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Eaton / Cutler-Hammer GHC2020 Molded Case Circuit Breaker
- 20A
- 2 Pole
- Unit Mount
Eaton / Cutler-Hammer
GHC2020
Molded Case Circuit Breaker
Brand
Eaton / Cutler-Hammer
SKU
GHC2020
Quantity
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Eaton / Cutler-Hammer GHC2020 - 20A 2 Pole Molded Case Circuit Breaker
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Description
Built for commercial applications, the Eaton GHC2020 is a 2-pole, 20A molded case circuit breaker. As part of the Series C G-Frame lineup, it provides consistent long-time and instantaneous (LI) protection. The unit-mount configuration allows for seamless integration into Eaton Series C enclosures and OEM panels. It includes factory-installed lugs that accept 14-1/0 AWG conductors. Featuring a 14 kAIC rating at 480Y/277VAC, this thermal-magnetic breaker is HACR rated and reverse feed capable.Specifications
| Brand | Eaton / Cutler-Hammer |
|---|---|
| Part Number | GHC2020 |
| Series | GHC |
| Amperage | 20A |
| Poles | 2 |
| Mounting Style | Unit Mount |
| Voltage | 240VAC, 480Y/277VAC, 125/250VDC |
| Phase | 1 |
| AIC Rating | 65kA @ 240VAC, 14kA @ 480Y/277VAC, 14kA @ 125/250VDC |
| Frame Type | GHC |
|---|---|
| Terminal Type | Lugs |
| For Use With | Eaton Series C Enclosures, OEM Panels, DIN Rail (with adapter) |
| Wire Gauge | 14-1/0 AWG |
| Max Wire | 1/0 AWG |
| Min Wire | 14 AWG |
| Trip Technology | Thermal Magnetic |
|---|---|
| Trip Function Code | LI |
| Trip Function | Long-Time, Instantaneous |
| Trip Adjustability | Fixed Thermal, Fixed Magnetic |
| Available Options | Shunt Trip, Auxiliary Switch, Undervoltage Release, Alarm Switch, Padlock Attachment |
|---|---|
| Accessories | Line and Load Lugs Included |
| Standards | CSA C22.2 No. 5, IEC 60947-2, NEMA AB 1, UL 489 |
| Approval | CSA, UL |
| Temp Rating | 40C |
| Construction Features | HACR Rated, Reverse Feed, Non-Interchangeable Trip, Common Trip |
Product FAQs
6 answersCan the GHC2020 be mounted on a standard DIN rail?
Yes, this unit mount breaker can be installed on a DIN rail, but it requires a separate Eaton DIN rail adapter plate for proper mounting in control panels.
Can this breaker be used on a straight 480V ungrounded delta system?
No. The 480Y/277VAC rating indicates it is strictly for use on solidly grounded wye systems where the voltage to ground does not exceed 277V. It is not rated for 480V delta or ungrounded systems.
Will the GHC2020 fit in a standard BR or CH residential load center?
No, the GHC frame is a unit mount molded case circuit breaker designed for industrial control panels, OEM machinery, and Series C enclosures. It does not snap or bolt into standard residential load centers.
Can the Eaton GHC2020 replace older Cutler-Hammer GHC breakers?
Yes, Eaton acquired Cutler-Hammer, and the product lines are identical. A modern Eaton GHC2020 is a direct, drop-in replacement for legacy Cutler-Hammer or Westinghouse breakers bearing the same GHC2020 catalog number.
Is the GHC2020 suitable for reverse feed applications?
Standard thermal magnetic molded case circuit breakers without specific Line and Load markings are generally suitable for reverse feeding. You must verify the faceplate of your specific unit for any directional markings before backfeeding.
Are the thermal and magnetic trip points adjustable on this model?
No, the GHC2020 features fixed thermal and fixed magnetic trip elements. If your application requires adjustable trip settings, you will need to select a different frame or trip unit within the Series C family.
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Reviews
Review summary
Customers rate this product 5.0 out of 5 based on 1 review.
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1 review
- WSWilliam S.ReviewingEaton / Cutler-Hammer GHC2030 - 30A 2 Pole Molded Case Circuit BreakerI recommend this productRated 5 out of 5 stars5/13/22Good Experience
Everything came in as described and on time