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Eaton / Cutler-Hammer GFCB240 GFCI Miniature Circuit Breaker
- 40A
- 2 Pole
- Plug-On
Eaton / Cutler-Hammer
GFCB240
GFCI Miniature Circuit Breaker
Brand
Eaton / Cutler-Hammer
SKU
GFCB240
Quantity
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Eaton / Cutler-Hammer GFCB240 - 40A GFCI Miniature Circuit Breaker
New
Quantity
Quantity
Eaton / Cutler-Hammer GFCB240 - 40A GFCI Miniature Circuit Breaker
New
Quantity
| Brand | Eaton / Cutler-Hammer |
|---|---|
| Part Number | GFCB240 |
| Series | GFCB |
| Amperage | 40A |
| Poles | 2 |
| Mounting Style | Plug-On |
| Voltage | 120/240VAC |
| Phase | 1 |
| AIC Rating | 10kA @ 120/240VAC |
| Frame Type | BR |
|---|---|
| Terminal Type | Box Lugs |
| For Use With | Eaton BR Load Centers, Bryant Load Centers, Challenger Load Centers, Westinghouse Load Centers |
| Wire Gauge | 14-4 AWG (Cu/Al) |
| Max Wire | 4 AWG |
| Min Wire | 14 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 |
| Accessories | Pigtail Neutral |
| Standards | CSA C22.2 No. 144, UL 489, UL 943 |
| Approval | CSA, UL |
| Temp Rating | 40C |
| Construction Features | Common Trip, HACR Rated |
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Eaton / Cutler-Hammer GFCB240 - 40A GFCI Miniature Circuit Breaker
Re-Certified
Quantity
| Brand | Eaton / Cutler-Hammer |
|---|---|
| Part Number | GFCB240-R |
| Series | GFCB |
| Amperage | 40A |
| Poles | 2 |
| Mounting Style | Plug-On |
| Voltage | 120/240VAC |
| Phase | 1 |
| AIC Rating | 10kA @ 120/240VAC |
| Frame Type | BR |
|---|---|
| Terminal Type | Box Lugs |
| For Use With | Eaton BR Load Centers, Bryant Load Centers, Challenger Load Centers, Westinghouse Load Centers |
| Wire Gauge | 14-4 AWG (Cu/Al) |
| Max Wire | 4 AWG |
| Min Wire | 14 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 |
| Accessories | Pigtail Neutral |
| Standards | CSA C22.2 No. 144, UL 489, UL 943 |
| Approval | CSA, UL |
| Temp Rating | 40C |
| Construction Features | Common Trip, HACR Rated |
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Description
Rated for 40 amps at 120/240VAC, the Eaton GFCB240 provides essential ground-fault protection. It features a 5mA trip sensitivity to meet NEC requirements for areas prone to moisture. This two-pole plug-on breaker installs into Eaton BR, Bryant, Challenger, and Westinghouse load centers. It crosses to the BRN240GF and is replaced by the GFTCB240. The unit includes a pigtail neutral connection and delivers a standard 10kAIC interrupting rating for reliable thermal-magnetic protection.Specifications
| Brand | Eaton / Cutler-Hammer |
|---|---|
| Part Number | GFCB240 |
| Series | GFCB |
| Amperage | 40A |
| Poles | 2 |
| Mounting Style | Plug-On |
| Voltage | 120/240VAC |
| Phase | 1 |
| AIC Rating | 10kA @ 120/240VAC |
| Frame Type | BR |
|---|---|
| Terminal Type | Box Lugs |
| For Use With | Eaton BR Load Centers, Bryant Load Centers, Challenger Load Centers, Westinghouse Load Centers |
| Wire Gauge | 14-4 AWG (Cu/Al) |
| Max Wire | 4 AWG |
| Min Wire | 14 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 |
| Accessories | Pigtail Neutral |
| Standards | CSA C22.2 No. 144, UL 489, UL 943 |
| Approval | CSA, UL |
| Temp Rating | 40C |
| Construction Features | Common Trip, HACR Rated |
Product FAQs
6 answersWhat load centers are compatible with the GFCB240 breaker?
This plug-on breaker is designed for use in Eaton BR, Bryant, Challenger, and Westinghouse load centers. It is not compatible with Eaton CH series panels.
What level of ground fault protection does the GFCB240 provide?
It provides Class A ground fault protection with a 5mA trip sensitivity, meeting NEC requirements for personnel protection in wet or damp locations.
Does the GFCB240 require a neutral wire connection?
Yes, this breaker features a pigtail neutral wire that must be connected directly to the neutral bus bar in your panel for the ground fault protection to function correctly.
Is the GFCB240 suitable for hot tub and spa installations?
Yes, this 40-amp, 2-pole GFCI breaker is commonly used to provide the required Class A ground fault protection for hot tubs, spas, and pool equipment.
What is the difference between the GFCB240 and the GFTCB240?
The GFCB240 is the standard ground fault breaker, while the GFTCB240 is the newer version that includes an automatic self-test feature to ensure the GFCI circuitry is functioning properly. The GFTCB240 serves as a direct replacement.
What wire sizes can be used with the load terminals on this breaker?
The box lugs accept 14 AWG to 4 AWG copper or aluminum wire. This range easily accommodates the 8 AWG or 6 AWG wire typically required for 40-amp circuits.
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Reviews
Review summary
Customers rate this product 5.0 out of 5 based on 4 reviews.
Total 5 star reviews: 4 Total 4 star reviews: 0 Total 3 star reviews: 0 Total 2 star reviews: 0 Total 1 star reviews: 0
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Rating
4 reviews
- AMAlayna M.Verified BuyerRated 5 out of 5 stars8/12/26Works great already installed
Needed to replace a bad breaker, this one was difficult to find but you had in on hand. Already installed and being used.
- JFJoseph F.Rated 5 out of 5 stars9/8/21exactly what I needed, thank
exactly what I needed, thank you. You well the only supplier that stocked this item
- JBJoe B.Rated 5 out of 5 stars5/29/19Fast and Painless
Inline order easy and fast. Shipping fast. Got what I wanted.
- ALAlan L.Rated 5 out of 5 stars3/9/19Equipment Service Honda North America
Great experience, easy to order, rec’d in timely manner.