Eaton / Cutler-HammerJGS3125FAG
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Eaton / Cutler-Hammer JGE3125FAG Molded Case Circuit Breaker
- 125A
- 3 Pole
- Unit Mount
Eaton / Cutler-Hammer
JGE3125FAG
Molded Case Circuit Breaker
Brand
Eaton / Cutler-Hammer
SKU
JGE3125FAG
Quantity
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Eaton / Cutler-Hammer JGE3125FAG - 125A 3 Pole Molded Case Circuit Breaker
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Description
The Eaton JGE3125FAG is a high-performance, 125-amp molded case circuit breaker tailored for industrial power systems. Belonging to the proven Series G family, this three-pole device offers dependable protection within a durable JG frame. Mounting securely into Eaton Series G motor control centers, it is frequently utilized as a cross-reference for legacy J3125 breakers.Specifications
| Brand | Eaton / Cutler-Hammer |
|---|---|
| Part Number | JGE3125FAG |
| Series | JGE |
| Amperage | 125A |
| Poles | 3 |
| Mounting Style | Unit Mount |
| Voltage | 240VAC, 480VAC, 600VAC, 250VDC |
| Phase | 3 |
| AIC Rating | 65kA @ 240VAC, 25kA @ 480VAC, 18kA @ 600VAC, 10kA @ 250VDC |
| Frame Type | JG |
|---|---|
| Terminal Type | Lugs |
| For Use With | Eaton Series G Panelboards, Switchboards, Motor Control Centers |
| Wire Gauge | 8 AWG - 350 kcmil (Al/Cu) |
| 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 |
|---|---|
| Accessories | Line and Load Terminals (TA250FJ), Metric Mounting Hardware |
| Standards | CSA C22.2 No. 5, IEC 60947-2, NEMA AB 1, UL 489 |
| Approval | CE, CSA, HACR, IEC, KEMA, UL |
| Temp Rating | 40C |
| Construction Features | 80% Rated, HACR Rated |
Product FAQs
9 answersWhat do the letters in the JGE3125FAG catalog number mean?
The prefix "JGE" designates the JG frame with an E-tier interrupting capacity. The "3" indicates three poles, and "125" is the amperage. The "FA" suffix means it has a fixed thermal and adjustable magnetic trip unit, while "G" indicates it meets global standards.
What is the difference between the JGE, JGS, and JGH series breakers?
The third letter in the series prefix indicates the interrupting capacity. The JGE offers a 25kA rating at 480VAC, while the JGS (35kA at 480VAC), JGH (65kA at 480VAC), and JGC (100kA at 480VAC) models provide higher interrupting ratings for systems with higher available fault currents.
Are line and load terminals included with the JGE3125FAG?
Yes, this breaker comes standard with line and load side lug terminals. They accept 8 AWG to 350 kcmil aluminum or copper wire.
How is the trip unit on the JGE3125FAG adjusted?
This breaker features a fixed thermal and adjustable magnetic trip unit. The magnetic instantaneous trip setting can be adjusted using the dial located on the front of the breaker to coordinate with your specific system requirements.
What type of protection does the JGE3125FAG provide?
It uses a thermal magnetic trip unit with long time and instantaneous (LI) functions. The fixed thermal element provides overload protection, while the adjustable magnetic element protects against short circuits.
What types of equipment is the JGE3125FAG compatible with?
This JG frame breaker is designed for use in Eaton Series G panelboards, switchboards, and motor control centers.
Is the Eaton JGE3125FAG fully rated or 80 percent rated?
The JGE3125FAG is a standard 80 percent rated circuit breaker. This means continuous loads should not exceed 100 amps, which is 80 percent of its 125A nominal rating, for three hours or more.
What safety standards does the JGE3125FAG meet?
The "G" in the catalog number indicates global acceptance. It meets UL, CSA, IEC, CCC, and CE standards for worldwide application in industrial power systems.
Can the JGE3125FAG replace older legacy breakers?
Yes, it is frequently utilized as a cross-reference and replacement for legacy Westinghouse or Cutler-Hammer J3125 breakers. Verify your panel requirements, as specific mounting hardware or adapters may be needed.
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