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Square D QJL22225 Molded Case Circuit Breaker
- 225A
- 2 Pole
- Unit Mount
Square D
QJL22225
Molded Case Circuit Breaker
Brand
Square D
SKU
QJL22225
Quantity
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Square D QJL22225 - 225A 2 Pole Molded Case Circuit Breaker
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Description
Built for commercial environments, the QJL22225 is a 225A PowerPact Q-Frame molded case circuit breaker. It utilizes thermal-magnetic trip technology to safeguard electrical systems. This unit mount breaker installs into Square D individual enclosures and panelboards. It provides a seamless upgrade path by replacing older Q22225 and Q2L2225 catalog numbers. With a 100kAIC rating at 240VAC, it includes a Visi-Trip indicator for quick fault identification and comes HACR rated.Specifications
| Brand | Square D |
|---|---|
| Part Number | QJL22225 |
| Series | QJL |
| Amperage | 225A |
| 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, Alarm Switch, Undervoltage Release, Padlock Attachment |
|---|---|
| Accessories | Lugs |
| Standards | CSA C22.2 No. 5, HACR, IEC 60947-2, NEMA AB 1, UL 489 |
| Approval | CSA, IEC, NOM, UL |
| Temp Rating | -25C to 70C |
| Construction Features | HACR Rated, Non-Interchangeable Trip |
Product FAQs
9 answersWhat is the recommended tightening torque for the lugs on this breaker?
The factory-installed line and load lugs accept 4 AWG to 300 kcmil aluminum or copper wire and should be torqued to 247.8 lb-in (28 N.m).
What is the difference between the QJL22225 and the QGL22225 or QDL22225?
The difference is the interrupting capacity. The QJL22225 is rated for 100kAIC at 240V. The QGL22225 is rated for 65kAIC, and the QDL22225 is rated for 25kAIC. All three share the same physical dimensions and mounting style.
Can the QJL22225 be reverse fed?
Yes. Because it uses a standard thermal-magnetic trip unit without Line and Load restrictions, this Q-Frame breaker is suitable for forward or reverse feeding in back-fed main applications.
What are the magnetic trip settings for this 225A breaker?
This breaker features a fixed thermal-magnetic trip unit with a magnetic hold current of 1200A and a magnetic tripping current of 2400A.
What type of individual enclosures are compatible with the QJL22225?
This unit-mount Q-Frame breaker can be installed in Square D 225A-rated enclosures, such as the Q23225NS for NEMA 1 indoor applications.
Can I install this unit-mount breaker in a Square D I-Line panelboard?
No. The QJL22225 is a unit-mount breaker designed for cabled applications or specific panelboards with a sub-feed kit. For I-Line panelboards, you need an I-Line group-mounted breaker with a plug-on jaw connection.
Are the lugs included with this circuit breaker?
Yes, as a feed-thru unit-mount breaker, it comes factory-equipped with both line-side and load-side mechanical lugs.
Is the QJL22225 rated for 100 percent continuous operation?
No, this PowerPacT Q-Frame breaker has a standard 80 percent continuous current rating. Continuous loads should not exceed 180 amps.
How does this breaker mount inside a panel?
This is a unit-mount breaker, meaning it secures via mounting screws rather than plugging onto a busbar. It is typically used as a main breaker, sub-feed breaker, or in an individual enclosure.
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