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Eaton / Cutler-Hammer CHB120GF GFCI Miniature Circuit Breaker

  • 20A
  • 1 Pole
  • Bolt-On
Eaton / Cutler-Hammer CHB120GF
GFCI Miniature Circuit Breaker
Brand Eaton / Cutler-Hammer
SKU CHB120GF
Select Item Condition
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  • 20A
  • 1 Pole
  • Bolt-On

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Eaton / Cutler-Hammer CHB120GF - 20A GFCI Miniature Circuit Breaker

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$522.00 In Stock

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Description

Engineered for commercial applications, the Eaton CHB120GF delivers 5mA ground fault personnel protection. This single-pole, 20A breaker detects leakage currents to prevent electrical shocks in wet locations. It bolts securely into Cutler-Hammer Type PB and PH panelboards. The bolt-on mounting style ensures a rigid connection for demanding environments.

Specifications

Key specifications
Brand Eaton / Cutler-Hammer
Series CHB
Amperage 20A
Poles 1
Mounting Style Bolt-On
Voltage 120/240VAC
Phase 1
AIC Rating 10kA @ 120/240VAC
Fit and installation
Frame Type CHB
Terminal Type Box Lugs
For Use With Cutler-Hammer Type PB Panelboards, Type PH Panelboards
Wire Gauge 14-8 AWG (Cu/Al)
Max Wire 8 AWG
Min Wire 14 AWG
Protection and operation
Trip Technology Thermal Magnetic
Trip Function Code LIG
Trip Function Long-Time, Instantaneous, Ground Fault
Trip Adjustability Fixed Thermal, Fixed Magnetic
Standards and features
Special Classification GFCI
Available Options Handle Lock, Padlock Attachment
Standards CSA C22.2 No. 5, UL 489, UL 943
Approval CSA, UL
Temp Rating 60C to 75C
Construction Features 5mA Ground Fault Personnel Protection, HID Rated, HACR Rated, SWD Rated, Self-Test

Product FAQs

6 answers
Which panelboards are compatible with the CHB120GF circuit breaker?

The CHB120GF is a bolt-on breaker designed specifically for use in Cutler-Hammer Type PB and Type PH panelboards.

How is the neutral connection configured on the CHB120GF?

This breaker is equipped with a pigtail neutral wire. The pigtail must be landed on the neutral bus of the panelboard to power the internal ground fault circuitry.

What wire sizes and materials are supported by the terminals on this breaker?

The box lugs accept 14 AWG through 8 AWG copper or aluminum (Cu/Al) conductors.

What level of ground fault protection does the CHB120GF provide?

It operates as a Class A Ground Fault Circuit Interrupter (GFCI) for personnel protection. It is designed to trip when a ground fault of 5mA is detected.

Are Eaton and Cutler-Hammer CHB120GF breakers interchangeable?

Yes. Eaton acquired Cutler-Hammer and continues to produce these breakers under the Eaton name. The CHB120GF catalog number is identical and fully interchangeable between the two brands.

What trip functions are included in the CHB120GF thermal magnetic breaker?

It features fixed thermal (Long-Time) protection for overloads, fixed magnetic (Instantaneous) protection for short circuits, and integrated Ground-Fault sensing.

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Reviews

4.8
Rated 4.8 out of 5 stars
Based on 4 reviews
Total 5 star reviews: 3 Total 4 star reviews: 1 Total 3 star reviews: 0 Total 2 star reviews: 0 Total 1 star reviews: 0
Rating
Ratings
4 reviews
  • MG
    Mark G.
    Verified Buyer
    Reviewing
    Eaton / Cutler-Hammer CHB350 - 50A 3 Pole Miniature Circuit Breaker
    I recommend this product
    Rated 4 out of 5 stars
    4/8/26
    Was what I needed

    This breaker was exactly what I needed. I did not give it 5 starts because it was SUPER expensive for this frame size breaker.

  • WB
    William B.
    Verified Buyer
    Reviewing
    Eaton / Cutler-Hammer CHB215 - 15A 2 Pole Miniature Circuit Breaker
    I recommend this product
    Rated 5 out of 5 stars
    8/5/25
    Breakers

    Work great, fast shipping. Product as advertised. Good site

  • HC
    Hb C.
    Flag of United States
    Reviewing
    Eaton / Cutler-Hammer CHB215 - 15A 2 Pole Miniature Circuit Breaker
    I recommend this product
    Rated 5 out of 5 stars
    9/9/21
    CHB BREAKER

    Excellent Service, Shipping Fast!!!! Super Breakers

  • MM
    Muhammad M.
    Flag of United States
    Reviewing
    Eaton / Cutler-Hammer CHB3100 - 100A 3 Pole Miniature Circuit Breaker
    I recommend this product
    Rated 5 out of 5 stars
    12/19/17
    Nice!

    Good experience, On time and fair price.