Eaton / Cutler-HammerBAB3045HS
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Eaton / Cutler-Hammer BAB3045H Miniature Circuit Breaker
- 45A
- 3 Pole
- Bolt-On
Eaton / Cutler-Hammer
BAB3045H
Miniature Circuit Breaker
Brand
Eaton / Cutler-Hammer
SKU
BAB3045H
Quantity
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Eaton / Cutler-Hammer BAB3045H - 45A 3 Pole Miniature Circuit Breaker
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Description
Engineered to accommodate demanding electrical loads, this 45A three-pole breaker features a high-magnetic trip curve. It is ideal for commercial and industrial circuits that experience significant inrush currents during startup. This unit mounts securely into Eaton Pow-R-Line, Cutler-Hammer, and legacy Westinghouse panelboards. It provides an exact drop-in replacement for older QNBL3045 breakers. Rated for 10kAIC at 240VAC, the HACR-certified design ensures consistent and reliable protection.Specifications
| Brand | Eaton / Cutler-Hammer |
|---|---|
| Part Number | BAB3045H |
| Series | BAB |
| Amperage | 45A |
| Poles | 3 |
| Mounting Style | Bolt-On |
| Voltage | 240VAC |
| Phase | 3 |
| AIC Rating | 10kA @ 240VAC |
| Terminal Type | Box Lugs |
|---|---|
| For Use With | Eaton Pow-R-Line Panelboards, Westinghouse Panelboards, Cutler-Hammer Panelboards |
| Wire Gauge | 14-4 AWG (Al/Cu) |
| Max Wire | 4 AWG |
| Min Wire | 14 AWG |
| Trip Technology | Thermal Magnetic |
|---|---|
| Trip Function Code | LI |
| Trip Function | Long-Time, Instantaneous |
| Trip Adjustability | Fixed |
| Available Options | Shunt Trip, Auxiliary Switch, Alarm Switch, Padlock Attachment |
|---|---|
| Standards | CSA C22.2 No. 5, HACR, UL 489 |
| Approval | CSA, UL |
| Temp Rating | 40C |
| Construction Features | HACR Rated, High-Magnetic |
Product FAQs
8 answersWhat panelboards are compatible with the BAB3045H circuit breaker?
This bolt-on breaker installs in Eaton Pow-R-Line series panels, including the PRL1a, PRL1X, and PRL2X. It is also backward compatible with older Westinghouse and Cutler-Hammer bolt-on panelboards.
Can the BAB3045H replace older Westinghouse BAB breakers?
Yes, Eaton currently manufactures the BAB series and it serves as a direct drop-in replacement for obsolete Cutler-Hammer and Westinghouse Quicklag breakers with matching specifications.
Does this breaker feature a high-magnetic trip curve?
Yes, the H in the BAB3045H catalog number indicates a high-magnetic trip setting. This prevents nuisance tripping in commercial or industrial applications that experience significant inrush currents during startup.
Is the BAB3045H rated for HVAC applications?
Yes, all Eaton Quicklag BAB breakers from 15A to 100A are HACR certified, meaning they are approved for use with heating, air conditioning, and refrigeration equipment.
How does the BAB3045H connect to the panelboard bus?
This breaker uses an extended tang line terminal that bolts directly to the panelboard busbar. This ensures a secure, high-torque connection that resists vibration in industrial environments.
Is this breaker suitable for use on 240V delta systems?
Yes, 3-pole 240VAC breakers like the BAB3045H are commonly applied on 3-phase, 3-wire 240V delta systems or the high leg of a midpoint grounded delta system.
Can I install this breaker in a standard residential load center?
No. The BAB3045H is a bolt-on breaker engineered for commercial Pow-R-Line panelboards. It will not fit into residential plug-on load centers, which typically require BR or CH style breakers.
Is the BAB3045H rated for 400 Hz electrical systems?
No, standard Quicklag BAB breakers are not rated for 400 Hz operation. Systems requiring 400 Hz compatibility need a breaker with a G suffix modification.
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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