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Eaton / Westinghouse L3250 Molded Case Circuit Breaker
- 250A
- 3 Pole
- Unit Mount
Eaton / Westinghouse
L3250
Molded Case Circuit Breaker
Brand
Eaton / Westinghouse
SKU
L3250
Quantity
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Eaton / Westinghouse L3250 - 250A 3 Pole Molded Case Circuit Breaker
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Description
A drop-in replacement for legacy Westinghouse systems, the Eaton L3250 is a 3-pole, 250A molded case circuit breaker. It is built for demanding commercial and industrial power distribution. This unit-mount MCCB installs into older PB frame panelboards and motor control centers. It serves as an exact cross-reference for LA3250 and LD3250, eliminating the need for retrofit adapters. Rated 22kAIC at 480VAC, it features an interchangeable thermal-magnetic trip unit and includes load side lugs.Specifications
| Brand | Eaton / Westinghouse |
|---|---|
| Part Number | L3250-R |
| Series | L |
| Amperage | 250A |
| Poles | 3 |
| Mounting Style | Unit Mount |
| Voltage | 240VAC, 480VAC, 600VAC, 250VDC |
| Phase | 3 |
| AIC Rating | 42kA @ 240VAC, 22kA @ 480VAC, 22kA @ 600VAC, 10kA @ 250VDC |
| Terminal Type | Lugs |
|---|---|
| For Use With | Westinghouse Panelboards, Switchboards, Motor Control Centers |
| Wire Gauge | 6 AWG - 350 kcmil |
| Max Wire | 350 kcmil |
| Min Wire | 6 AWG |
| Trip Technology | Thermal Magnetic |
|---|---|
| Trip Function Code | LI |
| Trip Function | Long-Time, Instantaneous |
| Trip Adjustability | Fixed Thermal, Adjustable Magnetic |
| Available Options | Shunt Trip, Auxiliary Switch, Undervoltage Release, Alarm Switch |
|---|---|
| Accessories | Load Side Lugs Included |
| Standards | NEMA AB-1, UL 489 |
| Approval | CSA, UL |
| Temp Rating | 40C |
| Construction Features | Interchangeable Trip Unit |
Product FAQs
7 answersWhat equipment is compatible with the L3250 circuit breaker?
This unit-mount breaker is designed for installation in legacy Westinghouse panelboards, switchboards, and motor control centers utilizing PB frames.
Can the L3250 replace older LA3250 or LD3250 breakers?
Yes, it serves as an exact drop-in replacement for legacy LA3250 and LD3250 molded case circuit breakers, eliminating the need for retrofit adapters.
How is the trip unit configured on this model?
It utilizes a thermal-magnetic trip unit with a fixed thermal element for long-time overload protection and an adjustable magnetic element for instantaneous short-circuit response.
Does this breaker support direct current (DC) applications?
Yes, in addition to standard AC systems up to 600VAC, it is rated for use in DC applications up to 250VDC with a 10kA interrupting capacity.
Are the terminal lugs included, and what wire sizes do they accept?
The breaker comes complete with load-side lug terminals designed to accommodate wire gauges from 6 AWG up to 350 kcmil.
How does this breaker mount into an enclosure?
The L3250 is a unit-mount, bolt-on circuit breaker that fastens securely to the buswork of compatible Westinghouse distribution equipment.
Is this an Eaton or Westinghouse product?
The L3250 is originally a legacy Westinghouse design. Since Eaton acquired the Westinghouse distribution equipment line, these breakers fall under the Eaton and Cutler-Hammer parent brands.
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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
- JHJoel H.ReviewingWestinghouse L56D Contact BlockI recommend this productRated 5 out of 5 stars2/28/18Owner
Product was exactly as described, will use again in the future.