ABB / Thomas & Betts FS320080A Molded Case Circuit Breaker
- 80A
- 3 Pole
- Unit Mount
Quantity
ABB / Thomas & Betts FS320080A - 80A 3 Pole Molded Case Circuit Breaker
New
Quantity
Description
Engineered for commercial and industrial power distribution, the ABB FS320080A delivers reliable 80A overcurrent protection. This 3-pole molded case circuit breaker handles heavy-duty electrical loads. It installs into Westinghouse and Eaton F-Frame panelboards, including PRL3a and PRL4 models, plus switchboards and motor control centers. For modern upgrades, it is replaced by the FD3080. The unit features a thermal magnetic trip with fixed LI protection and a 22kAIC rating at 240VAC.Specifications
| Brand | ABB / Thomas & Betts |
|---|---|
| Part Number | FS320080A |
| Series | FS |
| Amperage | 80A |
| Poles | 3 |
| Mounting Style | Unit Mount |
| Voltage | 240VAC |
| Phase | 3 |
| AIC Rating | 22kA @ 240VAC |
| Terminal Type | Lugs |
|---|---|
| For Use With | Westinghouse / Eaton F-Frame Panelboards (e.g., PRL3a, PRL4), 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, Padlock Attachment |
|---|---|
| Accessories | Line and Load Lugs Included |
| Standards | CSA C22.2, UL 489 |
| Approval | CSA, UL |
| Temp Rating | 40C |
| Construction Features | Non-Interchangeable Trip |
Product FAQs
7 answersWhat panelboards accept the FS320080A circuit breaker?
This F-Frame breaker is designed to install into legacy Westinghouse, Cutler-Hammer, and Eaton panelboards, specifically PRL3a and PRL4 models. It is also compatible with standard F-Frame switchboards and motor control centers.
Can I use the Thomas & Betts FS320080A to replace an Eaton or Cutler-Hammer breaker?
Yes. Thomas & Betts FS series breakers are direct equivalents to the legacy Westinghouse, Cutler-Hammer, and Eaton FS frame breakers. You can use the FS320080A to replace an Eaton or Cutler-Hammer breaker with the exact same catalog number and specifications.
Are the line and load lugs included with this breaker?
Yes, the FS320080A comes complete with factory-installed line and load side lug terminals. These lugs are rated for both copper and aluminum conductors ranging from 14 AWG to 1/0 AWG.
Is the trip unit on the FS320080A adjustable for different loads?
No, this breaker features a non-interchangeable thermal magnetic trip unit. Both the long-time thermal and instantaneous magnetic (LI) trip functions are fixed at the factory and cannot be adjusted in the field.
How is the FS320080A mounted inside an enclosure?
This is a unit mount breaker, meaning it bolts directly to the panelboard chassis or mounting pan rather than plugging onto a busbar. Ensure your panel is configured for unit mount F-Frame breakers before installation.
Is the FS320080A suitable for 480V systems?
No, this specific breaker is rated for a maximum of 240V AC. It provides an interrupting capacity of 22kA at 240V AC and must not be installed in 480V or 600V distribution systems.
Does this breaker provide ground fault protection?
No, the FS320080A provides standard thermal magnetic overcurrent and short-circuit protection only. It does not include equipment ground fault protection (GFEP) or life safety ground fault (GFCI) circuitry.
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Reviews
Review summary
Customers rate this product 5.0 out of 5 based on 1 review.
- AOAnthony O.ReviewingEaton / Cutler-Hammer FS340020A - 20A 3 Pole Molded Case Circuit BreakerI recommend this productRated 5 out of 5 stars11/18/21Circuit Breaker Purchase
All circuit breakers were shipped in a timely manner with no mistakes. Thank You!