Square D Q2L2150 Molded Case Circuit Breaker
- 150A
- 2 Pole
- Unit Mount
Square D
Q2L2150
Molded Case Circuit Breaker
Brand
Square D
SKU
Q2L2150
Quantity
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Square D Q2L2150 - 150A 2 Pole Molded Case Circuit Breaker
New
Quantity
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Description
Engineered for commercial and industrial applications, the Square D Q2L2150 is a 2-pole, 150A molded case circuit breaker. It provides reliable thermal-magnetic (LI) protection against overloads and short circuits. This unit-mount breaker installs into Square D enclosures, switchboards, and NQOD panelboards. It accepts 4 AWG to 300 kcmil wire and is replaced by the QBL22150. Featuring a 10kAIC rating at 120/240VAC, it includes a Visi-Trip indicator and is HACR rated for HVAC equipment.Specifications
| Brand | Square D |
|---|---|
| Series | Q2L |
| Amperage | 150A |
| Poles | 2 |
| Mounting Style | Unit Mount |
| Voltage | 120/240VAC |
| Phase | 1 |
| AIC Rating | 10kA @ 120/240VAC |
| Frame Type | Q2L |
|---|---|
| Terminal Type | Lugs |
| For Use With | Square D Individual Enclosures, Switchboards, NQOD Panelboards |
| Wire Gauge | 4 AWG - 300 kcmil (Al/Cu) |
| Max Wire | 300 kcmil |
| Min Wire | 4 AWG |
| Trip Technology | Thermal Magnetic |
|---|---|
| Trip Function Code | LI |
| Trip Function | Long-Time, Instantaneous |
| Trip Adjustability | Fixed Thermal, Fixed Magnetic |
| Available Options | Shunt Trip, Auxiliary Switch, Undervoltage Release, Alarm Switch |
|---|---|
| Accessories | Lugs |
| Standards | CSA C22.2 No. 5, NEMA AB 1, UL 489 |
| Approval | CSA, UL |
| Temp Rating | 40C |
| Construction Features | Visual Trip Indicator, Common Trip, HACR Rated |
Product FAQs
5 answersWhich panelboards accept the Q2L2150 circuit breaker?
This unit-mount breaker is designed for installation in legacy Square D NQOD panelboards, switchboards, and individual enclosures. It does not plug onto a busbar and requires a lug-to-lug connection.
What is the modern replacement for the discontinued Q2L2150?
The Q2L2150 has been replaced by the PowerPacT Q-Frame series. The direct 10kAIC replacement is the QBL22150. If your application requires a higher interrupting capacity, the QGL22150 provides a 65kAIC rating at 240VAC.
What type of wire connections are required for this breaker?
The Q2L2150 is a feed-thru breaker equipped with mechanical lugs on both the line and load sides. The lugs accept 4 AWG to 300 kcmil aluminum or copper conductors.
Is the Q2L2150 approved for HVAC applications?
Yes, this breaker carries a HACR rating, meaning it is tested and approved to handle the specific inrush currents associated with heating, air conditioning, and refrigeration equipment.
Are the trip settings on the Q2L2150 adjustable?
No, it features a fixed thermal-magnetic trip unit. The long-time overload and instantaneous short-circuit trip functions are factory calibrated and cannot be modified in the field.
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