Eaton / Cutler-HammerFS340020A
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Eaton / Cutler-Hammer FS320020A Molded Case Circuit Breaker
- 20A
- 3 Pole
- Unit Mount
Eaton / Cutler-Hammer
FS320020A
Molded Case Circuit Breaker
Brand
Eaton / Cutler-Hammer
SKU
FS320020A
Quantity
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Eaton / Cutler-Hammer FS320020A - 20A 3 Pole Molded Case Circuit Breaker
New
Quantity
Quantity
Eaton / Cutler-Hammer FS320020A - 20A 3 Pole Molded Case Circuit Breaker
New
Quantity
| Brand | Eaton / Cutler-Hammer |
|---|---|
| Part Number | FS320020A |
| Series | FS |
| Amperage | 20A |
| Poles | 3 |
| Mounting Style | Unit Mount |
| Voltage | 240VAC, 250VDC |
| Phase | 3 |
| AIC Rating | 22kA @ 240VAC, 10kA @ 250VDC |
| Terminal Type | Lugs |
|---|---|
| For Use With | Eaton Series C Panelboards, Switchboards, Motor Control Centers |
| Wire Gauge | 14-10 AWG |
| Max Wire | 10 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 Included |
| Standards | CSA C22.2 No. 5, UL 489 |
| Approval | CSA, UL |
| Temp Rating | 40C |
| Construction Features | Non-Interchangeable Trip |
Quantity
Eaton / Cutler-Hammer FS320020A - 20A 3 Pole Molded Case Circuit Breaker
Re-Certified
Quantity
| Brand | Eaton / Cutler-Hammer |
|---|---|
| Part Number | FS320020A |
| Series | FS |
| Amperage | 20A |
| Poles | 3 |
| Mounting Style | Unit Mount |
| Voltage | 240VAC, 250VDC |
| Phase | 3 |
| AIC Rating | 22kA @ 240VAC, 10kA @ 250VDC |
| Terminal Type | Lugs |
|---|---|
| For Use With | Eaton Series C Panelboards, Switchboards, Motor Control Centers |
| Wire Gauge | 14-10 AWG |
| Max Wire | 10 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 Included |
| Standards | CSA C22.2 No. 5, UL 489 |
| Approval | CSA, UL |
| Temp Rating | 40C |
| Construction Features | Non-Interchangeable Trip |
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Description
Engineered for industrial power systems, this 20A F-Frame breaker offers fixed thermal-magnetic protection. The Eaton FS320020A delivers reliable long-time and instantaneous trip functions. It mounts securely into Series C motor control centers and panelboards. Facility managers utilize this unit to maintain existing infrastructure, though it has been succeeded by the FD3020. Capable of handling 22 kAIC at 240VAC, the breaker features a non-interchangeable trip unit and accepts 14-10 AWG wire.Specifications
| Brand | Eaton / Cutler-Hammer |
|---|---|
| Part Number | FS320020A |
| Series | FS |
| Amperage | 20A |
| Poles | 3 |
| Mounting Style | Unit Mount |
| Voltage | 240VAC, 250VDC |
| Phase | 3 |
| AIC Rating | 22kA @ 240VAC, 10kA @ 250VDC |
| Terminal Type | Lugs |
|---|---|
| For Use With | Eaton Series C Panelboards, Switchboards, Motor Control Centers |
| Wire Gauge | 14-10 AWG |
| Max Wire | 10 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 Included |
| Standards | CSA C22.2 No. 5, UL 489 |
| Approval | CSA, UL |
| Temp Rating | 40C |
| Construction Features | Non-Interchangeable Trip |
Product FAQs
7 answersWhat enclosures are compatible with the FS320020A circuit breaker?
This Series C, F-Frame breaker is designed to install into Eaton panelboards, switchboards, and motor control centers.
What is the modern replacement for the FS320020A?
While the FS320020A is still utilized to maintain existing infrastructure, it is a legacy frame that has been succeeded by the FD3020 for newer installations.
Does the FS320020A include terminal lugs?
Yes, the A suffix in the catalog number indicates that standard line and load lugs are factory included.
What wire sizes are accepted by the lugs on this breaker?
The standard lugs on the FS320020A accommodate wire gauges ranging from 14 AWG to 10 AWG.
What protection functions are included in the LI trip unit?
The LI designation indicates that the thermal magnetic trip unit provides Long-Time overload protection and Instantaneous short-circuit protection. Both the thermal and magnetic trip points are fixed on this model.
Can the trip unit on the FS320020A be swapped or upgraded?
No, this breaker features a fixed, non-interchangeable thermal magnetic trip unit.
What does unit mount mean for this breaker?
The FS320020A is a unit mount breaker with a feed-thru connection. It fastens directly to the enclosure backpan rather than plugging onto a panelboard busbar.
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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!