Eaton JGU4250FAG Complete MCCB - UL Listed, 600 Vac

Part Number: JGU4250FAG
Manufacturer
Eaton
Part number
JGU4250FAG

Quick Summary

Eaton Series G complete molded case circuit breaker protects industrial feeders with fixed thermal and adjustable magnetic trip. Engineers often struggle with nuisance trips, limited panel space, and coordinating protective devices across evolving automation systems. This unit is IEC rated, UL listed, and CSA certified, supporting global compliance and OEM integration. Designed for reliability and scalability in control panels, it pairs with Series G accessories for streamlined installation. This combination delivers faster commissioning, reduced downtime, and safer electrical protection. The product’s 250 A rating and 600 Vac operation support heavy industrial loads while its 200 kAIC at 240 Vac interrupt rating enhances short-circuit resilience. With metric mounting and line/load terminals, installation is straightforward in new builds or retrofits.

Product Information

Extended Description

JGU4250FAG Eaton: Eaton Series G molded case circuit breaker, JG-frame, JG, Fixed thermal, adj. magnetic trip, Four-pole, 250A, 600 Vac, 200 kAIC at 240 Vac, 150 kAIC at 480 Vac, 50 kAIC at 600 Vac, Line/load, Metric, 50/60 Hz, 80% rated
Product Name
Eaton Series G complete molded case circuit breaker
Catalog Number
JGU4250FAG
UPC
786685127088
Product Length/Depth
3.57 in
Product Height
5.34 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
IEC Rated UL Listed CSA Certified
Type
Complete breaker
Amperage Rating
250 A
Voltage rating
600 Vac
Trip Type
T185
Circuit breaker type
JG
Circuit breaker frame type
Complete breaker
Protection
0% protected neutral pole
Rating
80% rated
Series
Series G
Terminals
Line and load
Frame
JG
Frequency rating
50 to 60 Hz
Mounting hardware
Metric
Interrupt rating
200 kAIC at 240 Vac 50 kAIC at 600 Vac 150 kAIC at 480 Vac
Number of poles
Four-pole
With a 250 A, 600 Vac rating in a four-pole JG frame, this MCCB delivers robust protection in a compact footprint. The business impact is clear: higher current handling per device means fewer devices in a panel and streamlined wiring. In practice, it suits distribution panels and machine enclosures across manufacturing lines where space and reliability matter. The T185 trip type with adjustable magnetic settings enables precise coordination across feeders and loads. This reduces nuisance trips and improves selectivity, helping prevent unnecessary outages during startup surges. Applications include motor control centers and automation racks where reliable protection is essential. High interrupt ratings up to 200 kAIC at 240 Vac, 150 kAIC at 480 Vac, and 50 kAIC at 600 Vac provide fault tolerance in large panels and high-energy environments. Business impact: improved safety margins and reduced equipment damage during short circuits. Applications include plant power distribution and critical control panels with demanding fault current levels. Line and load terminals with metric mounting hardware simplify installation and retrofit, promoting faster commissioning and easier future expansions. Certification to IEC, UL, and CSA standards with CE marking supports global installations and OEM integration.

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FAQs

For new installations, use the metric mounting hardware and line/load terminals specified for the JGU4250FAG. The four-pole, 250 A, 600 Vac MCCB fits standard Series G panels and requires proper clearance for service access. Follow Eaton installation notes and panel guidelines to ensure correct torque, wiring routing, and safety clearances, enabling reliable protection from day one.
Key specs include a 250 A amperage rating, 600 Vac voltage rating, four-pole configuration (JG frame), and a T185 trip type with adjustable magnetic trip. The interrupt ratings are 200 kAIC at 240 Vac, 150 kAIC at 480 Vac, and 50 kAIC at 600 Vac, with a 50/60 Hz frequency rating and line/load terminals for straightforward wiring.
Yes. The JGU4250FAG uses a fixed thermal and adjustable magnetic trip (T185) to enable selective coordination with other protective devices. This reduces nuisance trips during startup surges and improves protective selectivity for motors and feeders in automation contexts, enhancing overall reliability in control panels and MCCs.
The JGU4250FAG is IEC rated, UL Listed, and CSA Certified, with CE marking. These certifications support global compliance across panels and OEM integrations, ensuring the unit meets international electrical protection standards for reliability and safety.
Series G MCCBs like the JGU4250FAG reduce maintenance downtime through reliable protection and easier servicing due to modular, standardized components. The 1-year warranty (or 18 months from shipment) provides added protection, while high interrupt ratings and durable construction help prevent costly outages in manufacturing environments.