Siemens | NGB2B045V | Circuit Breaker | 45A | 2-Pole | 600V

Designed for reliability in demanding electrical environments, the Siemens NGB2B045V circuit breaker is the exact-match solution for maintenance, retrofit, and replacement projects where you need a trusted, factory-grade part. This 2-pole, 45 A, 600 V device is built to integrate seamlessly with Siemens panels and distribution gear, helping you protect critical circuits with confidence.

Key specifications at a glance:

• Amperage: 45 A
• Poles: 2-Pole
• Maximum voltage: 600 V
• Part number: NGB2B045V — best reference for compatibility

Why choose this Siemens breaker?

• Engineered to align with Siemens panels and distribution equipment, reducing fit risk and electrical mismatch common with aftermarket parts.
• Perfect for service scenarios where exact specs matter: panel replacements, panel upgrades, and wiring changes in commercial and light-industrial settings.
• Streamlined procurement: using the exact part number ensures you’re getting the right amperage, pole configuration, and voltage rating for your circuit.

Use cases and benefits

• Maintenance: replace aging or failing breakers to restore protective shutdown without rework to your panelboard.
• Retrofit: upgrade or modify electrical distribution while keeping compatibility with existing Siemens gear.
• Replacement: simple part swap when you need to restore original protection characteristics after a component refresh.

Important ordering note: Confirm fit and ratings before ordering. The part number NGB2B045V is the best reference for compatibility with your Siemens equipment.