Eaton Cutler-Hammer GHB3045 45A 3P 480V Circuit Breaker, Bolt-On | AmpState

The Eaton Cutler-Hammer GHB3045 is a rugged bolt-on circuit breaker designed to protect panelboards, load centers, and electrical distribution systems from overloads and short circuits. With a 45 A rating, this 3-pole (3P) device operates at 480 V, delivering reliable, trip-ready protection for demanding commercial and industrial environments. This breaker is an ideal fit for replacement projects and for stocking spares that keep your bill of materials aligned to the original part number.

Key specifications

• Manufacturer: Eaton Cutler-Hammer
• Part Number: GHB3045
• Product Type: Circuit Breaker
• Amperage: 45 A
• Poles: 3
• Voltage: 480 V
• Mounting: Bolt-On
• Availability: Available from AmpState

Why this bolt-on 3P 480V breaker stands out

Designed for dependable performance in panelboards and load centers, the GHB3045 combines a robust bolt-on mounting with a compact footprint that simplifies field replacement and reduces downtime. The bolt-on design provides a secure, vibration-resistant connection suitable for environments with frequent energization and de-energization, ensuring consistent protection in even busy electrical rooms.

Ideal use cases

• When restoring original protection, the GHB3045 keeps BOMs intact by matching the original Eaton part number, ensuring a seamless retrofit.
• Stock this 45 A, 3P, 480 V device to shorten service calls and maintain uptime in commercial or industrial facilities.
• Suitable for distribution equipment where reliable three-phase protection at 480 V is required.
• Ideal for projects that must preserve exact part numbers to meet documentation and maintenance programs.

Helpful notes and support

If you’re unsure about compatibility or need help confirming fit, AmpState is ready to assist. Message us with your panel specifications or original part number, and we’ll verify whether the GHB3045 is the correct match for your electrical distribution system.

Choose the Eaton Cutler-Hammer GHB3045 for dependable protection, straightforward bolt-on installation, and a direct path to maintaining accurate BOMs in your electrical infrastructure.