Square D Q2M2150 Molded Case Circuit Breaker
- 150A
- 2 Pole
- Bolt-On
Square D
Q2M2150
Molded Case Circuit Breaker
Brand
Square D
SKU
Q2M2150
Quantity
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Square D Q2M2150 - 150A 2 Pole Molded Case Circuit Breaker
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Description
Built to serve residential and commercial environments, this 150A molded case circuit breaker offers standard 10kAIC protection at 120/240VAC. It fastens securely into legacy Square D QO load centers and NQO panelboards, functioning effectively as a main breaker. The integrated Visi-Trip indicator allows users to quickly identify a tripped condition, minimizing downtime. For modern replacements, the manufacturer recommends transitioning to the QBP22150TM.Specifications
| Brand | Square D |
|---|---|
| Series | Q2M |
| Amperage | 150A |
| Poles | 2 |
| Mounting Style | Bolt-On |
| Voltage | 120/240VAC |
| Phase | 1 |
| AIC Rating | 10kA @ 120/240VAC |
| Frame Type | Q2M |
|---|---|
| Terminal Type | Lugs |
| For Use With | Square D QO Load Centers, NQO 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, Alarm Switch |
|---|---|
| Accessories | Line and Load Lugs Included |
| Standards | CSA C22.2 No. 5, UL 489 |
| Approval | CSA, UL |
| Temp Rating | 40C |
| Construction Features | HACR Rated, Visual Trip Indicator, Non-Interchangeable Trip, Main Breaker |
Product FAQs
6 answersWhich panelboards and load centers are compatible with the Q2M2150?
This breaker is designed for use in legacy Square D QO load centers and NQO panelboards. It typically functions as a main breaker in these enclosures.
What is the mounting configuration for this circuit breaker?
The Q2M2150 features a bolt-on connection and is specifically designed as a bottom-mounted breaker for compatible enclosures.
What wire sizes are accepted by the terminals on this breaker?
The factory-installed lugs accept aluminum or copper conductors ranging from 4 AWG to 300 kcmil.
Are the thermal and magnetic trip settings adjustable on the Q2M2150?
No, this breaker utilizes a fixed thermal-magnetic trip unit. It provides standard LI (Long-Time and Instantaneous) protection with non-adjustable settings for both overload and short-circuit conditions.
Is the Q2M2150 an obsolete breaker, and what is the recommended replacement?
Yes, the Q2M series is a legacy product. For modern upgrades or replacements, Schneider Electric recommends transitioning to the PowerPact QBP22150TM, though the original Q2M2150 is still available for direct replacement in existing systems.
Does this breaker include a visual trip indicator?
Yes, it features the Square D Visi-Trip indicator, which provides a clear visual confirmation when the breaker has tripped due to an overload or short circuit.
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