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Square D QGA32070 Molded Case Circuit Breaker
- 70A
- 3 Pole
- I-Line
Square D
QGA32070
Molded Case Circuit Breaker
Brand
Square D
SKU
QGA32070
Quantity
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Square D QGA32070 - 70A 3 Pole Molded Case Circuit Breaker
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Description
Engineered for industrial distribution, the Square D QGA32070 is a 3-pole, 70A molded case circuit breaker from the PowerPacT Q-Frame family. It provides reliable overcurrent protection for demanding electrical systems. This unit mounts into Square D I-Line panelboards (HCN, HCM, HCW, HCWM) and switchboards. It serves as an exact replacement for legacy Q23070 breakers. Rated for 65kAIC at 240VAC, it features thermal-magnetic trip technology with fixed long-time and instantaneous functions.Specifications
| Brand | Square D |
|---|---|
| Part Number | QGA32070 |
| Series | QGA |
| Amperage | 70A |
| Poles | 3 |
| Mounting Style | I-Line |
| Voltage | 208Y/120VAC, 240VAC |
| Phase | 3 |
| AIC Rating | 65kA @ 208Y/120VAC, 65kA @ 240VAC |
| Frame Type | QGA |
|---|---|
| Terminal Type | Lugs |
| For Use With | Square D I-Line Panelboards (HCN, HCM, HCW, HCWM), Square D I-Line 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 |
| Available Options | Handle Padlock Attachment, Auxiliary Switch, Alarm Switch, Shunt Trip, Undervoltage Release |
|---|---|
| Accessories | Load Side Lugs Included |
| Standards | CSA C22.2 No. 5, HACR, IEC 60947-2, NEMA AB 1, NOM-003-SCFI-2000, UL 489 |
| Approval | CE, CSA, IEC, NOM, UL |
| Temp Rating | -25C to 70C |
| Construction Features | HACR Rated, Non-Interchangeable Trip, Phase Connection ABC, Quick-Make/Quick-Break, Trip-Free Mechanism |
Product FAQs
8 answersWhat panelboards are compatible with the QGA32070?
It is designed for use in Square D I-Line panelboards, including HCN, HCM, HCW, and HCWM series, as well as I-Line switchboards. It connects directly to the I-Line bus.
How much mounting space does this breaker require on an I-Line bus?
As a 3-pole PowerPacT Q-frame breaker, it requires 4.5 inches of mounting space on the I-Line bus.
Can the QGA32070 replace an older Q23070 breaker?
Yes, the QGA32070 serves as an exact replacement for legacy Square D Q23070 circuit breakers in I-Line panelboards.
What wire sizes are accepted by the load lugs on the QGA32070?
The factory-installed load lugs accept aluminum or copper wire ranging from 4 AWG to 300 kcmil.
Is this breaker suitable for 480V applications?
No, the QGA32070 is rated for a maximum of 240VAC. It cannot be used on 480V or 600V electrical systems.
What does the G in the QGA32070 catalog number indicate?
In the PowerPacT Q-frame series, the G indicates an interrupting rating of 65kA at 240VAC. Other letters, such as B, D, or J, indicate different fault current ratings.
Does this breaker require a separate mounting bracket for installation?
No additional mounting hardware is required. The I-Line plug-in design allows the breaker to mount directly onto the panelboard bus.
Does this breaker have a push-to-trip feature?
Yes, PowerPacT Q-frame breakers include an integral push-to-trip button on the cover. This allows you to manually trip the breaker to verify the mechanical operation is working correctly.
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