Eaton JGS4090FAG Molded Case Breaker - UL Listed
Part Number: JGS4090FAG
Quick Summary
Eaton JGS4090FAG molded case circuit breaker protects industrial power systems in panel boards and control cabinets. Engineers seek reliable protection with precise coordination to minimize downtime and equipment damage. The JG frame supports fixed thermal and adjustable magnetic trip, delivering 90 A at 600 Vac and 250 Vdc, with high interrupt ratings (85 kAIC at 240 Vac, 35 kAIC at 480 Vac, 18 kAIC at 600 Vac). This unit is CSA Certified, UL Listed, and CE Marked, ensuring compliance across North America and Europe. Its four-pole design with line/load terminals simplifies installation in space-constrained enclosures, while the Series G family supports consistent selectivity with other MCCBs. For buyers, this translates to safer startup, predictable protection, and reduced total cost of ownership.
Product Information
Extended Description
JGS4090FAG Eaton: Eaton Series G molded case circuit breaker, JG-frame, JG, Fixed thermal, adjustable magnetic trip, Four-pole, 90A, 600 Vac, 250 Vdc, 85 kAIC at 240 Vac, 35 kAIC at 480 Vac, 18 kAIC at 600 Vac, Line and load, 50/60 Hz
Product Name
Eaton Series G complete molded case circuit breaker
Catalog Number
JGS4090FAG
UPC
782113964195
Product Length/Depth
3.44 in
Product Height
7 in
Product Width
5.34 in
Product Weight
8 lb
Warranty
Eaton Selling Policy 25-000, one (1) year from the date of installation of the Product or eighteen (18) months from the date of shipment of the Product, whichever occurs first.
Compliances
CE Marked
Certifications
CSA Certified IEC Rated UL Listed
Type
Complete breaker
Amperage Rating
90 A
Voltage rating
600 Vac, 250 Vdc
Trip Type
T185
Circuit breaker type
JG
Circuit breaker frame type
Complete breaker
Series
Series G
Terminals
Line and load
Frame
JG
Frequency rating
50/60 Hz
Interrupt rating
35 kAIC at 480 Vac 85 kAIC at 240 Vac 18 kAIC at 600 Vac
Number of poles
Four-pole
Application of Multi-Wire Terminals for Molded Case Circuit Breakers
Application of Multi-Wire Terminals for Molded Case Circuit Breakers
High performance operating handles for Series G circuit breakers product aid
High performance operating handles for Series G circuit breakers product aid
High performance operating handles for Series G circuit breakers product aid
High performance operating handles for Series G circuit breakers product aid
High performance operating handles for Series G circuit breakers product aid
High performance operating handles for Series G circuit breakers product aid
High performance operating handles for Series G circuit breakers product aid
High performance operating handles for Series G circuit breakers product aid
High performance operating handles for Series G circuit breakers product aid
High performance operating handles for Series G circuit breakers product aid
High performance operating handles for Series G circuit breakers product aid
High performance operating handles for Series G circuit breakers product aid
Breaker service centers
Circuit Protection, Molded Case Circuit Breakers, Volume 4, Tab 2
Eaton Specification Sheet - JGS4090FAG
Eaton Specification Sheet - JGS4090FAG
Eaton Specification Sheet - JGS4090FAG
Selling Policy 25-000 - Distribution and Control Products and Services
Feature → Business Impact → Application: The JGS4090FAG provides a complete molded case breaker with a fixed thermal trip and adjustable magnetic trip, delivering precise protection for motors and feeders. This translates to improved system reliability and reduced nuisance tripping in motor control centers and switchgear assemblies. Application: Use in panel boards and control cabinets where 50/60 Hz operation and four-pole protection are required. Feature → Business Impact → Application: Four-pole configuration with line and load terminals enables straightforward installation and robust protection for three-phase systems, supporting safer commissioning and easier field wiring in industrial automation. Application: Ideal for machine builders and OEM panel houses seeking compact MCCB solutions with reliable coordination. Feature → Business Impact → Application: 90 A rating combined with 600 Vac and 250 Vdc capability covers common industrial loads while maintaining safe допустим operation, reducing the need for oversized protection devices. Application: Suitable for control circuits, feeders, and MCCB replacements in commercial/industrial facilities. Feature → Business Impact → Application: High interrupt ratings (85 kAIC at 240 Vac, 35 kAIC at 480 Vac, 18 kAIC at 600 Vac) provide strong short-circuit protection, minimizing damage to upstream equipment. Application: Critical in facility power distribution and process automation where fast, reliable interruption is essential. Feature → Business Impact → Application: Compliance with CSA Certified, UL Listed, and CE Marked standards accelerates qualification and reduces risk in multinational projects. Application: Global deployments in North American and European environments demand these certifications for procurement and installation approvals. Feature → Business Impact → Application: Compact dimensions (3.44 in D, 5.34 in W, 7 in H) and 8 lb weight simplify enclosure layout and reduces rack space, enabling easier retrofits and scalable protection in growing systems. Application: Ideal for retrofit projects where space is a constraint and performance cannot be compromised.
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FAQs
The JGS4090FAG fits standard four-pole MCCB installations with line and load terminals in panel boards and control cabinets. Designed for 50/60 Hz operation, it integrates easily with Series G devices to maintain coordinated protection across motor and feeder circuits.
This unit provides a 90 A amperage rating, 600 Vac and 250 Vdc voltage ratings, and a T185 trip type. It supports four poles, 50/60 Hz operation, and high interrupt ratings (85 kAIC at 240 Vac, 35 kAIC at 480 Vac, 18 kAIC at 600 Vac) for robust short-circuit protection.
Yes. The JGS4090FAG is CSA Certified, UL Listed, and CE Marked, which ensures conformance with North American and European safety and performance standards for industrial protection and control equipment.
Eaton applies Selling Policy 25-000, offering a one-year warranty from the date of installation or eighteen months from shipment, whichever occurs first. This provides protection against manufacturing defects and supports service planning.
Series G MCCBs are designed for consistent selectivity with other protection devices, featuring a compact four-pole construction and line/load terminations that simplify wiring. This translates to easier retrofits, scalable protection, and reliable coordination in control panels and industrial enclosures.