Free Shipping Over $99
Free Shipping Over $99
Free Shipping Over $99
Free Shipping Over $99
Square D LAL36125 Molded Case Circuit Breaker
- 125A
- 3 Pole
- Unit Mount
Square D
LAL36125
Molded Case Circuit Breaker
Brand
Square D
SKU
LAL36125
Quantity
Shop with Confidence
Add an extra year of protection in your cart.
Square D LAL36125 - 125A 3 Pole Molded Case Circuit Breaker
New
Quantity
Quantity
Square D LAL36125 - 125A 3 Pole Molded Case Circuit Breaker
New
Quantity
| Brand | Square D |
|---|---|
| Part Number | LAL36125 |
| Series | LAL |
| Amperage | 125A |
| Poles | 3 |
| Mounting Style | Unit Mount |
| Voltage | 240VAC, 480VAC, 600VAC, 250VDC |
| Phase | 3 |
| AIC Rating | 42kA @ 240VAC, 30kA @ 480VAC, 22kA @ 600VAC, 10kA @ 250VDC |
| 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, Alarm Switch |
|---|---|
| Accessories | Line and Load Lugs Included |
| Standards | CSA C22.2 No. 5, HACR Rated, IEC 60947-2, UL 489 |
| Approval | CSA, IEC, UL |
| Temp Rating | 40C |
| Construction Features | HACR Rated, Visual Trip Indicator |
Quantity
Square D LAL36125 - 125A 3 Pole Molded Case Circuit Breaker
Re-Certified
Quantity
| Brand | Square D |
|---|---|
| Part Number | LAL36125-R |
| Series | LAL |
| Amperage | 125A |
| Poles | 3 |
| Mounting Style | Unit Mount |
| Voltage | 240VAC, 480VAC, 600VAC, 250VDC |
| Phase | 3 |
| AIC Rating | 42kA @ 240VAC, 30kA @ 480VAC, 22kA @ 600VAC, 10kA @ 250VDC |
| 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, Alarm Switch |
|---|---|
| Accessories | Line and Load Lugs Included |
| Standards | CSA C22.2 No. 5, HACR Rated, IEC 60947-2, UL 489 |
| Approval | CSA, IEC, UL |
| Temp Rating | 40C |
| Construction Features | HACR Rated, Visual Trip Indicator |
Similar Items
175A 3 Pole Molded Case Circuit Breaker
200A 3 Pole Molded Case Circuit Breaker
200A 3 Pole Molded Case Circuit Breaker
Description
Engineered for industrial applications, the Square D LAL36125 provides robust overcurrent defense. This 3-pole, 125A breaker delivers dependable LI protection for heavy-duty systems. Featuring a unit-mount configuration, it integrates easily into Square D enclosures and switchboards. For modern upgrades, this legacy L-Frame is replaced by the PowerPact LJL36125. Rated for 600VAC, it offers a 22 kAIC capacity at 600V. It includes line and load lugs and carries a HACR rating.Specifications
| Brand | Square D |
|---|---|
| Part Number | LAL36125 |
| Series | LAL |
| Amperage | 125A |
| Poles | 3 |
| Mounting Style | Unit Mount |
| Voltage | 240VAC, 480VAC, 600VAC, 250VDC |
| Phase | 3 |
| AIC Rating | 42kA @ 240VAC, 30kA @ 480VAC, 22kA @ 600VAC, 10kA @ 250VDC |
| 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, Alarm Switch |
|---|---|
| Accessories | Line and Load Lugs Included |
| Standards | CSA C22.2 No. 5, HACR Rated, IEC 60947-2, UL 489 |
| Approval | CSA, IEC, UL |
| Temp Rating | 40C |
| Construction Features | HACR Rated, Visual Trip Indicator |
Product FAQs
9 answersWhat enclosures and panels are compatible with the LAL36125?
This unit-mount breaker is designed for use in Square D industrial enclosures, switchboards, and motor control centers. It is not designed for standard load centers or panelboards that require plug-on or I-Line connections.
What is the difference between the Square D LAL and LHL circuit breakers?
Both are legacy L-Frame unit-mount breakers, but the LHL series features a higher interrupting capacity than the standard LAL series. Ensure your system fault current requirements match the breaker ratings before installing.
What is the magnetic trip adjustment range for the LAL36125?
The adjustable magnetic trip on this 125A breaker can be set between 625A (Low) and 1250A (High). This allows electricians to tune the instantaneous trip point for motor inrush currents or selective coordination.
Is the LAL36125 rated for DC voltage applications?
Yes, in addition to its AC ratings up to 600VAC, this breaker is rated for 250VDC with an interrupting capacity of 10kA. This makes it suitable for specific industrial DC control circuits or battery systems.
Can the LAL36125 accept dual wires in its lugs?
Yes, the standard lugs on this breaker can accept either a single wire from 1 AWG to 600 kcmil or two wires from 1 AWG to 250 kcmil. Both aluminum and copper conductors are supported.
How should I determine the correct lug torque for the LAL36125?
Torque specifications vary based on the exact wire size and material used. Always refer to the manufacturer label on the side or front of the breaker for the precise torque values required for a safe and compliant installation.
Is the Square D LAL36125 an obsolete breaker?
The LAL series is a legacy L-Frame breaker. While it is no longer the primary current generation model, it is still widely available for replacements. For modern upgrades, Schneider Electric replaces this frame with the PowerPact L-Frame series, such as the LJL36125.
Can I replace an LAL36125 directly with a PowerPact L-Frame breaker?
The PowerPact L-Frame, like the LJL36125, is the modern replacement for legacy LAL breakers. However, because the physical dimensions and mounting configurations differ, you may need retrofit hardware or a different enclosure mounting pan to complete the upgrade.
What does the Push-to-Trip button on the LAL36125 do?
The Push-to-Trip feature allows you to manually trip the breaker to verify the mechanical operation of the tripping mechanism without exposing yourself to live parts or requiring an actual overcurrent event.
SuperClub
Join free. Get 500 SuperPoints.
Earn points on eligible purchases and redeem them at checkout.
100 SuperPoints = $1 off.
Warranties
Add an extra year of protection
60-Day Warranty
Your purchase includes 60 days of SuperBreakers warranty coverage.
Add a 1-year warranty extension in your cart.
Get a Quote
Don’t see what you’re looking for?
We source obsolete and hard-to-find parts every day.
Shipping
Free Shipping Policy
Parcel shipments with item value over $99 qualify for free economy shipping within the continental US. Please call to confirm special handling instructions. We do not charge a handling fee or require a minimum amount on any order. SuperBreakers does not ship on customer accounts.
Same Day Shipping
We strive to ship out your items the same day the order is placed. In rare circumstances SuperBreakers may reserve up to 5 business days to consolidate orders for complete shipment.
Expedited Shipments
Orders being shipped via Next Day Air, 2 Day Shipping or 3 Day Shipping must be received by 3 PM EST to guarantee same-day shipments. Expedited orders only ship on normal business days. Shipments will NOT be sent out on Saturdays and Sundays.
International Shipping
All International orders require a $1,000 minimum order threshold. Due to the special nature of these shipments, we require that these be placed with a SuperBreakers representative. Additional shipping and instructions will apply. All International Orders are Non-Cancel and Non-Refundable.
Reviews
Review summary
Customers rate this product 5.0 out of 5 based on 7 reviews.
Total 5 star reviews: 7 Total 4 star reviews: 0 Total 3 star reviews: 0 Total 2 star reviews: 0 Total 1 star reviews: 0
Search
Rating
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.