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Square D JGL26250 Molded Case Circuit Breaker
- 250A
- 2 Pole
- Unit Mount
Square D
JGL26250
Molded Case Circuit Breaker
Brand
Square D
SKU
JGL26250
Quantity
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Square D JGL26250 - 250A 2 Pole Molded Case Circuit Breaker
New
Quantity
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Square D JGL26250 - 250A 2 Pole Molded Case Circuit Breaker
New
Quantity
| Brand | Square D |
|---|---|
| Part Number | JGL26250 |
| Series | JGL |
| Amperage | 250A |
| Poles | 2 |
| Mounting Style | Unit Mount |
| Voltage | 240VAC, 480VAC, 600VAC, 250VDC |
| Phase | 1 |
| AIC Rating | 65kA @ 240VAC, 35kA @ 480VAC, 18kA @ 600VAC, 20kA @ 250VDC |
| Frame Type | J |
|---|---|
| Terminal Type | Lugs |
| For Use With | Square D NF Panelboards, Switchboards, Motor Control Centers, Industrial Enclosures |
| Wire Gauge | 3/0 AWG - 350 kcmil (Al/Cu) |
| Max Wire | 350 kcmil |
| Min Wire | 3/0 AWG |
| Trip Technology | Thermal Magnetic |
|---|---|
| Trip Function Code | LI |
| Trip Function | Long-Time, Instantaneous |
| Trip Adjustability | Fixed Thermal, Adjustable Magnetic |
| Available Options | Shunt Trip, Auxiliary Switch, Undervoltage Release, Alarm Switch, Padlock Attachment, Motor Operator, Rotary Handle |
|---|---|
| Accessories | None included |
| Standards | CSA C22.2 No 5, HACR, IEC 60947-2, NEMA AB 1, UL 489 |
| Approval | CE, CSA, IEC, NOM, UL, CCC |
| Temp Rating | -25C to 70C |
| Construction Features | HACR Rated, Current Limiting, Visual Trip Indicator, 80% Rated, 2-Pole in 3-Pole Housing |
Sold out
Quantity
Square D JGL26250 - 250A 2 Pole Molded Case Circuit Breaker
Re-Certified
Quantity
| Brand | Square D |
|---|---|
| Part Number | JGL26250-R |
| Series | JGL |
| Amperage | 250A |
| Poles | 2 |
| Mounting Style | Unit Mount |
| Voltage | 240VAC, 480VAC, 600VAC, 250VDC |
| Phase | 1 |
| AIC Rating | 65kA @ 240VAC, 35kA @ 480VAC, 18kA @ 600VAC, 20kA @ 250VDC |
| Frame Type | J |
|---|---|
| Terminal Type | Lugs |
| For Use With | Square D NF Panelboards, Switchboards, Motor Control Centers, Industrial Enclosures |
| Wire Gauge | 3/0 AWG - 350 kcmil (Al/Cu) |
| Max Wire | 350 kcmil |
| Min Wire | 3/0 AWG |
| Trip Technology | Thermal Magnetic |
|---|---|
| Trip Function Code | LI |
| Trip Function | Long-Time, Instantaneous |
| Trip Adjustability | Fixed Thermal, Adjustable Magnetic |
| Available Options | Shunt Trip, Auxiliary Switch, Undervoltage Release, Alarm Switch, Padlock Attachment, Motor Operator, Rotary Handle |
|---|---|
| Accessories | None included |
| Standards | CSA C22.2 No 5, HACR, IEC 60947-2, NEMA AB 1, UL 489 |
| Approval | CE, CSA, IEC, NOM, UL, CCC |
| Temp Rating | -25C to 70C |
| Construction Features | HACR Rated, Current Limiting, Visual Trip Indicator, 80% Rated, 2-Pole in 3-Pole Housing |
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Description
Belonging to the PowerPacT J-Frame series, the Square D JGL26250 provides 250A of continuous current protection for commercial and industrial electrical systems. This 2-pole molded case circuit breaker utilizes a thermal-magnetic trip unit with adjustable instantaneous settings. Designed for unit-mount configurations, it integrates seamlessly into Square D NF panelboards, switchboards, and motor control centers.Specifications
| Brand | Square D |
|---|---|
| Part Number | JGL26250 |
| Series | JGL |
| Amperage | 250A |
| Poles | 2 |
| Mounting Style | Unit Mount |
| Voltage | 240VAC, 480VAC, 600VAC, 250VDC |
| Phase | 1 |
| AIC Rating | 65kA @ 240VAC, 35kA @ 480VAC, 18kA @ 600VAC, 20kA @ 250VDC |
| Frame Type | J |
|---|---|
| Terminal Type | Lugs |
| For Use With | Square D NF Panelboards, Switchboards, Motor Control Centers, Industrial Enclosures |
| Wire Gauge | 3/0 AWG - 350 kcmil (Al/Cu) |
| Max Wire | 350 kcmil |
| Min Wire | 3/0 AWG |
| Trip Technology | Thermal Magnetic |
|---|---|
| Trip Function Code | LI |
| Trip Function | Long-Time, Instantaneous |
| Trip Adjustability | Fixed Thermal, Adjustable Magnetic |
| Available Options | Shunt Trip, Auxiliary Switch, Undervoltage Release, Alarm Switch, Padlock Attachment, Motor Operator, Rotary Handle |
|---|---|
| Accessories | None included |
| Standards | CSA C22.2 No 5, HACR, IEC 60947-2, NEMA AB 1, UL 489 |
| Approval | CE, CSA, IEC, NOM, UL, CCC |
| Temp Rating | -25C to 70C |
| Construction Features | HACR Rated, Current Limiting, Visual Trip Indicator, 80% Rated, 2-Pole in 3-Pole Housing |
Product FAQs
7 answersHow is the JGL26250 mounted in panelboards or enclosures?
This breaker features a unit mount design, meaning it is bolted directly to the mounting pan or enclosure backplate rather than plugging into a busbar. It is commonly installed in Square D NF panelboards, switchboards, and motor control centers.
How does the adjustable trip function work on this breaker?
This thermal-magnetic breaker features a fixed thermal element for overload protection, which is set at 250 amps. However, it includes an adjustable magnetic trip dial on the faceplate, allowing electricians to fine-tune the instantaneous short-circuit response based on the specific load requirements.
What does the letter G signify in the JGL26250 part number?
The G designates the specific interrupting capacity tier for this PowerPacT J-Frame breaker, providing 35kAIC at 480VAC. Other letters in this position, such as D or J, indicate lower or higher interrupting ratings within the exact same physical footprint.
What wire sizes and materials are supported by the factory lugs?
The factory-installed feed-thru lugs accept either aluminum or copper conductors ranging from 3/0 AWG to 350 kcmil. Always ensure proper torque specifications are applied during installation as outlined on the breaker faceplate.
Can this breaker be used in direct current (DC) applications?
Yes, the JGL26250 is rated for use in DC circuits up to 250VDC, where it provides an interrupting capacity of 20kA. This makes it suitable for specific industrial DC control circuits and battery backup systems.
Are auxiliary contacts or shunt trips compatible with this model?
Yes, PowerPacT J-Frame breakers support a wide range of field-installable accessories. Shunt trips, undervoltage releases, and auxiliary switches can be installed in the designated accessory pockets located under the front cover.
How can the mechanical trip mechanism be tested safely?
The breaker includes a push-to-trip button on the front face. This allows electricians to mechanically test the tripping mechanism and ensure the breaker is functioning correctly before placing it into service or during routine maintenance.
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