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EATON Miniature Circuit Breaker: 40 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: 40 A, 277/480V AC, Three Phase, 14kA at 277/480V AC

The EATON GHB3040 is a three-pole, bolt-on miniature circuit breaker from the GHB Series, rated at 40 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-127730

Brand
EATON
Item
Miniature Circuit Breaker: 40 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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Technical Specifications

EATON
Manufacturer Part Number
GHB3040
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 GHB3040 is a three-pole, bolt-on miniature circuit breaker from the GHB Series, rated at 40 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 GHB3040 miniature circuit breaker used for?

The EATON GHB3040 is a three-pole, bolt-on miniature circuit breaker rated at 40 A and 277/480V AC. It is designed for branch-circuit protection in Eaton Powerline Panelboards, providing overcurrent protection in commercial and industrial electrical distribution systems.

What are the specifications of the EATON GHB3040?

The EATON GHB3040 is a three-pole miniature circuit breaker with a 40 A rating, 277/480V AC voltage, and a 14kA interrupting capacity at 277/480V AC. It features a standard trip characteristic and is part of the GHB Series, designed for bolt-on mounting in Eaton Powerline Panelboards.

Where to buy the EATON GHB3040 worldwide?

3G Electric supplies the EATON GHB3040 miniature circuit breaker worldwide. As a global industrial equipment distributor, we handle full logistics, customs clearance, and delivery to your location. Contact us for availability and lead time on this Eaton GHB Series breaker.

How to install the EATON GHB3040 miniature circuit breaker?

Install the EATON GHB3040 by bolting it into an Eaton Powerline Panelboard. Ensure the panel is de-energized, torque terminals to manufacturer specifications, and verify the 40 A rating matches the circuit load. Follow all applicable electrical codes and use proper personal protective equipment.

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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