Square D LAL36250-2100 LAL362502100 - 250A 3 Pole Molded Case Circuit Breaker
- 250A
- 3 Pole
- Unit Mount
Quantity
Square D LAL362502100 - 250A 3 Pole Molded Case Circuit Breaker
New
Quantity
Description
Part of the legacy L-Frame series, this 250A molded case circuit breaker delivers robust LI (Long-Time, Instantaneous) protection for commercial applications. It features a factory-installed normally open alarm switch to signal trip conditions. Designed for unit mount configurations, it installs into Square D industrial enclosures, switchboards, and motor control centers. For modern upgrades, it is replaced by the LJL36250 model.Specifications
| Brand | Square D |
|---|---|
| Part Number | LAL36250-2100 |
| Series | LAL |
| Amperage | 250A |
| Poles | 3 |
| Mounting Style | Unit Mount |
| Voltage | 240VAC, 480VAC, 600VAC, 250VDC |
| Phase | 3 |
| AIC Rating | 42kA @ 240VAC, 30kA @ 480VAC, 22kA @ 600VAC, 10kA @ 250VDC |
| Frame Type | LAL |
|---|---|
| Terminal Type | Lugs |
| For Use With | Square D Industrial Enclosures, Switchboards, Motor Control Centers |
| Wire Gauge | (1) 1 AWG-600 kcmil (Al/Cu) or (2) 1 AWG-250 kcmil (Al/Cu) |
| Max Wire | 600 kcmil |
| Min Wire | 1 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 |
|---|---|
| Accessories | Alarm Switch |
| Standards | CSA C22.2 No. 5, IEC 60947-2, NEMA AB 1, UL 489 |
| Approval | CSA, IEC, UL |
| Temp Rating | 40C |
| Construction Features | HACR Rated |
Product FAQs
7 answersWhat equipment is compatible with the LAL36250-2100 circuit breaker?
This unit mount breaker is designed for installation in Square D industrial enclosures, switchboards, and motor control centers.
What does the -2100 suffix mean on this Square D breaker?
The -2100 suffix indicates the breaker comes with a factory-installed normally open alarm switch, also known as a bell alarm, which signals when a trip condition occurs.
What wire sizes are accepted by the terminals on the LAL36250-2100?
The factory-installed line and load side lugs accept either a single 1 AWG to 600 kcmil wire or two 1 AWG to 250 kcmil wires per phase. The lugs are rated for both aluminum and copper conductors.
How is the trip unit configured on the LAL36250-2100?
It utilizes a thermal-magnetic trip unit providing long-time and instantaneous (LI) protection. The thermal element is fixed, while the magnetic trip setting is adjustable to suit specific application needs.
What is the modern replacement for the legacy LAL36250-2100?
For modern panel upgrades, this legacy L-Frame breaker is typically replaced by the Square D PowerPact L-Frame series, specifically the LJL36250 model. Verify enclosure compatibility before upgrading.
Can the LAL36250-2100 be used in direct current applications?
Yes, in addition to standard AC ratings, this breaker is rated for DC applications up to 250VDC with a 10kA interrupting capacity.
Does this breaker plug into a panelboard bus?
No, the LAL36250-2100 is a unit mount, feed-thru circuit breaker. It does not plug onto a bus and instead relies on standalone mounting within compatible enclosures or switchboards.
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Reviews
Review summary
Customers rate this product 5.0 out of 5 based on 7 reviews.
- MBmike b.Verified BuyerReviewingSquare D LAL36350 - 350A 3 Pole Molded Case Circuit BreakerI recommend this productRated 5 out of 5 stars7/15/26LAL36350MB
OLINE ORDERING WAS EASY AND I RECEIVED THE BREAKER QUICKLY
- GCGlenn C.Verified BuyerReviewingSquare D LAL36400 - 400A 3 Pole Molded Case Circuit BreakerI recommend this productRated 5 out of 5 stars2/27/26Breaker
I like the great price. Great service
- MIMarietta I.Verified BuyerReviewingSquare D LAL36400 - 400A 3 Pole Molded Case Circuit BreakerI recommend this productRated 5 out of 5 stars1/27/26Great service
Received the breakers in time. My account mgr Mike is awesome.
- TBTerry B.Verified BuyerReviewingSquare D LAL36400 - 400A 3 Pole Molded Case Circuit BreakerI recommend this productRated 5 out of 5 stars1/5/26RECERTIFIED BREAKER
Breaker was received in good condition and seems to work correctly
- LBLISA B.Verified BuyerReviewingSquare D LAL36400 - 400A 3 Pole Molded Case Circuit BreakerI recommend this productRated 5 out of 5 stars7/28/25good [product
Expeditious delivery, great product and amazing customer service.