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EATON Miniature Circuit Breaker: 45 A, 277/480V AC, Three Phase, 14kA at 277/480V AC - GHB Series, Bolt-On Eaton Cutler-Hammer Miniature Circuit Breakers
EATONGHB Series, Bolt-On Eaton Cutler-Hammer Miniature Circuit Breakers

EATON Miniature Circuit Breaker: 45 A, 277/480V AC, Three Phase, 14kA at 277/480V AC

The EATON GHB3045 is a three-pole, bolt-on miniature circuit breaker from the GHB Series, rated at 45 A and 277/480V AC with a 14kA interrupting capacity at 277/480V AC. It is designed for use in Eaton Powerline…

SKU 3G-OTH-127749

Also listed as: GHB 3045 · GHB-3045

Brand
EATON
Item
Miniature Circuit Breaker: 45 A, 277/480V AC, Three Phase, 14kA at 277/480V AC
Category
GHB Series, Bolt-On Eaton Cutler-Hammer Miniature Circuit Breakers
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Delivery
Worldwide DHL shipping from Singapore; 7–14 business days door-to-door for most destinations.
Payment
Invoicing in USD. Bank transfer (SWIFT) and corporate PO accepted.

Technical Specifications

EATON
Manufacturer Part Number
GHB3045
Type
Three Phase, 14kA at 277/480V AC, Std
AC
277/480V
Poles
3

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EATON Products
3G Electric (S) Pte. Ltd. — Singapore

Product Description

The EATON GHB3045 is a three-pole, bolt-on miniature circuit breaker from the GHB Series, rated at 45 A and 277/480V AC with a 14kA interrupting capacity at 277/480V AC. It is designed for use in Eaton Powerline Panelboards and features a standard trip characteristic.

Frequently Asked Questions

What is the EATON GHB3045 miniature circuit breaker used for?

The EATON GHB3045 is a three-pole, bolt-on miniature circuit breaker rated at 45 A and 277/480V AC. It is designed for branch-circuit protection in Eaton Powerline Panelboards, commonly used in commercial and industrial electrical distribution systems requiring a 14kA interrupting capacity.

What are the specifications of the EATON GHB3045?

The EATON GHB3045 is a GHB Series miniature circuit breaker with 45 A rating, 277/480V AC voltage, three poles, and a 14kA interrupting capacity at 277/480V AC. It features a standard trip characteristic and a bolt-on connection for use in Eaton Powerline Panelboards.

Where to buy the EATON GHB3045 worldwide?

3G Electric supplies the EATON GHB3045 miniature circuit breaker worldwide. As a global industrial equipment distributor, we handle full logistics, customs clearance, and delivery to your site. Contact us for availability and lead time on this Eaton Cutler-Hammer GHB Series breaker.

How to install the EATON GHB3045 circuit breaker?

Install the EATON GHB3045 by bolting it into an Eaton Powerline Panelboard. Ensure the panel is de-energized, then torque the bolt-on connections to the manufacturer's specifications. Verify the 45 A rating and 277/480V AC system compatibility before closing the circuit.

Used in

Common applications for EATON
Industrial control panels — Eaton M22 flush push buttons for momentary machine start/stop commands
Motor control centers — Eaton NEMA reversing starters with electronic overloads for conveyor belt direction control
HVAC systems — Eaton definite purpose starters with thermal overloads for compressor and fan motor protection
Process automation — Eaton SL7 tower lights with IP66 bases for visual status indication in wet environments
Machine tool signaling — Eaton 10250T LED pilot lights with push-to-test for operator panel status lamps
Access control — Eaton M22 keyed selector switches for equipment mode selection in secured areas

EATON Products

3G Electric supplies EATON ghb series, bolt-on eaton cutler-hammer miniature circuit breakers. We supply genuine products with in-stock availability on common SKUs, technical documentation, commissioning support, and warranty service — worldwide.

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Compatible alternatives & equivalents

Cross-referenced by specification & description
EATON Miniature Circuit Breaker: 40 A, 277/480V AC, Three Phase, 14kA at 277/480V AC, 3 Poles, Std (MPN GHB3040)
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EATON Miniature Circuit Breaker: 40 A, 277/480V AC, Three Phase, 14kA at 277/480V AC, 3 Poles, Std (MPN GHB3040)
EATON Miniature Circuit Breaker: 35 A, 277/480V AC, Three Phase, 14kA at 277/480V AC, 3 Poles, Std (MPN GHB3035)
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EATON Miniature Circuit Breaker: 35 A, 277/480V AC, Three Phase, 14kA at 277/480V AC, 3 Poles, Std (MPN GHB3035)
EATON Miniature Circuit Breaker: 60 A, 277/480V AC, Three Phase, 14kA at 277/480V AC, 3 Poles, Std (MPN GHB3060)
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EATON Miniature Circuit Breaker: 60 A, 277/480V AC, Three Phase, 14kA at 277/480V AC, 3 Poles, Std (MPN GHB3060)
EATON Miniature Circuit Breaker: 20 A, 277/480V AC, Three Phase, 14kA at 277/480V AC, 3 Poles, Std (MPN GHB3020)
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EATON Miniature Circuit Breaker: 20 A, 277/480V AC, Three Phase, 14kA at 277/480V AC, 3 Poles, Std (MPN GHB3020)
EATON Miniature Circuit Breaker: 50 A, 277/480V AC, Single Phase, 14kA at 277/480V AC, 2 Poles, Std (MPN GHB2050)
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EATON Miniature Circuit Breaker: 50 A, 277/480V AC, Single Phase, 14kA at 277/480V AC, 2 Poles, Std (MPN GHB2050)
EATON Miniature Circuit Breaker: 15 A, 277/480V AC, Three Phase, 14kA at 277/480V AC, 3 Poles, Std (MPN GHB3015)
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EATON Miniature Circuit Breaker: 15 A, 277/480V AC, Three Phase, 14kA at 277/480V AC, 3 Poles, Std (MPN GHB3015)

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EATON Miniature Circuit Breaker: 35 A, 277V AC, Single Phase, 14kA at 277V AC, 1 Poles, Std (MPN GHB1035)
EATON Miniature Circuit Breaker: 50 A, 277/480V AC, Three Phase, 14kA at 277/480V AC, 3 Poles, Std (MPN GHB3050)
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EATON Miniature Circuit Breaker: 50 A, 277/480V AC, Three Phase, 14kA at 277/480V AC, 3 Poles, Std (MPN GHB3050)
EATON Miniature Circuit Breaker: 15 A, 277/480V AC, Single Phase, 14kA at 277/480V AC, 2 Poles, Std (MPN GHB2015)
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EATON Miniature Circuit Breaker: 15 A, 277/480V AC, Single Phase, 14kA at 277/480V AC, 2 Poles, Std (MPN GHB2015)