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Eaton / Cutler-Hammer FB3050L Molded Case Circuit Breaker
- 50A
- 3 Pole
- Unit Mount
Eaton / Cutler-Hammer
FB3050L
Molded Case Circuit Breaker
Brand
Eaton / Cutler-Hammer
SKU
FB3050L
Quantity
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Eaton / Cutler-Hammer FB3050L - 50A 3 Pole Molded Case Circuit Breaker
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50A 3 Pole Molded Case Circuit Breaker
50A 3 Pole Molded Case Circuit Breaker
Description
Operating as a reliable safeguard for industrial systems, the Eaton FB3050L is a 3-pole, 50A molded case circuit breaker. It features a non-interchangeable thermal magnetic trip unit, providing standard LI protection for demanding electrical networks. This unit mount breaker is compatible with Westinghouse and Cutler-Hammer Pow-R-Line C and FDP panelboards. For modern replacements, the FDB3050 or FD3050 serve as substitutes. Capable of handling 14 kAIC at 600VAC, it is HACR rated.Specifications
| Brand | Eaton / Cutler-Hammer |
|---|---|
| Part Number | FB3050L-R |
| Series | FB |
| Amperage | 50A |
| Poles | 3 |
| Mounting Style | Unit Mount |
| Voltage | 240VAC, 480VAC, 600VAC, 250VDC |
| Phase | 3 |
| AIC Rating | 18kA @ 240VAC, 14kA @ 480VAC, 14kA @ 600VAC, 10kA @ 250VDC |
| Terminal Type | Lugs |
|---|---|
| For Use With | Westinghouse / Cutler-Hammer Pow-R-Line C Panelboards, FDP Panelboards, Switchboards, 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 | Line and Load Lugs |
| Standards | NEMA AB-1, UL 489 |
| Approval | CSA, UL |
| Temp Rating | 40C |
| Construction Features | Reverse Feed, Non-Interchangeable Trip |
Product FAQs
4 answersWhat equipment is compatible with the FB3050L circuit breaker?
The FB3050L is designed for installation in Westinghouse and Cutler-Hammer Pow-R-Line C panelboards, FDP panelboards, switchboards, and motor control centers.
What does the "L" suffix indicate in the FB3050L catalog number?
In Eaton F-frame circuit breakers, the "L" suffix indicates that the breaker is supplied with both line and load terminals (lugs) installed from the factory. Standard F-frame breakers without this suffix typically only include load-side terminals.
Is the FB3050L a direct replacement for older Westinghouse FB breakers?
Yes, Eaton acquired the Westinghouse distribution equipment line. The Cutler-Hammer or Eaton FB3050L is a direct replacement for obsolete Westinghouse FB3050 breakers of the same frame size and specifications.
Does the FB3050L require a rating plug?
No, this breaker features a thermal-magnetic trip unit with fixed thermal and fixed magnetic settings, meaning it operates without the need for a separate rating plug.
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Reviews
Review summary
Customers rate this product 5.0 out of 5 based on 2 reviews.
Total 5 star reviews: 2 Total 4 star reviews: 0 Total 3 star reviews: 0 Total 2 star reviews: 0 Total 1 star reviews: 0
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Rating
2 reviews
- SDSal D.Verified BuyerReviewingEaton / Cutler-Hammer FB3125 - 125A 3 Pole Molded Case Circuit BreakerI recommend this productRated 5 out of 5 stars4/16/26Breakers
Really happy with the breakers and with the quickness they were delivered
- CBChristopher B.ReviewingEaton / Cutler-Hammer FB3015L - 15A 3 Pole Molded Case Circuit BreakerI recommend this productRated 5 out of 5 stars11/8/20AWESOME JOB
Quick response and delivery. Exactly what I wanted.