Send a part number, a photo, or a whole BOM — we supply it and stand behind it. Worldwide shipping to 80+ countries.

EATON Miniature Circuit Breaker: 20 A, 277V AC, Single Phase, 14kA at 277V 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: 20 A, 277V AC, Single Phase, 14kA at 277V AC

The EATON GHB Series Miniature Circuit Breaker (MPN GHB1020) is a single-pole, bolt-on unit rated at 20 A and 277V AC. It provides a 14kA interrupting capacity at 277V AC and is designed for use in Eaton Powerline…

SKU 3G-OTH-127654

Brand
EATON
Item
Miniature Circuit Breaker: 20 A, 277V AC, Single Phase, 14kA at 277V AC
Category
GHB Series, Bolt-On Eaton Cutler-Hammer Miniature Circuit Breakers
Available to Order
Trade pricing by quote — replies within 24h
Qty
WhatsApp an engineer
No account needed — your quote request goes straight to our engineers. A free account lets you track quotes and re-order faster.
Worldwide Shipping
Air & sea freight
Datasheet on Request
Technical specs
1-Day Quote
Replies within 24h

Technical Specifications

EATON
Manufacturer Part Number
GHB1020
Type
Single Phase, 14kA at 277V AC, Std
AC
277V
Poles
1
View Full Spec Sheet

Technical Documents

No technical documents available for this product.
Request documentation
Not sure this is the right part? Get a recommendation.

Need installation or engineering help?

Installation, commissioning, maintenance plans, system design, and bundled product + service quotes — one team handles the full scope.
Talk to an engineer

Ask a question

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

Product Description

The EATON GHB Series Miniature Circuit Breaker (MPN GHB1020) is a single-pole, bolt-on unit rated at 20 A and 277V AC. It provides a 14kA interrupting capacity at 277V AC and is designed for use in Eaton Powerline Panelboards. This standard miniature circuit breaker is part of the Eaton Cutler-Hammer GHB Series.

Frequently Asked Questions

What is the EATON GHB1020 miniature circuit breaker used for?

The EATON GHB1020 is a single-pole, bolt-on miniature circuit breaker rated at 20 A and 277V AC. It is designed for branch-circuit protection in Eaton Powerline Panelboards, commonly used in commercial and industrial electrical distribution systems where reliable overcurrent protection is required.

What are the specifications of the EATON GHB1020 circuit breaker?

The EATON GHB1020 is a single-pole, bolt-on miniature circuit breaker from the GHB Series. It is rated at 20 A, 277V AC, with a 14kA interrupting capacity at 277V AC. It features a standard trip characteristic and is designed for use in Eaton Powerline Panelboards.

Where to buy the EATON GHB1020 circuit breaker worldwide?

3G Electric supplies the EATON GHB1020 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; we source and deliver this Eaton Cutler-Hammer GHB Series breaker to any location.

How to install the EATON GHB1020 circuit breaker?

Install the EATON GHB1020 by first ensuring the panelboard is de-energized. Securely bolt the breaker onto the busbar in an Eaton Powerline Panelboard, then torque the terminal screws to the manufacturer's recommended value. Always follow local electrical codes and use appropriate 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.

You might also need

Burners & Combustion Pumps & Compressors Spare Parts All Products

Similar products

Matched by specification & description
EATON Miniature Circuit Breaker: 25 A, 277V AC, Single Phase, 14kA at 277V AC, 1 Poles, Std (MPN GHB1025). Key specifications — attr195951: 25 A; attr195952: 277V AC; attr195953: Single; attr195954: 14kA at 277V AC; attr195958: Standard; attr195955: Eaton Powerline Panelboards; attr211136: EATON.
EATON
EATON Miniature Circuit Breaker: 25 A, 277V AC, Single Phase, 14kA at 277V AC, 1 Poles, Std (MPN GHB1025). Key specifications — attr195951: 25 A; attr195952: 277V AC; attr195953: Single; attr195954: 14kA at 277V AC; attr195958: Standard; attr195955: Eaton Powerline Panelboards; attr211136: EATON.
EATON Miniature Circuit Breaker: 40 A, 277V AC, Single Phase, 14kA at 277V AC, 1 Poles, Std (MPN GHB1040). Key specifications — attr195951: 40 A; attr195952: 277V AC; attr195953: Single; attr195954: 14kA at 277V AC; attr195958: Standard; attr195955: Eaton Powerline Panelboards; attr211136: EATON.
EATON
EATON Miniature Circuit Breaker: 40 A, 277V AC, Single Phase, 14kA at 277V AC, 1 Poles, Std (MPN GHB1040). Key specifications — attr195951: 40 A; attr195952: 277V AC; attr195953: Single; attr195954: 14kA at 277V AC; attr195958: Standard; attr195955: Eaton Powerline Panelboards; attr211136: EATON.
EATON Miniature Circuit Breaker: 30 A, 277V AC, Single Phase, 14kA at 277V AC, 1 Poles, Std (MPN GHB1030). Key specifications — attr195951: 30 A; attr195952: 277V AC; attr195953: Single; attr195954: 14kA at 277V AC; attr195958: Standard; attr195955: Eaton Powerline Panelboards; attr211136: EATON.
EATON
EATON Miniature Circuit Breaker: 30 A, 277V AC, Single Phase, 14kA at 277V AC, 1 Poles, Std (MPN GHB1030). Key specifications — attr195951: 30 A; attr195952: 277V AC; attr195953: Single; attr195954: 14kA at 277V AC; attr195958: Standard; attr195955: Eaton Powerline Panelboards; attr211136: EATON.
EATON Miniature Circuit Breaker: 20 A, 277/480V AC, Single Phase, 14kA at 277/480V AC, 2 Poles, Std (MPN GHB2020). Key specifications — attr195951: 20 A; attr195952: 277/480V AC; attr195953: Single; attr195954: 14kA at 277/480V AC; attr195958: Standard; attr195955: Eaton Powerline Panelboards; attr211136: EATON.
EATON
EATON Miniature Circuit Breaker: 20 A, 277/480V AC, Single Phase, 14kA at 277/480V AC, 2 Poles, Std (MPN GHB2020). Key specifications — attr195951: 20 A; attr195952: 277/480V AC; attr195953: Single; attr195954: 14kA at 277/480V AC; attr195958: Standard; attr195955: Eaton Powerline Panelboards; attr211136: EATON.
EATON Miniature Circuit Breaker: 20 A, 277/480V AC, Three Phase, 14kA at 277/480V AC, 3 Poles, Std (MPN GHB3020). Key specifications — attr195951: 20 A; attr195952: 277/480V AC; attr195953: Three; attr195954: 14kA at 277/480V AC; attr195958: Standard; attr195955: Eaton Powerline Panelboards; attr211136: EATON.
EATON
EATON Miniature Circuit Breaker: 20 A, 277/480V AC, Three Phase, 14kA at 277/480V AC, 3 Poles, Std (MPN GHB3020). Key specifications — attr195951: 20 A; attr195952: 277/480V AC; attr195953: Three; attr195954: 14kA at 277/480V AC; attr195958: Standard; attr195955: Eaton Powerline Panelboards; attr211136: EATON.
EATON Miniature Circuit Breaker: 30 A, 277/480V AC, Single Phase, 14kA at 277/480V AC, 2 Poles, Std (MPN GHB2030). Key specifications — attr195951: 30 A; attr195952: 277/480V AC; attr195953: Single; attr195954: 14kA at 277/480V AC; attr195958: Standard; attr195955: Eaton Powerline Panelboards; attr211136: EATON.
EATON
EATON Miniature Circuit Breaker: 30 A, 277/480V AC, Single Phase, 14kA at 277/480V AC, 2 Poles, Std (MPN GHB2030). Key specifications — attr195951: 30 A; attr195952: 277/480V AC; attr195953: Single; attr195954: 14kA at 277/480V AC; attr195958: Standard; attr195955: Eaton Powerline Panelboards; attr211136: EATON.

More from EATON

View all EATON parts
EATON Miniature Circuit Breaker: 50 A, 277V AC, Single Phase, 14kA at 277V AC, 1 Poles, Std (MPN GHB1050). Key specifications — attr195951: 50 A; attr195952: 277V AC; attr195953: Single; attr195954: 14kA at 277V AC; attr195958: Standard; attr195955: Eaton Powerline Panelboards; attr211136: EATON.
EATON
EATON Miniature Circuit Breaker: 50 A, 277V AC, Single Phase, 14kA at 277V AC, 1 Poles, Std (MPN GHB1050). Key specifications — attr195951: 50 A; attr195952: 277V AC; attr195953: Single; attr195954: 14kA at 277V AC; attr195958: Standard; attr195955: Eaton Powerline Panelboards; attr211136: EATON.
EATON Miniature Circuit Breaker: 15 A, 277V AC, Single Phase, 14kA at 277V AC, 1 Poles, Std (MPN GHB1015). Key specifications — attr195951: 15 A; attr195952: 277V AC; attr195953: Single; attr195954: 14kA at 277V AC; attr195958: Standard; attr195955: Eaton Powerline Panelboards; attr211136: EATON.
EATON
EATON Miniature Circuit Breaker: 15 A, 277V AC, Single Phase, 14kA at 277V AC, 1 Poles, Std (MPN GHB1015). Key specifications — attr195951: 15 A; attr195952: 277V AC; attr195953: Single; attr195954: 14kA at 277V AC; attr195958: Standard; attr195955: Eaton Powerline Panelboards; attr211136: EATON.
EATON Miniature Circuit Breaker: 100 A, 277/480V AC, Single Phase, 14kA at 277/480V AC, 2 Poles, Std (MPN GHB2100). Key specifications — attr195951: 100 A; attr195952: 277/480V AC; attr195953: Single; attr195954: 14kA at 277/480V AC; attr195958: Standard; attr195955: Eaton Powerline Panelboards; attr211136: EATON.
EATON
EATON Miniature Circuit Breaker: 100 A, 277/480V AC, Single Phase, 14kA at 277/480V AC, 2 Poles, Std (MPN GHB2100). Key specifications — attr195951: 100 A; attr195952: 277/480V AC; attr195953: Single; attr195954: 14kA at 277/480V AC; attr195958: Standard; attr195955: Eaton Powerline Panelboards; attr211136: EATON.
EATON Miniature Circuit Breaker: 40 A, 277/480V AC, Single Phase, 14kA at 277/480V AC, 2 Poles, Std (MPN GHB2040). Key specifications — attr195951: 40 A; attr195952: 277/480V AC; attr195953: Single; attr195954: 14kA at 277/480V AC; attr195958: Standard; attr195955: Eaton Powerline Panelboards; attr211136: EATON.
EATON
EATON Miniature Circuit Breaker: 40 A, 277/480V AC, Single Phase, 14kA at 277/480V AC, 2 Poles, Std (MPN GHB2040). Key specifications — attr195951: 40 A; attr195952: 277/480V AC; attr195953: Single; attr195954: 14kA at 277/480V AC; attr195958: Standard; attr195955: Eaton Powerline Panelboards; attr211136: EATON.
EATON Miniature Circuit Breaker: 30 A, 277/480V AC, Three Phase, 14kA at 277/480V AC, 3 Poles, Std (MPN GHB3030). Key specifications — attr195951: 30 A; attr195952: 277/480V AC; attr195953: Three; attr195954: 14kA at 277/480V AC; attr195958: Standard; attr195955: Eaton Powerline Panelboards; attr211136: EATON.
EATON
EATON Miniature Circuit Breaker: 30 A, 277/480V AC, Three Phase, 14kA at 277/480V AC, 3 Poles, Std (MPN GHB3030). Key specifications — attr195951: 30 A; attr195952: 277/480V AC; attr195953: Three; attr195954: 14kA at 277/480V AC; attr195958: Standard; attr195955: Eaton Powerline Panelboards; attr211136: EATON.
EATON Miniature Circuit Breaker: 35 A, 277V AC, Single Phase, 14kA at 277V AC, 1 Poles, Std (MPN GHB1035). Key specifications — attr195951: 35 A; attr195952: 277V AC; attr195953: Single; attr195954: 14kA at 277V AC; attr195958: Standard; attr195955: Eaton Powerline Panelboards; attr211136: EATON.
EATON
EATON Miniature Circuit Breaker: 35 A, 277V AC, Single Phase, 14kA at 277V AC, 1 Poles, Std (MPN GHB1035). Key specifications — attr195951: 35 A; attr195952: 277V AC; attr195953: Single; attr195954: 14kA at 277V AC; attr195958: Standard; attr195955: Eaton Powerline Panelboards; attr211136: EATON.
EATON Miniature Circuit Breaker: 50 A, 277/480V AC, Three Phase, 14kA at 277/480V AC, 3 Poles, Std (MPN GHB3050). Key specifications — attr195951: 50 A; attr195952: 277/480V AC; attr195953: Three; attr195954: 14kA at 277/480V AC; attr195958: Standard; attr195955: Eaton Powerline Panelboards; attr211136: EATON.
EATON
EATON Miniature Circuit Breaker: 50 A, 277/480V AC, Three Phase, 14kA at 277/480V AC, 3 Poles, Std (MPN GHB3050). Key specifications — attr195951: 50 A; attr195952: 277/480V AC; attr195953: Three; attr195954: 14kA at 277/480V AC; attr195958: Standard; attr195955: Eaton Powerline Panelboards; attr211136: EATON.
EATON Miniature Circuit Breaker: 15 A, 277/480V AC, Single Phase, 14kA at 277/480V AC, 2 Poles, Std (MPN GHB2015). Key specifications — attr195951: 15 A; attr195952: 277/480V AC; attr195953: Single; attr195954: 14kA at 277/480V AC; attr195958: Standard; attr195955: Eaton Powerline Panelboards; attr211136: EATON.
EATON
EATON Miniature Circuit Breaker: 15 A, 277/480V AC, Single Phase, 14kA at 277/480V AC, 2 Poles, Std (MPN GHB2015). Key specifications — attr195951: 15 A; attr195952: 277/480V AC; attr195953: Single; attr195954: 14kA at 277/480V AC; attr195958: Standard; attr195955: Eaton Powerline Panelboards; attr211136: EATON.