Eaton LGS4250FAG Complete LG Series G MCCB - UL Listed
Part Number: LGS4250FAG
Quick Summary
The Eaton LGS4250FAG complete LG Series G MCCB protects industrial power systems with reliable short-circuit and overload protection. Designed for panels where space, coordination, and safety matter, this four-pole breaker supports metric mounting hardware and line/load terminations for straightforward installation. UL Listed, CSA Certified, and IEC Rated, with CE compliance, it helps meet global safety and performance standards. The device features fixed thermal protection with an adjustable magnetic trip (T185) and a 250 A rating, making it suitable for motor feeders and critical loads. With Series G HACR rating and high interrupt ratings across voltages, it provides scalable protection while reducing downtime and maintenance in challenging environments.
Product Information
Extended Description
LGS4250FAG Eaton: Series G MCCB: LG Frame, 250A, Four-pole, neutral 0% protected, 85 kAIC at 240V, 50 kAIC at 415V, 50 kAIC at 480V, 25 kAIC at 600V, Line/load standard w/ metric mounting hardware, Fixed thermal, adj. magnetic
Product Name
Eaton Series G complete molded case circuit breaker
Catalog Number
LGS4250FAG
UPC
782116142613
Product Length/Depth
4.09 in
Product Height
7.22 in
Product Width
7.22 in
Product Weight
20 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
UL Listed CSA Certified IEC Rated
Catalog Notes
LG breaker is HACR rated
Type
Complete breaker
Amperage Rating
250 A
Trip Type
T185
Circuit breaker type
LG
Circuit breaker frame type
Complete breaker
Rating
80% rated
Series
Series G
Terminals
Line and load
Frame
LG
Frequency rating
50 to 60 Hz
Mounting hardware
Metric
Interrupt rating
25 kAIC at 600 Vac 50 kAIC at 480 Vac 85 kAIC at 240 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
MOEM MCCB product selection guide
MOEM MCCB product selection guide
MOEM MCCB product selection guide
The 250 A LG-frame four-pole design delivers robust protection for feeders and motors in compact panels, reducing nuisance trips and enabling precise coordination with upstream devices. This translates to less unplanned downtime and lower maintenance costs, especially in energy-intensive facilities. The fixed thermal with adjustable magnetic trip (T185) delivers reliable protection against both overloads and short circuits, while the high interrupt ratings—85 kAIC at 240 V, 50 kAIC at 415 and 480 V, and 25 kAIC at 600 V—protects equipment in diverse distribution schemes. Metric mounting hardware simplifies installation and aligns with standard panel construction, enabling faster project timelines and consistent wiring practices. UL Listed, CSA Certified, IEC Rated, and CE Marked, the unit satisfies global regulatory requirements, reducing approvals overhead for multinational deployments. This MCCB is HACR-rated and designed for 50–60 Hz operation, ensuring compatibility with common industrial controls and motors. Overall, the LGS4250FAG supports safer, more reliable power distribution while helping engineering teams meet strict uptime targets and ROI objectives.
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FAQs
For optimal installation, use the metric mounting hardware specified for the LG frame and connect both line and load terminals as labeled. The unit measures 7.22 in width and height with a depth of 4.09 in and weighs about 20 lb, making it suitable for compact panel spaces. Ensure clearance per enclosure guidelines and verify the panel cutout and mounting provisions accommodate four-pole assemblies for reliable clearance and torque integrity.
This MCCB is rated for 250 A with a trip type of T185. Interrupt ratings are 85 kAIC at 240 V, 50 kAIC at 415 and 480 V, and 25 kAIC at 600 V. It operates at 50–60 Hz and features fixed thermal protection with an adjustable magnetic trip, enabling precise coordination with connected motors and feeders while maintaining safety margins during fault conditions.
Yes. The LG frame Series G breaker is HACR rated and designed for motor protection and control panel roles. Its high interrupt ratings, 250 A capacity, and four-pole configuration are well-suited for motor feeders and distribution circuits in industrial settings, helping to meet motor control requirements and improve system reliability.
The LGS4250FAG is UL Listed, CSA Certified, and IEC Rated, with CE Marking. These certifications support global compliance for equipment installations, reduce validation time for multinational projects, and align with typical industrial procurement and procurement policy requirements.
Eaton provides a standard warranty per policy 25-000: one year from installation or eighteen months from shipment, whichever occurs first. This warranty covers manufacturing defects and supports proactive maintenance planning, while Eaton’s service network can assist with installation support, part availability, and technical guidance for lifecycle optimization.