltage branch circuits, straightforward field retrofit, and a mounting solution designed to stay secure in active commercial environments. If your application calls for a 1-pole, 277V bolt-on breaker with dependable Siemens reliability, the NGB1B080V is a focused, practical choice that aligns with standard commercial electrical practices.