Eaton / Cutler-Hammer JGX3150FAG Molded Case Circuit Breaker
- 150A
- 3 Pole
- Unit Mount
Quantity
Eaton / Cutler-Hammer JGX3150FAG - 150A 3 Pole Molded Case Circuit Breaker
New
Quantity
Description
The JGX3150FAG is a 150A, 3-pole molded case circuit breaker from Eaton's Series G family. It provides reliable overcurrent protection in a compact JG-frame footprint for commercial and industrial facilities. This unit mounts into Eaton Pow-R-Line panelboards, switchboards, and MCCs. It includes metric hardware and TA250FJ lugs accepting 8 AWG to 350 kcmil wire. Rated for 200 kAIC at 480VAC, it features a fixed thermal and adjustable magnetic trip unit to fine-tune short-circuit protection.Specifications
| Brand | Eaton / Cutler-Hammer |
|---|---|
| Series | JGX |
| Amperage | 150A |
| Poles | 3 |
| Mounting Style | Unit Mount |
| Voltage | 240VAC, 480VAC, 600VAC, 250VDC |
| Phase | 3 |
| AIC Rating | 200kA @ 240VAC, 200kA @ 480VAC, 50kA @ 600VAC, 50kA @ 250VDC |
| Frame Type | JG |
|---|---|
| Terminal Type | Lugs |
| For Use With | Eaton Pow-R-Line Panelboards, Switchboards, MCCs, Series G Enclosures |
| Wire Gauge | 8 AWG - 350 kcmil |
| Max Wire | 350 kcmil |
| Min Wire | 8 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, Padlock Attachment |
|---|---|
| Accessories | Line and Load Lugs (TA250FJ), Metric Mounting Hardware |
| Standards | CSA C22.2 No. 5, IEC 60947-2, NEMA AB 1, UL 489 |
| Approval | CCC, CE, CSA, IEC, KEMA, UL |
| Temp Rating | 40C |
| Construction Features | HACR Rated, Extra High Interrupting Capacity, 80% Rated |
Product FAQs
7 answersWhat does the X in the JGX3150FAG catalog number indicate?
The X designates the highest interrupting rating tier within the Eaton Series G JG-frame family. It provides up to 200kAIC at 480VAC, which is significantly higher than standard JGE or JGS breakers.
Are line and load lugs included with the JGX3150FAG?
Yes, the G at the end of the catalog number indicates that standard line and load lugs are factory-installed. These lugs accept 8 AWG to 350 kcmil wire.
How is the trip unit configured on this breaker?
The JGX3150FAG features a thermal-magnetic trip unit with a fixed thermal element for long-time overload protection and an adjustable magnetic element for instantaneous short-circuit protection. The magnetic trip can be adjusted via a dial on the face of the breaker.
What types of enclosures and equipment can house the JGX3150FAG?
This unit-mount breaker is compatible with Eaton Pow-R-Line panelboards, switchboards, motor control centers, and standalone Series G enclosures designed for JG-frame breakers.
Is there a newer Eaton series that replaces the Series G JG-frame breakers?
Yes, Eaton is transitioning from the legacy Series G to the newer Power Defense series. While the JGX3150FAG remains available for existing equipment, new installations often utilize the equivalent Power Defense molded case circuit breakers.
Can this breaker be used in DC applications?
Yes, the JGX3150FAG is rated for use in DC systems up to 250VDC, where it provides an interrupting rating of 50kAIC.
Does this breaker provide ground fault protection?
No, the JGX3150FAG is equipped with an LI (Long-Time, Instantaneous) trip unit. It does not include integral ground fault protection.
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