Eaton / Cutler-Hammer JGH3250FAGC Molded Case Circuit Breaker
- 250A
- 3 Pole
- Unit Mount
Eaton / Cutler-Hammer
JGH3250FAGC
Molded Case Circuit Breaker
Brand
Eaton / Cutler-Hammer
SKU
JGH3250FAGC
Quantity
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Eaton / Cutler-Hammer JGH3250FAGC - 250A 3 Pole Molded Case Circuit Breaker
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Description
Rated for 100% continuous operation, the Eaton JGH3250FAGC is a 3-pole, 250A molded case circuit breaker for heavy-duty industrial environments. The "C" suffix indicates it carries its full rating continuously. This unit mount MCCB installs into Eaton Pow-R-Line panelboards and switchboards. It utilizes the JG-frame footprint for easy integration with Series G accessories. Delivering 65 kAIC at 480V, it provides LI protection with fixed thermal and adjustable magnetic trip settings.Specifications
| Brand | Eaton / Cutler-Hammer |
|---|---|
| Part Number | JGH3250FAGC |
| Series | JGH |
| Amperage | 250A |
| Poles | 3 |
| Mounting Style | Unit Mount |
| Voltage | 240VAC, 480VAC, 600VAC, 250VDC |
| Phase | 3 |
| AIC Rating | 100kA @ 240VAC, 65kA @ 480VAC, 25kA @ 600VAC, 22kA @ 250VDC |
| Frame Type | JGH |
|---|---|
| Terminal Type | Lugs |
| For Use With | Eaton Pow-R-Line Panelboards, Switchboards, Motor Control Centers |
| 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 | Auxiliary Switch, Shunt Trip, Undervoltage Release, Alarm Switch |
|---|---|
| Accessories | Line and Load Lugs Included, Mounting Hardware |
| 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, Current Limiting, High Interrupting Capacity, 100% Rated |
Product FAQs
6 answersWhat equipment is the JGH3250FAGC designed to be installed in?
This Series G, JG-frame breaker is engineered for integration into Eaton Pow-R-Line panelboards, switchboards, and motor control centers.
How does the trip unit on the JGH3250FAGC operate?
It utilizes a thermal-magnetic trip unit with a fixed thermal element for long-time overload protection and an adjustable magnetic element. This allows panel builders to customize the instantaneous short-circuit response to match specific load requirements.
Can the JGH3250FAGC be used in DC power systems?
Yes, in addition to its standard AC ratings, this breaker is rated for 250VDC applications with a 22kA interrupting capacity, making it suitable for specific direct current control circuits.
What wire sizes are supported by the terminals on this breaker?
The JGH3250FAGC comes standard with factory-installed line and load lugs that accept conductors ranging from 4 AWG to 350 kcmil, ensuring it is ready for immediate termination without requiring separate lug kits.
How is the JGH3250FAGC mounted in an electrical enclosure?
This is a unit-mount, feed-thru circuit breaker. It bolts directly to the mounting surface or backpan rather than plugging onto a busbar, making it suitable for standalone enclosures or specific switchboard configurations.
Does this breaker provide ground fault or short-time protection?
No, the JGH3250FAGC features a standard thermal-magnetic trip unit with Long-Time and Instantaneous (LI) functions. It does not include integral ground fault or short-time protection.
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