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Square D QJA32110 Molded Case Circuit Breaker
- 110A
- 3 Pole
- I-Line
Square D
QJA32110
Molded Case Circuit Breaker
Brand
Square D
SKU
QJA32110
Quantity
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Square D QJA32110 - 110A 3 Pole Molded Case Circuit Breaker
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Description
Engineered for commercial distribution, the Square D QJA32110 is a 3-pole, 110A molded case circuit breaker from the PowerPacT Q-Frame family. It features a thermal-magnetic trip unit with fixed long-time and instantaneous (LI) protection. This I-Line breaker plugs into Square D I-Line panelboards and switchboards. It serves as a drop-in replacement for the legacy Q23110. Rated at 100kAIC at 240VAC, it offers reliable current-limiting performance and includes a Visi-Trip indicator.Specifications
| Brand | Square D |
|---|---|
| Series | QJA |
| Amperage | 110A |
| Poles | 3 |
| Mounting Style | I-Line |
| Voltage | 208Y/120VAC, 240VAC |
| Phase | 3 |
| AIC Rating | 100kA @ 208Y/120VAC, 100kA @ 240VAC |
| Frame Type | Q |
|---|---|
| Terminal Type | Lugs |
| For Use With | Square D I-Line Panelboards and Switchboards |
| 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, Padlock Attachment |
|---|---|
| Accessories | Phase Connection ABC (Factory Configured) |
| Standards | CSA C22.2 No. 5, HACR, IEC 60947-2, NEMA AB 1, NOM-003-SCFI-2000, UL 489 |
| Approval | ANCE, CSA, IEC, NOM, UL |
| Temp Rating | -25C to 70C |
| Construction Features | HACR Rated, Current Limiting, Visual Trip Indicator, 80% Rated, Non-Interchangeable Trip |
Product FAQs
5 answersWhat type of panelboards accept the QJA32110?
This breaker is designed exclusively for Square D I-Line panelboards and switchboards. It utilizes the I-Line plug-in mounting system, which allows for quick installation and phase balancing without the need for bolted connections on the bus.
What does the J in the QJA32110 catalog number signify?
In the Square D PowerPacT Q-frame nomenclature, the J indicates the interrupting rating tier. For this specific breaker, it signifies a high interrupting capacity of 100kA at 240V AC.
Are the trip settings on this breaker adjustable?
No, the QJA32110 features a fixed thermal magnetic trip unit. Both the long-time thermal overload protection and the instantaneous magnetic short-circuit protection are factory set and cannot be adjusted in the field.
What are the acceptable wire sizes for the lugs on this breaker?
The factory-installed lugs accept both aluminum and copper conductors ranging from 4 AWG to 300 kcmil. Always apply the manufacturer-specified torque when terminating conductors.
Can this breaker replace older Q-frame I-Line breakers?
Yes, the QJA32110 is part of the PowerPacT Q-frame family and serves as a direct replacement for older Square D Q-frame I-Line breakers with matching amperage and interrupting ratings.
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