Square D LA361501021 Molded Case Circuit Breaker
- 150A
- 3 Pole
- I-Line
Quantity
Square D LA361501021 - 150A 3 Pole Molded Case Circuit Breaker
New
Quantity
Description
Engineered for commercial applications, the Square D LA361501021 provides robust thermal-magnetic protection as a 150A, 3-pole MCCB. It handles heavy-duty electrical distribution. This L-Frame breaker installs into Square D I-Line panelboards and switchboards. For modern upgrades, it is replaced by the PowerPacT J-Frame JJA36150SA. It features a factory-installed shunt trip for remote operation and a 42kAIC rating at 240VAC. The Visi-Trip indicator ensures quick troubleshooting.Specifications
| Brand | Square D |
|---|---|
| Series | LA |
| Amperage | 150A |
| Poles | 3 |
| Mounting Style | I-Line |
| Voltage | 240VAC, 480VAC, 600VAC, 250VDC |
| Phase | 3 |
| AIC Rating | 42kA @ 240VAC, 30kA @ 480VAC, 22kA @ 600VAC, 10kA @ 250VDC |
| Frame Type | LA_ |
|---|---|
| Terminal Type | Lugs |
| For Use With | Square D I-Line Panelboards and Switchboards |
| Wire Gauge | 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, Undervoltage Release, Alarm Switch, Padlock Attachment |
|---|---|
| Accessories | Shunt Trip |
| Standards | CSA C22.2 No. 5, IEC 60947-2, NEMA AB 1, UL 489 |
| Approval | CE, CSA, IEC, UL |
| Temp Rating | 40C |
| Construction Features | HACR Rated, Visual Trip Indicator |
Product FAQs
7 answersWhat type of panelboards is the LA361501021 compatible with?
This breaker features an I-Line style plug-in connection and is designed exclusively for use in Square D I-Line panelboards and switchboards.
What does the 1021 suffix indicate on the LA361501021?
The 1021 suffix indicates that this breaker includes a factory-installed 120/240VAC shunt trip, allowing for remote tripping of the circuit breaker.
What is the modern replacement for the legacy LA361501021 circuit breaker?
For modern upgrades, this legacy L-Frame breaker is replaced by the Square D PowerPacT J-Frame JJA36150SA, which also includes a 120/240VAC shunt trip.
What wire sizes are accepted by the lugs on the LA361501021?
The load-side lugs accept either one 1 AWG to 600 kcmil aluminum or copper wire, or two 1 AWG to 250 kcmil aluminum or copper wires.
Is the trip unit on the LA361501021 adjustable?
Yes, it features a thermal-magnetic trip unit with a fixed thermal (long-time) setting and an adjustable magnetic (instantaneous) trip setting.
Does the LA361501021 include a Visi-Trip indicator?
Yes, this breaker features the Square D Visi-Trip indicator, which provides a clear visual confirmation when the breaker has tripped to aid in quick troubleshooting.
Is the LA361501021 suitable for HVAC applications?
Yes, this breaker is HACR rated, making it approved for use with heating, air conditioning, and refrigeration equipment.
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