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Eaton / Cutler-Hammer QCGF2040 GFCI Miniature Circuit Breaker
- 40A
- 2 Pole
- Unit Mount
Eaton / Cutler-Hammer
QCGF2040
GFCI Miniature Circuit Breaker
Brand
Eaton / Cutler-Hammer
SKU
QCGF2040
Quantity
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Eaton / Cutler-Hammer QCGF2040 - 40A GFCI Miniature Circuit Breaker
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Description
Engineered for commercial and industrial applications, the Eaton QCGF2040 delivers reliable ground-fault protection for 120/240V systems. This 40-amp miniature circuit breaker is designed with box lug terminals for secure connections. It mounts into Eaton Quicklag panelboards and DIN rail enclosures, serving as a direct predecessor to the newer QCGFT2040 self-test model. Featuring a 10kAIC rating and 5mA trip sensitivity, it provides essential personnel protection against electrical shocks.Specifications
| Brand | Eaton / Cutler-Hammer |
|---|---|
| Part Number | QCGF2040 |
| Series | QCGF |
| Amperage | 40A |
| Poles | 2 |
| Mounting Style | Unit Mount |
| Voltage | 120/240VAC |
| Phase | 1 |
| AIC Rating | 10kA @ 120/240VAC |
| Frame Type | QCGF |
|---|---|
| Terminal Type | Box Lugs |
| For Use With | Eaton Quicklag Panelboards, DIN Rail Enclosures |
| Wire Gauge | 14-4 AWG |
| 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 | Line and Load Lugs Included |
| Standards | CSA C22.2, UL 489, UL 943 |
| Approval | CSA, UL |
| Temp Rating | 40C |
| Construction Features | HACR Rated, Non-Interchangeable Trip, Common Trip |
Product FAQs
7 answersWhat panelboards are compatible with the QCGF2040?
This breaker is designed for use in Eaton Quicklag panelboards and compatible DIN rail enclosures.
Can the QCGF2040 be mounted on a DIN rail?
Yes, this cable-in/cable-out breaker can be DIN rail mounted using the Eaton QCDINADAPT adapter plate.
What is the ground fault trip sensitivity of the QCGF series?
The QCGF2040 features a 5mA trip sensitivity, providing Class A personnel protection against electrical shocks.
How does the QCGF2040 connect to the neutral bar?
It utilizes a pigtail neutral wire that must be connected directly to the panel neutral bus for the ground fault circuitry to operate correctly.
What type of wire connections does this breaker use?
It features feed-thru box lugs designed for cable-in/cable-out installations, accepting 14 AWG to 4 AWG wiring.
What is the self-test equivalent for the QCGF2040?
The QCGFT2040 is the newer self-test version that serves as a direct replacement for the standard QCGF2040.
What type of protection does the QCGF2040 provide?
It combines standard thermal-magnetic overcurrent protection (long-time and instantaneous trip functions) with 5mA Class A ground-fault personnel protection.
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