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Eaton / Cutler-Hammer QCGF2020 GFCI Miniature Circuit Breaker
- 20A
- 2 Pole
- Unit Mount
Eaton / Cutler-Hammer
QCGF2020
GFCI Miniature Circuit Breaker
Brand
Eaton / Cutler-Hammer
SKU
QCGF2020
Quantity
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Eaton / Cutler-Hammer QCGF2020 - 20A GFCI Miniature Circuit Breaker
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Description
Built for commercial applications, this 20-amp Quicklag breaker delivers reliable thermal-magnetic and 5mA ground fault protection. It meets strict safety requirements for wet locations. The unit-mount design fastens into Eaton Quicklag panelboards or DIN rail enclosures. This model is superseded by the QCGFT2020 self-testing version. Equipped with standard box lugs, it provides a 10kAIC rating. The HACR-rated construction ensures dependable HVAC performance.Specifications
| Brand | Eaton / Cutler-Hammer |
|---|---|
| Part Number | QCGF2020 |
| Series | QCGF |
| Amperage | 20A |
| Poles | 2 |
| Mounting Style | Unit Mount |
| Voltage | 120/240VAC |
| Phase | 1 |
| AIC Rating | 10kA @ 120/240VAC |
| 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
8 answersWhat enclosures and panelboards are compatible with the QCGF2020?
This unit-mount breaker is designed for use with Eaton Quicklag panelboards and DIN rail enclosures. It utilizes a cable-in/cable-out connection rather than a standard plug-on or bolt-on design.
What is the ground fault trip sensitivity of the QCGF2020?
The QCGF2020 provides a 5mA trip sensitivity. This is the standard for Class A ground fault circuit interrupters (GFCI) designed to provide personnel protection against electrical shock in wet locations.
Is there a newer self-testing version of the QCGF2020 available?
Yes, the QCGF2020 has been superseded by the QCGFT2020. The QCGFT2020 is a direct replacement that includes an auto-monitoring self-test feature to routinely verify the GFCI circuitry, meeting updated UL safety standards.
How does the QCGF2020 connect to the circuit?
This breaker uses a feed-thru, cable-in/cable-out connection with standard box lugs on both the line and load sides. It also includes a pigtail neutral wire that must be connected to the panel neutral bar for the GFCI function to operate correctly.
Is the QCGF2020 HACR rated for HVAC applications?
Yes, this Quicklag breaker is HACR rated, making it suitable for use with heating, air conditioning, and refrigeration equipment that requires a 20A, 2-pole GFCI breaker.
Can I use the QCGF2020 in place of a QBGF2020 breaker?
No. While both are 20A, 2-pole GFCI breakers in the Quicklag family, they have different mounting styles. The QCGF2020 is a unit-mount, cable-in/cable-out breaker, whereas the QBGF2020 is a bolt-on breaker designed for Eaton Pow-R-Line panelboards.
What wire sizes are accepted by the box lugs on the QCGF2020?
The line and load box lugs on this breaker accept wire ranging from 14 AWG to 4 AWG. Ensure proper torque specifications are followed during installation.
What does the LIG trip function on the QCGF2020 indicate?
The LIG designation means this thermal-magnetic breaker provides Long-Time overload protection, Instantaneous short-circuit protection, and Ground-Fault protection in a single unit.
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