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Eaton / Cutler-Hammer BAB2090S Miniature Circuit Breaker
- 90A
- 2 Pole
- Bolt-On
Eaton / Cutler-Hammer
BAB2090S
Miniature Circuit Breaker
Brand
Eaton / Cutler-Hammer
SKU
BAB2090S
Quantity
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Eaton / Cutler-Hammer BAB2090S - 90A 2 Pole Miniature Circuit Breaker
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Description
Built for commercial and industrial distribution, the BAB2090S is a 90A, two-pole miniature circuit breaker from Eaton's Quicklag series. It delivers reliable thermal-magnetic overcurrent protection for demanding environments. Featuring a bolt-on design, it installs into Eaton Pow-R-Line panelboards and replaces legacy QNBL or BA breakers. Rated 10kAIC at 120/240VAC, this HACR-rated unit includes a factory-installed 120-240VAC shunt trip for remote tripping capabilities.Specifications
| Brand | Eaton / Cutler-Hammer |
|---|---|
| Part Number | BAB2090S |
| Series | BAB |
| Amperage | 90A |
| Poles | 2 |
| Mounting Style | Bolt-On |
| Voltage | 120/240VAC, 24VDC, 48VDC, 62.5VDC, 80VDC |
| Phase | 1 |
| AIC Rating | 10kA @ 120/240VAC, 5kA @ 24VDC, 5kA @ 48VDC, 5kA @ 62.5VDC, 5kA @ 80VDC |
| Frame Type | BAB |
|---|---|
| Terminal Type | Box Lugs |
| For Use With | Eaton Pow-R-Line Panelboards |
| Wire Gauge | 8-1/0 AWG |
| Max Wire | 1/0 AWG |
| Min Wire | 8 AWG |
| Trip Technology | Thermal Magnetic |
|---|---|
| Trip Function Code | LI |
| Trip Function | Long-Time, Instantaneous |
| Trip Adjustability | Fixed Thermal, Fixed Magnetic |
| Available Options | Auxiliary Switch, Alarm Switch, Padlock Attachment, Handle Lock |
|---|---|
| Accessories | Shunt Trip (120-240VAC) |
| Standards | CSA C22.2, HACR, UL 489 |
| Approval | CSA, UL |
| Temp Rating | -25C to 70C |
Product FAQs
6 answersWhat panelboards are compatible with the BAB2090S circuit breaker?
The BAB2090S is a bolt-on miniature circuit breaker designed for use in Eaton Pow-R-Line panelboards. It is also backward compatible and can replace legacy Westinghouse or Cutler-Hammer QNBL or BA breakers in existing panels.
What does the S suffix in the BAB2090S catalog number indicate?
The S suffix signifies that this breaker includes a factory-installed 120-240VAC shunt trip accessory. This allows the breaker to be tripped remotely, which is often required for emergency shut-off systems or remote control applications.
Is the Eaton BAB2090S suitable for HVAC equipment?
Yes. Like all Eaton Quicklag BAB breakers rated from 15A to 100A, the BAB2090S is HACR rated. This certification ensures it is approved for use with heating, air conditioning, and refrigeration equipment.
How does the thermal-magnetic trip unit in the BAB2090S operate?
The non-interchangeable thermal-magnetic trip unit provides dual protection. The thermal component offers a delayed trip for sustained overloads, while the magnetic component provides an instantaneous trip to quickly clear severe short circuits.
Can the trip settings on the BAB2090S be adjusted?
No, the BAB2090S features fixed thermal and fixed magnetic trip settings. The trip unit is non-interchangeable and cannot be modified in the field.
How is the BAB2090S secured inside the panelboard?
This Quicklag breaker features a bolt-on connection. It fastens directly to the panelboard busbar using screws, providing a secure, vibration-resistant connection that is typically required in commercial and industrial environments.
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Reviews
Review summary
Customers rate this product 4.9 out of 5 based on 164 reviews.
Reviews Summary
Generated by AI from 100 most recent customer reviews
Last updated 6/19/26
Customers say these breakers function as intended and arrive quickly. Fast shipping is consistently mentioned across reviews, with many noting timely delivery and secure packaging. Customers appreciate competitive pricing and the availability of items in stock. Products arrive in good condition, well-packaged, and work properly upon installation. Common feedback addresses responsive customer service and reliable order fulfillment. Most customers report smooth purchasing experiences and indicate they will return for future orders.
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Rating
164 reviews
- RSRoss S.Verified BuyerReviewingEaton / Cutler-Hammer BAB1020 - 20A 1 Pole Miniature Circuit BreakerI recommend this productRated 5 out of 5 stars9/21/26Breakers
The right breakers at a great price.
- JHJason H.Verified BuyerReviewingEaton / Cutler-Hammer BAB3080H - 80A 3 Pole Miniature Circuit BreakerI recommend this productRated 5 out of 5 stars9/16/26Excellent Experience
We placed our first order with superbreakers.com recently for a breaker we weren't able to acquire locally. I ordered the breaker way ahead of time because I've had issues with shipping for products purchased online in the past. The estimate for the item when I initially ordered was 3 days. Without adding an expedited shipping options, the breaker arrived the next day. We installed it this week, and so far so good. In my opinion, they sell quality parts and have excellent turn around time. Very impressed.
- REReliant E. S.Verified BuyerReviewingEaton / Cutler-Hammer BAB1030 - 30A 1 Pole Miniature Circuit BreakerI recommend this productRated 5 out of 5 stars8/13/26easy and quick
quick and always has what I need
- LFLincoln F.Verified BuyerReviewingEaton / Cutler-Hammer BAB3030H - 30A 3 Pole Miniature Circuit BreakerI recommend this productRated 5 out of 5 stars8/12/26Mstr Electrician
Came on time, works great! Always good quality, dependable service. Thanks again.
- DNDouglas N.Verified BuyerReviewingEaton / Cutler-Hammer BAB2020 - 20A 2 Pole Miniature Circuit BreakerI recommend this productRated 5 out of 5 stars8/3/26Church
Did the job all is great thank you