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Product Specifications:
| Item | Circuit Breaker |
| Ac Voltage Rating | 600V AC |
| Ambient Air Temp. For Operation | -13°F to +158°F |
| Ambient Air Temp. For Storage | -58°F to +185°F |
| Amps | 250A |
| Awg Gauge | 3/0 AWG to 350 kcmil |
| Breaking Capacity | 65 kA 240V AC 50/60 Hz UL 489, 35 kA 480V AC 50/60 Hz UL 489, 18 kA 600V AC 50/60 Hz UL 489 |
| Breaking Capacity Code | G |
| Circuit Breaker Actuator | Toggle |
| Circuit Breaker Application | HACR Rated |
| Circuit Breaker Mounting Style | Free Standing |
| Circuit Breaker Type | Micrologic Ammeter With LSIG Functionality |
| Communication Interface | Modbus, Ethernet |
| Component Type | Circuit Breaker |
| Continuous Amps Rating | 80% |
| Control Type | Toggle |
| Dc Voltage | Not Rated |
| Dc Voltage Rating | Not Rated |
| Depth | 3.4" , 5" |
| Device Application | Distribution |
| Electrical Connection | Lugs, Line, Load |
| Frame Size | 250A, J |
| Height | 7 1/2" |
| High Amp Trip Setting | 70A |
| Instantaneous Trip | Adjustable |
| Ip Degree Of Protection | IP40 |
| Line Rated Amps | 250A |
| Local Signalling | Ready 1 LED Green, Alarm 1 LED 90% IR Orange, Alarm 1 LED 105% IR Red, Switched Off 1 Trip Indicator Green |
| Long Time Pick-up Adjustment Range | 0.25-1 Times In |
| Low Amp Trip Setting | 250A |
| Max. Air Rating | Not Rated |
| Max. Air Rating | 65 kA At 240V AC |
| Max. Wire Size | 300 MCM |
| Min. Wire Size | 3/0 AWG |
| Mounting Mode | Unit Mount Lug |
| Mounting Support | Lug |
| Network Frequency | 50/60 Hz |
| No. Of Poles | 3 |
| Number Of Poles | 3 |
| Number Of Slots | 5 |
| Operating Altitude | 0 ft. to 6561.68 ft. Without Derating, 5000m With Derating |
| Phase | 3 |
| Phase Connection | ABC |
| Pollution Degree | 3 IEC 60947-1 |
| Power Wire Stripping Length | 1" |
| Protection Type | Overload Protection, Short Circuit Protection |
| Quality Labels | ce.png |
| Rated Impulse Withstand Voltage | 8 kV |
| Rated Insulation Voltage | 750V |
| Rated Operational Voltage | 600V |
| Rated Service Breaking Capacity | 65 kA @ 220/240V AC @ 50/60 Hz, 35 kA @ 380/440/415V AC @ 50/60 Hz, 18 kA @ 500/525V AC @ 50/60 Hz |
| Returnability | Yes |
| Series | JG Series |
| Suitability For Isolation | Yes, IEC 60947-2 |
| Terminal Connection | Box Lug |
| Terminal Connection Type | Box Lug |
| Tightening Torque | 221.3 lbf.in. @ 0.1 sq. in. to 0.3 sq. in. @ 3/0 AWG to 350 kcmil |
| Trip Type | Thermal Magnetic |
| Trip Unit Name | Micro Logic 6.2 A |
| Trip Unit Technology | Electronic, Ammeter, MicroLogic 6.2 A, LSIG |
| Utilisation Category | Category A |
| Width | 4.09" , 4.1" |
Shipping Info:
| Ship weight (kg) | 2.43 |
| Ship height (cm) | 19.05 |
| Ship length (cm) | 12.7 |
| Ship width (cm) | 10.41 |
| HS code | 8536200020 |
| Country of Origin | US |
Product Details:
- Instantaneous Trip (Adjustable)
- Square D JGL36250U44X is a PowerPact Series J frame circuit breaker designed to provide protection against short-circuits and overloads.
- This 3-pole Square D circuit breaker operates at 600 VAC and 250 A, and includes a terminal nut that can a accommodate 3 AWG aluminium / copper wire.
- This UL-listed molded case circuit breaker has an ampere interrupting capacity of 18kA at 600 V.
Product Variants
| Product | Model | Number Of Poles | Amps | Frame Size | Phase | Phase Connection | Min. Wire Size | Terminal Connection Type | High Amp Trip Setting | Price | |
|---|---|---|---|---|---|---|---|---|---|---|---|
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JGL36250U31X | 3 | 250A | 250A, J | 3 | ABC | 3/0 AWG | Box Lug | 70A | €4,376.77 | |
![]() |
JGL36250U33X | 3 | 250A | 250A, J | 3 | ABC | 3/0 AWG | Box Lug | 70A | €4,545.07 | |
![]() |
JGL36250U43X | 3 | 250A | 250A, J | 3 | ABC | 3/0 AWG | Box Lug | 70A | €8,998.25 | |
![]() |
JGL26150 | 2 | 150A | 250A, JG | 1 | - | 4 AWG | Line, Load Lug | 1500A | €6,576.08 | |
![]() |
JGL26200 | 2 | 200A | 250A, JG | 1 | - | 3 AWG | Line, Load Lug | 2000A | €3,366.79 | |
![]() |
JGL26225 | 2 | 225A | 250A, JG | 1 | - | 3 AWG | Line, Load Lug | 2250A | €5,062.49 | |
![]() |
JGL26250 | 2 | 250A | 250A, JG | 1 | - | 3 AWG | Line, Load Lug | 2500A | €6,607.78 |
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SQUARE D JGL36250U44X Circuit Breaker, 250 A, 600 VAC, 3p, Box Lug
€6,733.51 /unit



