Square D LAL36150-1021 LAL361501021 - 150A 3 Pole Molded Case Circuit Breaker
- 150A
- 3 Pole
- Unit Mount
Quantity
Square D LAL361501021 - 150A 3 Pole Molded Case Circuit Breaker
New
Quantity
Description
Part of the legacy L-Frame series, the Square D LAL36150-1021 delivers robust thermal-magnetic protection. This 150A breaker includes a 120-240VAC shunt trip for remote tripping. Designed for unit-mount configurations, it integrates into Square D industrial enclosures and switchboards. It serves as a direct replacement for older LAL installations. Rated for 22 kAIC at 600VAC, it ensures dependable performance. It is replaced by the LGL36150, which requires a separate shunt trip accessory.Specifications
| Brand | Square D |
|---|---|
| Series | LAL |
| Amperage | 150A |
| 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 | L |
|---|---|
| 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 | Auxiliary Switch, Alarm Switch, Undervoltage Release |
|---|---|
| Accessories | Shunt Trip (Factory Installed), Line and Load Lugs (AL400LA) |
| 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, Mercury Free, PVC Free, RoHS Compliant |
Product FAQs
7 answersWhat does the -1021 suffix indicate on the Square D LAL36150-1021?
The -1021 suffix designates a factory-installed 120-240VAC shunt trip. This allows the circuit breaker to be opened remotely by an automated control system or emergency stop button.
What is the modern replacement for the legacy LAL36150-1021 circuit breaker?
The legacy LAL frame is typically replaced by the Square D PowerPact L-Frame series. To match the original 22 kAIC rating at 600VAC, the LJL36150 is recommended. A separate 120-240VAC shunt trip accessory must be ordered for the PowerPact breaker to replicate the -1021 remote trip functionality.
What wire sizes are compatible with the lugs on the LAL36150-1021?
The standard AL400LA line and load lugs accept either one 1 AWG to 600 kcmil aluminum or copper wire, or two 1 AWG to 250 kcmil aluminum or copper wires per phase.
Where can the LAL36150-1021 be installed?
This unit-mount circuit breaker is designed for use in compatible Square D industrial enclosures, switchboards, and motor control centers. It is not designed for I-Line panelboards, which require a plug-on mounting style.
Are the trip settings adjustable on the LAL36150-1021?
The thermal overload protection is fixed at 150 amps, but the magnetic instantaneous short-circuit trip is adjustable. This allows for precise coordination with other protective devices in your electrical system.
What are the physical dimensions of the LAL36150-1021 circuit breaker?
This L-Frame molded case circuit breaker measures 11 inches high, 6 inches wide, and 5.84 inches deep.
Is the LAL36150-1021 HACR rated?
Yes, this circuit breaker is HACR rated, making it suitable for group motor applications in heating, air conditioning, and refrigeration equipment.
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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.