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Square D QGA221754 Molded Case Circuit Breaker
- 175A
- 2 Pole
- I-Line
Square D
QGA221754
Molded Case Circuit Breaker
Brand
Square D
SKU
QGA221754
Quantity
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Square D QGA221754 - 175A 2 Pole Molded Case Circuit Breaker
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Description
Built for heavy-duty commercial applications, this 175A MCCB utilizes thermal-magnetic trip technology for precise LI protection. The device mounts into standard Square D I-Line switchboards and panelboards via a dedicated BC phase connection. Facility managers can use this to seamlessly replace discontinued Q22175BC breakers. Delivering a 65kAIC rating at 240VAC, it ensures high-capacity fault clearing and includes a visual trip indicator for rapid diagnostics.Specifications
| Brand | Square D |
|---|---|
| Part Number | QGA221754 |
| Series | QGA |
| Amperage | 175A |
| Poles | 2 |
| Mounting Style | I-Line |
| Voltage | 208Y/120VAC, 240VAC |
| Phase | 1 |
| AIC Rating | 65kA @ 208Y/120VAC, 65kA @ 240VAC |
| Frame Type | QGA |
|---|---|
| Terminal Type | Lugs |
| For Use With | Square D I-Line Panelboards, 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 Thermal, Fixed Magnetic |
| Available Options | Shunt Trip, Auxiliary Switch, Alarm Switch, Padlock Attachment |
|---|---|
| Accessories | Phase Connection: BC (Suffix '4') |
| 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, Visual Trip Indicator, 80% Rated, Quick-Make/Quick-Break, Trip-Free Mechanism |
Product FAQs
6 answersWhat equipment is compatible with the QGA221754?
This breaker is designed for use in Square D I-Line panelboards and switchboards. It features an I-Line style plug-in connection on the line side and mechanical lugs on the load side.
What does the 4 at the end of the QGA221754 catalog number mean?
The 4 suffix indicates that this 2-pole breaker is configured for a B and C phase connection on the I-Line bus.
What is the difference between the QGA, QDA, and QJA frame breakers?
The primary difference is the interrupting rating. The QGA series is rated at 65kA at 240VAC, while the QDA series is rated at 25kA, and the QJA series is rated at 100kA at the same voltage.
Are the trip settings on the QGA221754 adjustable?
No. This breaker features a thermal-magnetic trip unit with fixed Long-Time (L) and Instantaneous (I) protection. The trip settings cannot be adjusted in the field.
Does this breaker include a push-to-trip button?
Yes, PowerPacT Q-frame circuit breakers feature an integral push-to-trip button on the cover, allowing you to manually trip the breaker mechanism for testing and maintenance.
Is the QGA221754 rated for 80 percent or 100 percent continuous current?
This circuit breaker has a standard continuous current rating of 80 percent.
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