Eaton QB3040GF Ground Fault Circuit Breaker
- 40A
- 3 Pole
- Bolt-On
Quantity
Eaton QB3040GF 3 Pole Ground Fault Circuit Breaker
New
Quantity
Description
Eaton QB3040GF 3 Pole Ground Fault Circuit Breaker
The Eaton QB3040GF is a 3 Pole molded case ground fault circuit breaker with a current rating of 40 Amps and a voltage rating of 208Y/120V. It has an interrupting rating of 10kAIC. The QB3040GF has a bolt-on mounting type.
Specifications
| Brand | Eaton |
|---|---|
| Series | QB |
| Amperage | 40A |
| Poles | 3 |
| Mounting Style | Bolt-On |
| Voltage | 208Y/120VAC |
| Phase | 3 |
| AIC Rating | 10kA @ 208Y/120VAC |
| Terminal Type | Box Lugs |
|---|---|
| For Use With | Eaton Quicklag Panelboards |
| Wire Gauge | 14-4 AWG |
| Max Wire | 4 AWG |
| Min Wire | 14 AWG |
| Trip Technology | Thermal Magnetic |
|---|---|
| Trip Function Code | LI |
| Trip Function | Long-time, Instantaneous |
| Trip Adjustability | Fixed Thermal, Fixed Magnetic |
| Special Classification | GFCI |
|---|---|
| Approval | UL |
Product FAQs
6 answersWhat panelboards are compatible with the Eaton QB3040GF?
This breaker is designed for use in Eaton, Cutler-Hammer, and Westinghouse Quicklag panelboards, including Pow-R-Line and Pow-R-Stock series enclosures.
What is the ground fault trip sensitivity for this breaker?
It features a 5mA trip sensitivity, providing Class A ground fault personnel protection for branch circuits.
How is the neutral connection handled on this GFCI breaker?
The breaker includes a factory-installed pigtail neutral wire that must be routed and connected to the panel neutral bus bar for the ground fault detection to operate correctly.
Can this breaker be installed on a 240V Delta system?
No, the QB3040GF is specifically rated for 208Y/120V solid-grounded Wye systems. It is not designed for 240V Delta or 480V applications.
Can this breaker replace an older Cutler-Hammer QB3040GF?
Yes, Eaton manufactures this breaker as a direct replacement for legacy Cutler-Hammer and Westinghouse models with the exact same catalog number.
Does this breaker provide arc fault (AFCI) protection?
No, this model is strictly a ground fault circuit interrupter (GFCI) designed for personnel protection. It does not include arc fault detection.
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Reviews
Review summary
Customers rate this product 5.0 out of 5 based on 1 review.
- MCMarcos C.Verified BuyerReviewingEaton / Cutler-Hammer QB1030GF - 30A GFCI Miniature Circuit BreakerI recommend this productRated 5 out of 5 stars11/20/25circuit breakers
good product and showed up on time