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Eaton / Cutler-Hammer FDB2045 Molded Case Circuit Breaker
- 45A
- 2 Pole
- Bolt-On
Eaton / Cutler-Hammer
FDB2045
Molded Case Circuit Breaker
Brand
Eaton / Cutler-Hammer
SKU
FDB2045
Quantity
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Eaton / Cutler-Hammer FDB2045 - 45A 2 Pole Molded Case Circuit Breaker
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Description
Built for commercial and marine applications, the Eaton FDB2045 is a 2-pole, 45A molded case circuit breaker offering dependable overcurrent protection. This Series C, F-Frame device utilizes a fixed thermal-magnetic trip unit to provide precise long-time and instantaneous (LI) defense. It mounts into Eaton Series C panelboards and switchboards via a secure bolt-on connection. With an interrupting capacity of 14 kAIC at 480VAC, it ensures reliable performance in heavy-duty electrical systems.Specifications
| Brand | Eaton / Cutler-Hammer |
|---|---|
| Part Number | FDB2045 |
| Series | FDB |
| Amperage | 45A |
| Poles | 2 |
| Mounting Style | Bolt-On |
| Voltage | 240VAC, 480VAC, 600VAC, 250VDC |
| Phase | 1 |
| AIC Rating | 18kA @ 240VAC, 14kA @ 480VAC, 14kA @ 600VAC, 10kA @ 250VDC |
| Frame Type | FD |
|---|---|
| Terminal Type | Lugs |
| For Use With | Eaton Series C Panelboards, Switchboards |
| 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, Padlock Attachment |
|---|---|
| Accessories | Load Side Lugs |
| 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, HID Rated, Non-Interchangeable Trip |
Product FAQs
6 answersWhat panelboards are compatible with the FDB2045?
This breaker is designed for installation in Eaton Series C panelboards and switchboards. It utilizes a standard bolt-on connection.
Can the FDB2045 be reverse fed?
Yes, Eaton Series C F-frame thermal-magnetic circuit breakers are suitable for reverse feed applications.
What is the difference between Eaton FDB, FD, and HFD circuit breakers?
These breakers share the same physical F-frame dimensions and footprint but differ in their interrupting capacities. The FDB is rated for 14 kAIC at 480VAC, while the FD and HFD offer higher interrupting ratings of 35 kAIC and 65 kAIC at 480VAC, respectively.
Are the trip settings adjustable on this breaker?
No, the FDB2045 features a fixed thermal and fixed magnetic trip unit. It provides standard long-time and instantaneous protection without adjustable dials.
Is the FDB2045 HACR rated?
Yes, Eaton Series C F-frame circuit breakers are HACR rated, making them suitable for use with heating, air conditioning, and refrigeration equipment.
What wire sizes and materials are accepted by the standard lugs?
The factory-installed lugs on the FDB2045 accept 14 AWG through 1/0 AWG copper or aluminum (Cu/Al) conductors.
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Reviews
Review summary
Customers rate this product 5.0 out of 5 based on 2 reviews.
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Rating
2 reviews
- BBrentVerified BuyerReviewingEaton / Cutler-Hammer FDB3060 - 60A 3 Pole Molded Case Circuit BreakerI recommend this productRated 5 out of 5 stars9/18/26Breaker was as expected.
Breaker was clean, you could not tell it was used.
- RFRussell F.Verified BuyerReviewingEaton / Cutler-Hammer FDB3025 - 25A 3 Pole Molded Case Circuit BreakerI recommend this productRated 5 out of 5 stars2/24/26Right product, right time
This is what I needed, and I got it in time.