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Square D QGL22175 Molded Case Circuit Breaker
- 175A
- 2 Pole
- Unit Mount
Square D
QGL22175
Molded Case Circuit Breaker
Brand
Square D
SKU
QGL22175
Quantity
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Square D QGL22175 - 175A 2 Pole Molded Case Circuit Breaker
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Description
Designed for heavy-duty commercial use, the Square D QGL22175 is a 175A unit-mount molded case circuit breaker. It belongs to the PowerPacT Q-Frame family, offering reliable thermal-magnetic (LI) protection against overloads and short circuits. Equipped with line and load lugs, it integrates easily into Square D individual enclosures, panelboards, and switchboards. It replaces the legacy Q22175 model. This 80% rated breaker provides a 65kAIC interrupting capacity at 240VAC.Specifications
| Brand | Square D |
|---|---|
| Part Number | QGL22175 |
| Series | QGL |
| Amperage | 175A |
| Poles | 2 |
| Mounting Style | Unit Mount |
| Voltage | 208Y/120VAC, 240VAC |
| Phase | 1 |
| AIC Rating | 65kA @ 208Y/120VAC, 65kA @ 240VAC |
| Frame Type | Q |
|---|---|
| Terminal Type | Lugs |
| For Use With | Square D Individual Enclosures, Panelboards, 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, Undervoltage Release, Handle Padlock Attachment |
|---|---|
| Accessories | Line and Load 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, Visual Trip Indicator, 80% Rated |
Product FAQs
6 answersWhat is the difference between the Square D QGL22175 and the QDL22175 or QJL22175?
The difference is the interrupting rating at 240VAC. The QDL22175 is rated at 25kAIC, the QGL22175 is rated at 65kAIC, and the QJL22175 is rated at 100kAIC. They share the same physical dimensions and Q-frame unit mount design.
Can the QGL22175 circuit breaker be reverse fed?
Yes, this thermal magnetic Q-frame breaker can be forward or reverse fed. When backfeeding, ensure the breaker is properly labeled as a main if required by local electrical codes.
What is the recommended lug tightening torque for the QGL22175?
The standard mechanical lugs for 4 AWG to 300 kcmil wire should be torqued to 248 lb-in (28 N-m).
What type of enclosures accept the QGL22175 breaker?
This unit mount breaker is designed for use in specific Square D individual enclosures, switchboards, and panelboards that accommodate PowerPacT Q-frame unit mount breakers. It cannot be installed on I-Line bus systems.
Is the Square D QGL22175 HACR rated?
Yes, this breaker is HACR rated for use with heating, air conditioning, and refrigeration equipment.
Does the QGL22175 have adjustable trip settings?
No, this breaker features a fixed thermal and fixed magnetic trip unit. It does not have adjustable dials for the long-time or instantaneous trip functions.
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