Square D LAL361501021 Molded Case Circuit Breaker
- 150A
- 3 Pole
- Unit Mount
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Square D LAL361501021 - 150A 3 Pole Molded Case Circuit Breaker
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Description
Engineered for versatile control, the Square D LAL361501021 is a 150A molded case circuit breaker equipped with a 120-240VAC shunt trip. It delivers precise thermal-magnetic protection. The unit-mount construction allows for straightforward installation into Square D switchboards and industrial enclosures. It utilizes AL400LA lugs for secure connections. Capable of interrupting 22 kAIC at 600VAC, it provides defense against electrical faults. It is replaced by the PowerPact LGL36150.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 | 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 | 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, UL 489 |
| Approval | CSA, IEC, UL |
| Temp Rating | 40C |
| Construction Features | HACR Rated, Mercury Free, PVC Free, RoHS Compliant |
Product FAQs
6 answersWhat does the 1021 suffix indicate on the LAL361501021 circuit breaker?
The 1021 suffix means this breaker includes a factory-installed 120/240VAC shunt trip. This allows the breaker to be tripped remotely by applying voltage to the shunt trip coil.
What types of equipment is the LAL361501021 compatible with?
This L-frame breaker is designed for use in Square D industrial enclosures, switchboards, and motor control centers. It is a unit-mount, feed-thru breaker and does not have the plug-on jaw connections required for I-Line distribution panels.
What wire sizes are accepted by the standard lugs on this breaker?
The standard lugs accept either one 1 AWG to 600 kcmil wire or two 1 AWG to 250 kcmil wires. The terminals are rated for both aluminum and copper conductors.
Can the trip settings be adjusted on the LAL361501021?
The thermal trip function for long-time overload protection is fixed at 150 amps. However, the magnetic trip function for instantaneous short-circuit protection is adjustable, allowing you to fine-tune the trip response for your specific load.
Does this breaker include a push-to-trip feature for testing?
Yes, Square D L-frame breakers feature a push-to-trip button. This allows you to manually trip the breaker to verify the mechanical operation of the tripping mechanism without exposing personnel to live parts.
Can I use an LHL361501021 in place of the LAL361501021?
Yes, the LHL series is the high-interrupting equivalent of the standard LAL series. An LHL breaker will have the same physical dimensions and mounting but offers a higher short-circuit current rating, making it a safe upgrade if the LAL is unavailable.
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