Eaton Series G JG-Frame Molded...
IN STOCK (leaves warehouse same day if ordered before 3pm ET)
$7,096.30
Eaton Series G JG-Frame Molded Case Circuit Breaker, Three-Pole, 600V

Eaton Series G JG-Frame Molded Case Circuit Breaker, Three-Pole, 600V

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Model: JGH3175FAG

In Stock (leaves warehouse same day if ordered before 3pm ET)

$7,096.30
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Eaton Series G JG-Frame Molded Case Circuit Breaker, Three-Pole, 600V

The Eaton Series G JG-Frame Complete Molded Case Circuit Breaker delivers reliable overcurrent protection for commercial and industrial power distribution systems. Built on the JG frame with a three-pole configuration, this complete breaker is rated 600 Vac and available with amperage ratings such as 250 A, giving installers a dependable option for panelboard and switchgear protection. With a fixed thermal, adjustable magnetic trip and interrupt ratings up to 100 kAIC at 240 Vac, 65 kAIC at 480 Vac, and 25 kAIC at 600 Vac, this Series G breaker is engineered for demanding electrical environments.

Key Features

  • Frame & Poles: JG-frame, three-pole design for balanced three-phase circuit protection.
  • Voltage Rating: 600 Vac rating supports a wide range of distribution voltages.
  • Amperage Rating: 250 A, 80% rated, for sized load protection.
  • Trip Type: Fixed thermal, adjustable magnetic trip for tunable overcurrent response.
  • Interrupt Rating: 100 kAIC at 240 Vac, 65 kAIC at 480 Vac, 25 kAIC at 600 Vac for high fault-current environments.
  • Terminals: Line and load terminals with metric mounting hardware for straightforward installation.
  • Frequency Rating: 50-60 Hz for global power system compatibility.
  • Dimensions: 4.13 IN width, 4.13 IN height, and 3.57 IN depth for compact panel layouts.

Certifications & Compliance

  • CE Marked
  • IEC Rated

Technical Specifications

  • Number Of Poles: Three-pole
  • Product Width: 4.13 IN
  • Rating: 80% rated
  • Voltage Rating: 600 Vac
  • Amperage Rating: 250 A
  • Terminals: Line and load
  • Product Length/Depth: 3.57 IN
  • Frame: JG-frame
  • Product Height: 4.13 IN
  • Type: Complete breaker
  • Mounting Hardware: Metric
  • Series: Series G
  • Circuit Breaker Type: JG
  • Circuit Breaker Frame Type: Complete breaker
  • Compliances: CE Marked
  • Trip Type: Fixed thermal, adjustable magnetic
  • Frequency Rating: 50-60 Hz
  • Interrupt Rating: 100 kAIC at 240 Vac, 65 kAIC at 480 Vac, 25 kAIC at 600 Vac
  • Certifications: IEC Rated

Typical Applications

  • Commercial and Industrial Electrical Installations
  • Panelboard and Switchgear Circuit Protection
  • Three-Phase Power Distribution Systems
  • Motor and Feeder Circuit Protection
  • Control Panel Applications

Why Eaton?

Eaton's Series G JG-Frame breaker combines a fixed thermal, adjustable magnetic trip with high interrupt ratings up to 100 kAIC, delivering dependable circuit protection for demanding three-phase applications. CE Marked and IEC Rated, this complete molded case circuit breaker is built for code-compliant performance in professional electrical installations.

Manufacturer Resources

Product Specs

Series:
Series G
Terminals:
Line and load
Department:
Electrical
Voltage Rating:
600V
Performance Rating:
80% rated
Compliances:
CE Marked
Trip Type:
Fixed thermal, adjustable magnetic
Product Type:
Circuit Breaker
Amperage Rating:
250A
Configuration:
3-Pole
Listing:
CE Marked
Standards:
IEC Rated
Product Group:
Circuit Protection
Product Subgroup:
Circuit Breakers

Eaton JGH3175FAG – Frequently Asked Questions

1) Will an Eaton JGH-frame breaker hold up on a 480V service with high available fault current?
At 480 Vac the JGH breaker interrupts 65 kAIC, so it covers most commercial 480Y/277 services. The full set is 100 kAIC at 240 Vac, 65 kAIC at 480 Vac and 25 kAIC at 600 Vac. If your fault study shows more than 65 kA at 480V, this frame is not enough and you need a higher-interrupting frame or series-rated combination.
2) What amperages does the Eaton Series G JGH three-pole breaker come in?
Two ratings: 175 A (JGH3175FAG) and 250 A (JGH3250FAG). Both are three-pole, 600 Vac complete breakers on the JG frame. Order by the amp rating that matches your feeder or motor circuit, since the thermal element is fixed and cannot be swapped.
3) Will an Eaton Series G JGH breaker fit in my panel enclosure?
The breaker measures 4.13 in wide, 4.13 in high and 3.57 in deep, and it ships as a complete breaker with line and load terminals. Note the mounting hardware is metric, which matters if you are matching an existing NEMA-drilled mounting pan or reusing hardware from a different frame.
4) Will a JGH breaker work on a 600V three-phase industrial feeder?
Yes, it is rated 600 Vac, but the interrupting capacity drops to 25 kAIC at 600 Vac compared with 65 kAIC at 480 Vac. On a 600V system with high available fault current, check your short-circuit study against that 25 kA figure before you commit.
5) Does the JGH breaker have an adjustable trip for motor starting inrush?
The magnetic (instantaneous) side is adjustable, which is what you use to ride through motor inrush without nuisance tripping; the thermal overload element is fixed at the breaker's amp rating. That makes it workable for motor and feeder circuits where starting current is high but steady-state load is known.
6) Is the Eaton JGH breaker suitable for a 50 Hz export panel or an IEC-spec job?
Yes. It is rated 50-60 Hz, CE Marked and IEC Rated, so it works in panels built to IEC standards and on 50 Hz systems as well as 60 Hz North American distribution.
7) Can I use this three-pole JGH breaker on a single-phase 240V circuit?
Electrically you can use two of the three poles on a 240 Vac single-phase circuit, and the breaker carries 100 kAIC at 240 Vac. But it is built as a three-pole device for balanced three-phase protection, so for a straight single-phase feeder a two-pole breaker of the same frame family is the cleaner specification and takes less panel space.
8) Is this a complete breaker or just a trip unit I add to an existing frame?
It is a complete breaker, meaning frame, trip unit and terminals in one assembly ready to mount. You are not ordering a separate trip unit or a frame shell, so nothing additional is required to make the breaker functional beyond the mounting and conductor terminations in your panel.
How fast can I get the Eaton JGH3175FAG delivered?
Most orders ship the same day from our distribution partners, with quick delivery throughout the continental U.S. Need it urgently? Contact Us for expedited shipping options.
Can I return it if it doesn’t work for me?
Yes—ZenSupply offers a hassle-free return policy. If the product isn’t the right fit, reach out to our support team for a return authorization or setup a return by following our return instructions.
Does the Eaton JGH3175FAG come with a warranty?
Absolutely. The Eaton JGH3175FAG is backed by a manufacturer’s warranty. For full warranty terms, check the product documentation or Contact Us.
How do I get technical support or installation help for the Eaton JGH3175FAG?
You can call, text, or email our expert support team for fast answers. We’re here to help with product selection, installation tips, and troubleshooting. Contact Us
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