Eaton / Cutler-HammerFS340050A
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Eaton / Cutler-Hammer FS320050A Molded Case Circuit Breaker
- 50A
- 3 Pole
- Unit Mount
Eaton / Cutler-Hammer
FS320050A
Molded Case Circuit Breaker
Brand
Eaton / Cutler-Hammer
SKU
FS320050A
Quantity
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Eaton / Cutler-Hammer FS320050A - 50A 3 Pole Molded Case Circuit Breaker
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Description
Built for demanding industrial environments, the Eaton FS320050A is a 50-amp, 3-pole molded case circuit breaker. As part of the Series C F-frame lineup, it ensures reliable power distribution and equipment defense. This unit-mount MCCB integrates seamlessly into Eaton Series C switchboards, panelboards, and motor control centers. For facilities updating their infrastructure, this legacy model is officially replaced by the FD3050 breaker. It features a non-interchangeable trip unit.Specifications
| Brand | Eaton / Cutler-Hammer |
|---|---|
| Part Number | FS320050A-R |
| Series | FS |
| Amperage | 50A |
| 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 | 14-1/0 AWG |
| 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 Included |
| Standards | CSA C22.2 No. 5, UL 489 |
| Approval | CSA, UL |
| Temp Rating | 40C |
| Construction Features | Non-Interchangeable Trip |
Product FAQs
7 answersWhich panelboards and enclosures are compatible with the FS320050A?
This F-Frame breaker is designed for use in Eaton Series C panelboards, switchboards, and motor control centers.
Is the FS320050A still in active production, or is there a direct replacement?
The FS320050A is a legacy component. For facility upgrades or new installations, it is officially superseded by the Eaton FD3050 molded case circuit breaker.
Does this breaker mount by plugging into the bus or bolting on?
The FS320050A is a unit mount breaker, meaning it bolts directly into the enclosure or mounting plate rather than plugging into a busbar.
Are the line and load lugs included with this breaker?
Yes, it comes equipped with standard line and load side lug terminals that accept 14 to 1/0 AWG wire.
Can the trip settings on the FS320050A be adjusted in the field?
No, this breaker features a non-interchangeable thermal-magnetic trip unit with fixed long-time and instantaneous (LI) trip functions.
Is this breaker rated for DC applications?
Yes, in addition to its 240VAC rating, it is rated for 250VDC systems with an interrupting capacity of 10kA.
What type of fault protection does the FS320050A provide?
It utilizes a thermal-magnetic trip unit to provide both long-time overload protection and instantaneous short-circuit protection.
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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!