Eaton / Cutler-HammerJGS3150FAG
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Eaton / Cutler-Hammer JGS3125FAG Molded Case Circuit Breaker
- 125A
- 3 Pole
- Unit Mount
Eaton / Cutler-Hammer
JGS3125FAG
Molded Case Circuit Breaker
Brand
Eaton / Cutler-Hammer
SKU
JGS3125FAG
Quantity
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Eaton / Cutler-Hammer JGS3125FAG - 125A 3 Pole Molded Case Circuit Breaker
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Description
Built for commercial and industrial applications, the Eaton JGS3125FAG is a robust Series G molded case circuit breaker. The 'S' in the JGS prefix designates its standard 35 kAIC rating at 480V. The unit-mount JG-frame breaker installs seamlessly into Eaton Series G panelboards, switchboards, and motor control centers. It features a fixed thermal and adjustable magnetic (LI) trip unit for precise long-time and instantaneous protection, alongside high-speed blow-open action.Specifications
| Brand | Eaton / Cutler-Hammer |
|---|---|
| Series | JGS |
| Amperage | 125A |
| Poles | 3 |
| Mounting Style | Unit Mount |
| Voltage | 240VAC, 480VAC, 600VAC, 250VDC |
| Phase | 3 |
| AIC Rating | 85kA @ 240VAC, 35kA @ 480VAC, 18kA @ 600VAC, 22kA @ 250VDC |
| Frame Type | JG |
|---|---|
| Terminal Type | Lugs |
| For Use With | Eaton Series G Panelboards, Switchboards, MCCs |
| Wire Gauge | 4 AWG - 350 kcmil |
| Max Wire | 350 kcmil |
| Min Wire | 4 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, Handle Mechanism, Motor Operator |
|---|---|
| Accessories | Line and Load Terminals |
| Standards | CSA C22.2 No. 5, IEC 60947-2, NEMA AB 1, UL 489 |
| Approval | CE, CSA, IEC, KEMA, UL |
| Temp Rating | 40C |
| Construction Features | HACR Rated, High-Speed Blow-Open Action, 80% Rated |
Product FAQs
6 answersWhat equipment is the JGS3125FAG designed to be installed in?
This unit-mount JG-frame breaker is engineered for installation in Eaton Series G panelboards, switchboards, and motor control centers (MCCs).
What wire size range do the standard lugs on the JGS3125FAG accommodate?
The factory-installed feed-thru lugs on the line and load sides accept wire sizes from 4 AWG up to 350 kcmil.
What are the physical dimensions of the JGS3125FAG?
This 3-pole JG-frame breaker measures 4.13 inches in height, 4.13 inches in width, and 3.57 inches in depth, and weighs approximately 6 pounds.
Is the trip unit on the JGS3125FAG fully adjustable?
No, it features a fixed thermal element for long-time overload protection. However, it does include an adjustable magnetic element for instantaneous short-circuit protection.
Can the JGS3125FAG be used in direct current (DC) systems?
Yes, this breaker is rated for DC applications, providing an interrupting capacity of 22 kAIC at 250VDC.
What does the "S" in the JGS3125FAG catalog number indicate?
In Eaton's Series G nomenclature, the "S" designates the standard interrupting tier for the JG-frame, which provides a 35 kAIC rating at 480VAC.
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