Square D Q2M2110MB Molded Case Circuit Breaker
- 110A
- 2 Pole
- Bolt-On
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Square D Q2M2110MB - 110A 2 Pole Molded Case Circuit Breaker
New
Quantity
Description
Engineered for residential and commercial applications, the Square D Q2M2110MB is a 2-pole, 110A molded case circuit breaker. It features a bolt-on mounting style and operates at 120/240VAC with a 10kAIC rating. This legacy breaker installs into Square D QO load centers and NQO panelboards. For modern upgrades or replacements, it is superseded by the QBP22110TM model. Delivering reliable protection, it includes a Visi-Trip indicator for quick fault identification and is HACR rated.Specifications
| Brand | Square D |
|---|---|
| Series | Q2M |
| Amperage | 110A |
| 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, Undervoltage Release, Alarm Switch |
|---|---|
| Accessories | Load Side Lugs Included, Mounting Hardware |
| Standards | CSA C22.2 No. 5, NEMA AB 1, 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 are compatible with the Q2M2110MB breaker?
This breaker is designed for use in Square D QO load centers and NQO panelboards. Because it utilizes a bolt-on mounting style, verify that your specific panel interior supports bolt-on Q-frame breakers.
What are the wire gauge requirements for the Q2M2110MB?
The breaker includes standard mechanical lugs that accept either aluminum or copper wiring. The supported wire range is 4 AWG to 300 kcmil.
Is there a direct replacement for the Q2M2110MB?
The Q2M2110MB is part of a legacy molded case circuit breaker family. For modern replacements or system upgrades, it has been superseded by the PowerPact QBP22110TM model.
How does the thermal-magnetic trip unit operate on this breaker?
The Q2M2110MB uses a fixed thermal-magnetic mechanism with LI (Long-Time, Instantaneous) functions. The thermal element responds to sustained overloads, while the magnetic element trips immediately during short-circuit faults.
Does the Q2M2110MB feature a tripped status indicator?
Yes, this breaker includes a Visi-Trip indicator. This feature provides a clear visual confirmation when the breaker has tripped due to an overload or short-circuit fault.
Is the Q2M2110MB suitable for HVAC equipment?
Yes, this breaker is HACR rated, meaning it is approved for use with heating, air conditioning, and refrigeration equipment that requires a 110-amp, 2-pole circuit.
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