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Square D QJL22175 Molded Case Circuit Breaker
- 175A
- 2 Pole
- Unit Mount
Square D
QJL22175
Molded Case Circuit Breaker
Brand
Square D
SKU
QJL22175
Quantity
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Square D QJL22175 - 175A 2 Pole Molded Case Circuit Breaker
New
Quantity
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Description
Delivering 100kAIC of interrupting capacity at 240VAC, this 175A MCCB ensures safe power distribution in industrial facilities. The two-pole PowerPacT Q-Frame device features non-interchangeable thermal-magnetic trip units. Engineered for unit-mount installation, it fits perfectly into Square D switchboards and individual enclosures. It easily replaces discontinued Q22175 and Q2L2175 components. This HACR-rated breaker includes standard line and load lugs.Specifications
| Brand | Square D |
|---|---|
| Part Number | QJL22175 |
| Series | QJL |
| Amperage | 175A |
| Poles | 2 |
| Mounting Style | Unit Mount |
| Voltage | 208Y/120VAC, 240VAC |
| Phase | 1 |
| AIC Rating | 100kA @ 208Y/120VAC, 100kA @ 240VAC |
| Frame Type | QJL |
|---|---|
| Terminal Type | Lugs |
| For Use With | Square D Individual Enclosures, Switchboards, Panelboards |
| 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, Undervoltage Release, Alarm Switch, Padlock Attachment |
|---|---|
| Accessories | Lugs (Line and Load) |
| Standards | CSA C22.2 No 5, IEC 60947-2, NEMA AB 1, NOM-003-SCFI-2000, UL 489 |
| Approval | CSA, IEC, NOM, UL |
| Temp Rating | -25C to 70C |
| Construction Features | HACR Rated, Non-Interchangeable Trip |
Product FAQs
6 answersWhat types of panels or enclosures are compatible with the QJL22175?
This unit-mount Q-frame breaker is designed for use in Square D individual enclosures, switchboards, and panelboards. When installing in NQ panelboards, a specific main breaker or sub-feed kit is required to mount the device.
Can the QJL22175 circuit breaker be reverse fed?
Yes, this thermal-magnetic Q-frame breaker is suitable for either forward or reverse feeding applications.
What does the J in the QJL22175 catalog number indicate?
The J designates the interrupting rating of the breaker. In the PowerPacT Q-Frame series, a J-rating provides a 100kA short-circuit interrupting capacity at 240V AC.
Can the QJL22175 replace older legacy circuit breakers?
Yes, PowerPacT Q-frame breakers are direct replacements for legacy Square D Q2 series devices, such as the Q2L22175, allowing for a seamless upgrade in existing installations.
Is the QJL22175 suitable for heating, air conditioning, and refrigeration applications?
Yes, this breaker is HACR rated, meaning it is approved for use with commercial heating, air conditioning, and refrigeration equipment that requires this specific protection standard.
Does this breaker plug onto a busbar or mount on a DIN rail?
No, the QJL22175 is a unit-mount breaker. It does not plug onto a busbar or mount to a DIN rail. It secures via mounting feet and uses feed-thru lugs for both line and load electrical connections.
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