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Eaton / Cutler-Hammer CHB240GF GFCI Miniature Circuit Breaker
- 40A
- 2 Pole
- Bolt-On
Eaton / Cutler-Hammer
CHB240GF
GFCI Miniature Circuit Breaker
Brand
Eaton / Cutler-Hammer
SKU
CHB240GF
Quantity
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Eaton / Cutler-Hammer CHB240GF - 40A GFCI Miniature Circuit Breaker
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Description
Part of the CH family, the Eaton CHB240GF is a 40A, 2-pole miniature circuit breaker that integrates 5mA ground fault personnel protection. This bolt-on device installs into Cutler-Hammer Type PB and PH panelboards, along with compatible meter panels. The box lugs accept 8-4 AWG conductors. Delivering a 10kAIC capacity at 120/240VAC, the breaker includes a self-test feature and common trip functionality to meet modern NEC requirements.Specifications
| Brand | Eaton / Cutler-Hammer |
|---|---|
| Part Number | CHB240GF |
| Series | CHB |
| Amperage | 40A |
| Poles | 2 |
| Mounting Style | Bolt-On |
| Voltage | 120/240VAC |
| Phase | 1 |
| AIC Rating | 10kA @ 120/240VAC |
| Frame Type | CHB |
|---|---|
| Terminal Type | Box Lugs |
| For Use With | Type PB Panelboards, Type PH Panelboards, Meter Panels |
| Wire Gauge | 8-4 AWG (Cu/Al) |
| Max Wire | 4 AWG |
| Min Wire | 8 AWG |
| Trip Technology | Thermal Magnetic |
|---|---|
| Trip Function Code | LIG |
| Trip Function | Long-Time, Instantaneous, Ground Fault |
| Trip Adjustability | Fixed |
| Special Classification | GFCI |
|---|---|
| Available Options | Padlock Attachment |
| Standards | CSA C22.2 No. 5, UL 489, UL 943 |
| Approval | CSA, UL |
| Temp Rating | 60C to 75C |
Product FAQs
6 answersCan I install the CHB240GF in a standard Eaton CH residential loadcenter?
No. The CHB240GF is a bolt-on circuit breaker designed specifically for commercial Type PB and PH panelboards, as well as compatible meter panels. Standard CH loadcenters require plug-on Type CH breakers.
What level of ground fault protection does the CHB240GF provide?
This breaker is a Class A Ground Fault Circuit Interrupter (GFCI). It features a 5mA trip sensitivity designed for personnel protection, which differs from the 30mA sensitivity found in equipment protection (EP) breakers.
How is the neutral connection handled on this GFCI breaker?
The CHB240GF utilizes a pigtail neutral. This coiled wire must be routed and secured to the neutral bus bar in the panelboard to power the internal ground fault sensing circuitry.
What wire sizes are accepted by the terminals on the CHB240GF?
The box lugs on this breaker accommodate 8 AWG to 4 AWG copper or aluminum conductors.
Are Eaton CHB and CH series breakers interchangeable?
No. Although they share a 3/4-inch per pole width and similar internal components, CHB breakers feature a bolt-on connection type, whereas CH breakers use a plug-on connection.
What trip functions are included in the CHB240GF?
This breaker features a fixed thermal-magnetic trip unit that provides Long-Time (thermal overload) and Instantaneous (short-circuit) protection, combined with Ground-Fault sensing (LIG).
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Reviews
Review summary
Customers rate this product 4.8 out of 5 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
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Rating
4 reviews
- MGMark G.Verified BuyerReviewingEaton / Cutler-Hammer CHB350 - 50A 3 Pole Miniature Circuit BreakerI recommend this productRated 4 out of 5 stars4/8/26Was 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.
- WBWilliam B.Verified BuyerReviewingEaton / Cutler-Hammer CHB215 - 15A 2 Pole Miniature Circuit BreakerI recommend this productRated 5 out of 5 stars8/5/25Breakers
Work great, fast shipping. Product as advertised. Good site
- HCHb C.ReviewingEaton / Cutler-Hammer CHB215 - 15A 2 Pole Miniature Circuit BreakerI recommend this productRated 5 out of 5 stars9/9/21CHB BREAKER
Excellent Service, Shipping Fast!!!! Super Breakers
- MMMuhammad M.ReviewingEaton / Cutler-Hammer CHB3100 - 100A 3 Pole Miniature Circuit BreakerI recommend this productRated 5 out of 5 stars12/19/17Nice!
Good experience, On time and fair price.