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Square D QGA221252 Molded Case Circuit Breaker
- 125A
- 2 Pole
- I-Line
Square D
QGA221252
Molded Case Circuit Breaker
Brand
Square D
SKU
QGA221252
Quantity
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Square D QGA221252 - 125A 2 Pole Molded Case Circuit Breaker
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Description
A reliable solution for industrial systems, the Square D QGA221252 offers 125A of precision overcurrent protection. Belonging to the PowerPacT Q-Frame series, this 2-pole MCCB utilizes fixed thermal and magnetic trip settings for Long-Time and Instantaneous (LI) functions. This model features an AC phase connection and fits Square D I-Line panelboards and switchboards. It replaces the legacy Q22125AC breaker. Boasting a 65kAIC rating at 240VAC, the unit includes a Visi-Trip indicator.Specifications
| Brand | Square D |
|---|---|
| Part Number | QGA221252 |
| Series | QGA |
| Amperage | 125A |
| Poles | 2 |
| Mounting Style | I-Line |
| Voltage | 208Y/120VAC, 240VAC |
| Phase | 1 |
| AIC Rating | 65kA @ 208Y/120VAC, 65kA @ 240VAC |
| Frame Type | Q |
|---|---|
| Terminal Type | Lugs |
| For Use With | Square D I-Line Panelboards, Square D I-Line Switchboards |
| Wire Gauge | 4 AWG - 300 kcmil |
| 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, Padlock Attachment |
|---|---|
| Accessories | Load Side Lugs Included |
| Standards | CSA C22.2 No. 5, IEC 60947-2, NEMA AB 1, UL 489 |
| Approval | CSA, IEC, NOM, UL |
| Temp Rating | -25C to 70C |
| Construction Features | HACR Rated, Visual Trip Indicator, 80% Rated, Quick-Make/Quick-Break, Trip-Free Mechanism |
Product FAQs
5 answersWhat panelboards are compatible with the QGA221252?
This breaker is designed exclusively for Square D I-Line panelboards and switchboards. It features a plug-on I-Line connection on the line side and mechanical lugs on the load side.
What does the G in the QGA221252 part number represent?
The G designates the interrupting rating tier for this PowerPacT Q-frame breaker, which is rated for 65kA at 240VAC. Other Q-frame tiers include B (10kA), D (25kA), and J (100kA).
Can the QGA221252 replace older Square D breakers?
Yes, the PowerPacT Q-frame series is a direct replacement for legacy Square D Q2 series circuit breakers, such as the Q22125AC, in I-Line panelboards.
What does the final 2 in the QGA221252 catalog number signify?
In the Square D PowerPacT Q-frame catalog numbering system, the final 2 indicates an A-C phase connection for the I-Line bus.
How does the QGA221252 mount into the panel?
It utilizes an I-Line style plug-on bracket for the line-side bus connection, allowing it to be group-mounted in I-Line distribution panels without the need for bolt-on bus hardware.
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