QBHW1045 | Circuit Breaker | 45A | 1-Pole | 240V | Bolt-On

QBHW1045 is an industrial circuit breaker engineered for dependable protection in maintenance, retrofit, and replacement projects where exact specifications matter. This 1-Pole, 45A, 240V bolt-on breaker is designed to slot into compatible panels with minimal downtime, helping keep critical electrical systems safe and compliant.

Key specifications

• Amperage: 45 A
• Poles: 1-Pole
• Voltage: 240 V
• Mounting: Bolt-On
• Part number: QBHW1045

Why this breaker stands out

Designed for reliability in demanding environments, this breaker delivers fast, secure disconnect protection for single circuits. The bolt-on mounting reduces installation time by simplifying mounting alignment and ensuring a solid, vibration-resistant fit in compatible panels. Using the exact part number QBHW1045 helps ensure you’re selecting a device that matches the original specifications, minimizing compatibility surprises during retrofit or replacement.

Ideal use cases

• Maintenance on industrial equipment where a 45 A, 240 V single-pole protection is required.
• Retrofits to upgrade older installations without changing the surrounding panel hardware.
• Replacement in legacy systems where exact spec alignment (1-Pole, 240V, 45A) is essential for safe operation.

Installation and compatibility tips

Before ordering, confirm fit and ratings to ensure the QBHW1045 matches your panel’s acceptance criteria. Use the part number as your primary reference for compatibility, and verify that the enclosure and bus configuration support a bolt-on, 1-pole 240V device. If you’re replacing a failed breaker, check that the trip characteristics and current rating meet the circuit’s protective needs, and review any panel labeling or documentation for confirmed compatibility.

With its industrial-grade build and straightforward bolt-on installation, the QBHW1045 offers a practical, reliable solution for maintaining electrical safety and continuity in commercial and industrial settings. Add it to your toolkit for quick, trustworthy replacements that keep your systems up and running.