Eaton / Cutler-Hammer JGC3150FAG Molded Case Circuit Breaker
- 150A
- 3 Pole
- Unit Mount
Quantity
Eaton / Cutler-Hammer JGC3150FAG - 150A 3 Pole Molded Case Circuit Breaker
New
Quantity
Description
Rated 100kAIC at 480VAC, the Eaton JGC3150FAG is a 3-pole, 150A Series G molded case circuit breaker. It utilizes a fixed thermal and adjustable magnetic trip unit to deliver reliable LI protection. Designed as a unit mount MCCB, it integrates seamlessly into Eaton Pow-R-Line 3a and 4 panelboards, motor control centers, and switchboards. The JG-frame construction includes line and load lugs. The "C" in the JGC catalog prefix denotes its high interrupting capacity.Specifications
| Brand | Eaton / Cutler-Hammer |
|---|---|
| Part Number | JGC3150FAG |
| Series | JGC |
| Amperage | 150A |
| Poles | 3 |
| Mounting Style | Unit Mount |
| Voltage | 240VAC, 480VAC, 600VAC, 250VDC |
| Phase | 3 |
| AIC Rating | 200kA @ 240VAC, 100kA @ 480VAC, 35kA @ 600VAC, 42kA @ 250VDC |
| Frame Type | JG |
|---|---|
| Terminal Type | Lugs |
| For Use With | Eaton Pow-R-Line 3a Panelboards, Eaton Pow-R-Line 4 Panelboards, Eaton Series G Panelboards, Switchboards, Motor Control Centers |
| Wire Gauge | 4 AWG - 350 kcmil (Al/Cu) |
| 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, Padlock Attachment, Motor Operator, Rotary Handle, Handle Lock, Terminal Shields |
|---|---|
| Accessories | Line and Load Terminals (TA250FJ) |
| Standards | CSA C22.2 No. 5, IEC 60947-2, UL 489 |
| Approval | CCC, CE, CSA, IEC, KEMA, UL |
| Temp Rating | 40C |
| Construction Features | HACR Rated, Current Limiting, High Interrupting Capacity |
Product FAQs
6 answersWhat does the "C" in the JGC catalog prefix indicate?
In the Eaton Series G JG-frame family, the "C" designates a high interrupting capacity tier. It provides 200 kAIC at 240VAC and 100 kAIC at 480VAC, which is significantly higher than the standard JGE, JGS, or JGH tiers.
Can the JGC3150FAG be reverse fed?
Yes. Standard Eaton Series G JG-frame thermal-magnetic circuit breakers are suitable for reverse feed applications, allowing flexibility in panel routing and installation.
Is this breaker a direct replacement for older Cutler-Hammer JGC3150FAG models?
Yes. Eaton retained the exact catalog numbers, physical dimensions, and performance specifications during the brand transition. The Series G JGC3150FAG is a drop-in replacement for legacy Cutler-Hammer branded units.
Does the JGC3150FAG include mounting hardware and lugs?
Yes. Eaton Series G JG-frame circuit breakers include the necessary mounting hardware and standard line and load lugs directly from the factory, eliminating the need to source them separately.
How must the JGC3150FAG be wired to achieve its 250 VDC interrupting rating?
While the breaker is rated for 42 kAIC at 250 VDC, achieving this DC rating requires wiring two of the three poles in series according to manufacturer guidelines.
How is the short-circuit protection adjusted on the JGC3150FAG?
The magnetic trip element is adjustable via a dial on the face of the breaker, allowing panel builders to fine-tune the instantaneous short-circuit pickup to match specific load requirements. The thermal overload element remains fixed.
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