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Square D Q2L32125 Molded Case Circuit Breaker
- 125A
- 3 Pole
- Unit Mount
Square D
Q2L32125
Molded Case Circuit Breaker
Brand
Square D
SKU
Q2L32125
Quantity
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Square D Q2L32125 - 125A 3 Pole Molded Case Circuit Breaker
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Description
Providing dependable thermal-magnetic protection, the Square D Q2L32125 is a 3-pole, 125A molded case circuit breaker. Operating at 240VAC, this legacy Q-Frame device delivers fixed long-time and instantaneous (LI) trip functions. Designed for unit mount installation, it integrates into Square D enclosures, switchboards, and legacy NQOD panelboards. For modern upgrades, this unit is replaced by the QBL32125 model. It features a 10kAIC rating and a Visi-Trip indicator.Specifications
| Brand | Square D |
|---|---|
| Part Number | Q2L32125 |
| Series | Q2L |
| Amperage | 125A |
| Poles | 3 |
| Mounting Style | Unit Mount |
| Voltage | 240VAC |
| Phase | 3 |
| AIC Rating | 10kA @ 240VAC |
| 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, Alarm Switch, Undervoltage Release |
|---|---|
| Accessories | None (Factory sealed) |
| Standards | CSA C22.2 No. 5, NEMA AB 1, UL 489 |
| Approval | CSA, UL |
| Temp Rating | 40C |
| Construction Features | HACR Rated, Non-Interchangeable Trip, Common Trip, Quick-Make/Quick-Break |
Product FAQs
5 answersWhat is the modern replacement for the Q2L32125 circuit breaker?
The QBL32125 is the current direct replacement for this legacy Q-Frame breaker. However, installing the original Q2L32125 maintains the UL listing of older NQOD panelboards without requiring modifications.
How does the Q2L32125 mount inside a panel?
This is a unit mount, or feed-thru, circuit breaker. It does not plug onto a busbar. Instead, it secures directly to the enclosure backpan and requires wire connections at both the line and load side lugs.
Which panelboards are compatible with this Q-Frame breaker?
It is designed for use in legacy Square D NQOD panelboards, as well as compatible Square D switchboards and individual enclosures that accept unit mount breakers.
Does this breaker include a tripped status indicator?
Yes, it features the Square D Visi-Trip indicator. When the breaker trips due to an overcurrent or short circuit, a highly visible red flag appears in the indicator window to help quickly locate the faulted circuit.
Is the Q2L32125 suitable for HVAC equipment?
Yes, this breaker is HACR rated, making it approved for use with heating, air conditioning, and refrigeration equipment that requires group motor protection.
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