Eaton / Westinghouse LCL3400 Molded Case Circuit Breaker
- 400A
- 3 Pole
- Bolt-On
Quantity
Eaton / Westinghouse LCL3400 - 400A 3 Pole Molded Case Circuit Breaker
Re-Certified
Quantity
Description
Built for commercial power systems, the Eaton LCL3400 is a 400A, 3-pole Series C molded case circuit breaker. It utilizes microprocessor-based sensing to deliver accurate overcurrent protection. Designed as an exact legacy replacement, this bolt-on MCCB fits seamlessly into Eaton Pow-R-Line C panelboards and motor control centers. The breaker features an adjustable electronic trip unit with long-time and short-time (LS) functions, alongside a robust 200kAIC rating at 480VAC for maximum safety.Specifications
| Brand | Eaton / Westinghouse |
|---|---|
| Part Number | LCL3400 |
| Series | Series C |
| Amperage | 400A |
| Poles | 3 |
| Mounting Style | Bolt-On |
| Voltage | 240VAC, 480VAC, 600VAC |
| Phase | 3 |
| AIC Rating | 200kA @ 240VAC, 200kA @ 480VAC, 100kA @ 600VAC |
| Terminal Type | Lugs |
|---|---|
| For Use With | Eaton Pow-R-Line C Panelboards, Switchboards, Motor Control Centers |
| Wire Gauge | 250-500 kcmil (Al/Cu) |
| Max Wire | 500 kcmil |
| Min Wire | 250 kcmil |
| Trip Technology | Electronic Trip |
|---|---|
| Trip Function Code | LS |
| Trip Function | Long-Time, Short-Time |
| Trip Adjustability | Adjustable |
| Available Options | Shunt Trip, Auxiliary Switch, Undervoltage Release, Alarm Switch, Padlock Attachment |
|---|---|
| Accessories | Lugs Not Included |
| Standards | CSA C22.2 No. 5, UL 489 |
| Approval | CSA, UL |
| Temp Rating | 40C |
| Construction Features | Current Limiting, HACR Rated |
Product FAQs
7 answersWhat frame size is the LCL3400?
The LCL3400 is a Series C L-Frame molded case circuit breaker. It is specifically designed as a current-limiting breaker within the L-Frame family.
What enclosures or panelboards accept this breaker?
This bolt-on breaker is designed for use in Eaton Pow-R-Line C panelboards, switchboards, and motor control centers.
What does the LS trip function indicate on this breaker?
The LS designation means the electronic trip unit features adjustable Long-Time and Short-Time pickup and delay settings. This allows for precise coordination with other breakers in your system without an instantaneous override.
Are the standard lugs on the LCL3400 suitable for aluminum wire?
Yes, the standard lugs accept 250 to 500 kcmil aluminum or copper wire.
Is this breaker interchangeable with Cutler-Hammer or Westinghouse LCL3400 breakers?
Yes. Eaton acquired the Westinghouse distribution equipment business, so the LCL3400 is the exact same physical breaker whether it is branded as Westinghouse, Cutler-Hammer, or Eaton.
Can the trip unit be swapped out in the field?
No, the LCL3400 comes complete with a non-interchangeable electronic trip unit.
Does this breaker provide current-limiting protection?
Yes, the LCL type is a current-limiting circuit breaker. It is designed to rapidly clear faults and restrict let-through current, minimizing potential damage to downstream equipment.
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