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Eaton / Westinghouse G3090 Molded Case Circuit Breaker
- 90A
- 3 Pole
- Bolt-On
Eaton / Westinghouse
G3090
Molded Case Circuit Breaker
Brand
Eaton / Westinghouse
SKU
G3090
Quantity
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Eaton / Westinghouse G3090 - 90A 3 Pole Molded Case Circuit Breaker
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Description
Designed to maintain existing commercial power systems, the 90A Eaton G3090 delivers dependable overcurrent protection. This three-pole MCCB handles up to 600VAC. The unit mounts into vintage Westinghouse panelboards and motor control centers. It acts as an exact fit for facilities replacing older breakers without upgrading enclosures. With an 18kAIC rating at 240VAC and reverse feed support, it provides a seamless cross-reference for GHB3090 and GD3090 units.Specifications
| Brand | Eaton / Westinghouse |
|---|---|
| Part Number | G3090-R |
| Series | G |
| Amperage | 90A |
| Poles | 3 |
| Mounting Style | Bolt-On |
| Voltage | 240VAC, 480VAC, 600VAC, 250VDC |
| Phase | 3 |
| AIC Rating | 18kA @ 240VAC, 14kA @ 480VAC, 10kA @ 600VAC, 14kA @ 250VDC |
| Terminal Type | Lugs |
|---|---|
| For Use With | Westinghouse Panelboards, Motor Control Centers |
| Wire Gauge | 14-1/0 AWG (Cu/Al) |
| 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 |
|---|---|
| Accessories | Load Side Lugs Included |
| Standards | Federal Specification W-C-375b, IEC 60947-2, NEMA AB 1, UL 489 |
| Approval | CSA, UL |
| Temp Rating | 40C |
| Construction Features | HACR Rated, Reverse Feed, Non-Interchangeable Trip |
Product FAQs
7 answersWhich panelboards are compatible with the G3090 circuit breaker?
This breaker is designed to mount into vintage Westinghouse panelboards and motor control centers. It provides an exact fit for facilities replacing older G-frame breakers without needing to upgrade the existing enclosure.
Can the G3090 be used to replace other Westinghouse breakers?
Yes, this breaker provides a seamless cross-reference for older GHB3090 and GD3090 units, allowing you to maintain existing commercial power systems.
Is the G3090 circuit breaker suitable for reverse feed applications?
Yes, this breaker supports reverse feed installations. It features a bolt-on mounting style and comes complete with load side lug terminals.
What wire sizes are accepted by the lugs on this breaker?
The included lugs accept copper or aluminum wire ranging from 14 AWG up to 1/0 AWG.
What industry standards does the G3090 meet?
This breaker is UL 489 listed and CSA approved. It also meets NEMA AB 1, IEC 60947-2, and Federal Specification W-C-375b standards, and is HACR rated for use with heating, air conditioning, and refrigeration equipment.
Does this breaker have an adjustable trip unit?
No, the G3090 features a non-interchangeable thermal-magnetic trip unit with fixed long-time and instantaneous trip functions.
What is the ambient temperature rating for this breaker?
The G3090 is calibrated for use in environments with an ambient temperature of 40 degrees Celsius.
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Reviews
Review summary
Customers rate this product 5.0 out of 5 based on 4 reviews.
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Rating
4 reviews
- TFThomas F.Verified BuyerRated 5 out of 5 stars10/6/25Quick shipping
They got me what I needed on time—-perfect transaction
- BJBrandon J.ReviewingEaton HLK6 Padlock DeviceI recommend this productRated 5 out of 5 stars1/23/23item correct - shipped fast
got the order in 15 minutes before their next day cut off. it arrived early the next morning. cant ask for much more.
- AFAndrew F.ReviewingEaton/Cutler-Hammer TA1000NB1 Lug KitI recommend this productRated 5 out of 5 stars9/7/21great Service
great service and assistance, had my parts overnight
- KPKen P.Rated 5 out of 5 stars1/17/18great service
product received as promised. good pricing