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Westinghouse FS340025A Circuit Breaker
- 25
- 3 Pole
- Unit
Westinghouse
FS340025A
Circuit Breaker
Brand
Westinghouse
SKU
FS340025A
Quantity
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Westinghouse FS340025A 3 Pole Circuit Breaker
Re-Certified
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Westinghouse FS340025A 3 Pole Circuit Breaker
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| Brand | Westinghouse |
|---|---|
| Part Number | FS340025A |
| Series | FS |
| Amperage | 25 A |
| Poles | 3 |
| Mounting Style | Unit |
| Voltage | 480VAC |
| Phase | 3 |
| AIC Rating | 22kA @ 240VAC, 14kA @ 480VAC, 10kA @ 250VDC |
| Frame Type | FS |
|---|---|
| Terminal Type | Lugs |
| For Use With | Eaton Series C Panelboards, Switchboards, Enclosures |
| 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 | CSA C22.2 No. 5, NEMA AB-1, UL 489 |
| Approval | CSA, UL |
| Temp Rating | 40C |
| Construction Features | Non-Interchangeable Trip, HACR Rated |
Quantity
Westinghouse FS340025A 3 Pole Circuit Breaker
Re-Certified
Quantity
| Brand | Westinghouse |
|---|---|
| Series | FS |
| Amperage | 25 A |
| Poles | 3 |
| Mounting Style | Unit |
| Voltage | 480VAC |
| Phase | 3 |
| AIC Rating | 22kA @ 240VAC, 14kA @ 480VAC, 10kA @ 250VDC |
| Frame Type | FS |
|---|---|
| Terminal Type | Lugs |
| For Use With | Eaton Series C Panelboards, Switchboards, Enclosures |
| 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 | CSA C22.2 No. 5, NEMA AB-1, UL 489 |
| Approval | CSA, UL |
| Temp Rating | 40C |
| Construction Features | Non-Interchangeable Trip, HACR Rated |
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Description
Westinghouse FS340025A 3 Pole Circuit Breaker
The Westinghouse FS340025A is a 3 Pole thermal magnetic molded case circuit breaker with a current rating of 25 Amps and a voltage rating of 480VAC. It has an interrupting rating of 14kAIC at 480V. The FS340025A has a feed-thru connection type and includes long time and instantaneous trip functions.
Specifications
| Brand | Westinghouse |
|---|---|
| Series | FS |
| Amperage | 25 A |
| Poles | 3 |
| Mounting Style | Unit |
| Voltage | 480VAC |
| Phase | 3 |
| AIC Rating | 22kA @ 240VAC, 14kA @ 480VAC, 10kA @ 250VDC |
| Frame Type | FS |
|---|---|
| Terminal Type | Lugs |
| For Use With | Eaton Series C Panelboards, Switchboards, Enclosures |
| 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 | CSA C22.2 No. 5, NEMA AB-1, UL 489 |
| Approval | CSA, UL |
| Temp Rating | 40C |
| Construction Features | Non-Interchangeable Trip, HACR Rated |
Product FAQs
6 answersCan the Eaton FS340025A replace older Westinghouse or Cutler-Hammer versions?
Yes. Eaton acquired the Westinghouse distribution equipment division and later merged with Cutler-Hammer. An FS340025A breaker branded under any of these three names shares the exact same physical dimensions and electrical specifications, making them direct replacements for one another.
What type of panelboards accept the FS340025A breaker?
This F-frame breaker is designed specifically for Eaton Series C panelboards, switchboards, and motor control centers. Because it is a feed-thru, unit-mount design, it can also be installed in standalone NEMA enclosures that accommodate F-frame dimensions.
Does the FS340025A come with line and load terminals?
Yes, this breaker is supplied with standard line and load lugs installed. It is a unit-mount, feed-thru breaker, meaning it bolts directly to the mounting pan or chassis of the enclosure rather than plugging onto a busbar.
Can I adjust the trip settings on the FS340025A?
No. This breaker features a fixed thermal-magnetic trip unit. Both the long-time overload protection and the instantaneous short-circuit protection are factory set and cannot be adjusted in the field.
What does the LI trip function code mean on this breaker?
The LI designation indicates that the thermal-magnetic trip unit provides Long-Time (L) and Instantaneous (I) protection. The long-time function protects against sustained overloads, while the instantaneous function immediately trips the breaker during a severe short circuit.
Is this breaker rated for use with HVAC equipment?
Yes, the FS340025A is HACR rated. This means it has been tested and approved for the specific inrush currents and operational demands of heating, air conditioning, and refrigeration systems.
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Reviews
Review summary
Customers rate this product 5.0 out of 5 based on 1 review.
Total 5 star reviews: 1 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
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!