Eaton LHH3150FFG Molded Case Breaker - UL/CSA Certified

Part Number: LHH3150FFG
Manufacturer
Eaton
Part number
LHH3150FFG

Quick Summary

The Eaton LHH3150FFG molded case breaker protects electrical power distribution in industrial automation panels and control cabinets. Proper sizing and coordination are essential to minimize downtime and avoid nuisance trips on dynamic manufacturing lines. This LG-frame Series G MCCB is HACR rated and UL Listed with CSA certification, underscoring compliance and safety in both commercial and heavy industry environments. With a 150 A rating at 600 Vac and robust interrupt performance, it supports reliable protection while enabling straightforward installation and future expansion. For designers seeking long‑term reliability and clear documentation, this unit delivers strong value in panel assemblies and OEM builds.

Product Information

Extended Description

LHH3150FFG Eaton: Eaton Series G molded case circuit breaker, LG-frame, LH, Fixed thermal, fixed magnetic trip, Three-pole, 150A, 600 Vac, 100 kAIC at 240 Vac, 70 kAIC at 415 Vac, 65 kAIC at 480 Vac, 35 kAIC at 600 Vac, Line and load, Metric
Product Name
Eaton Series G complete molded case circuit breaker
Catalog Number
LHH3150FFG
UPC
786685227047
Product Length/Depth
15.75 in
Product Height
7.13 in
Product Width
7.75 in
Product Weight
16.25 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.
Certifications
CSA Certified UL Listed
Catalog Notes
LG breaker is HACR rated
Type
Complete breaker
Amperage Rating
150 A
Voltage rating
600 Vac
Trip Type
T186
Circuit breaker type
LH
Circuit breaker frame type
Complete breaker
Terminals
Line and load
Frame
LG
Mounting hardware
Metric
Interrupt rating
65 kAIC at 480 Vac 35 kAIC at 600 Vac 70 kAIC at 415 Vac 100 kAIC at 240 Vac
Number of poles
Three-pole
Feature: Three-pole LG-frame complete breaker enables coordinated protection for three-phase loads. Benefit: Simplified panel design and predictable performance reduce engineering time and downtime. Application: Primary feeders and machine control circuits in automated lines. Feature: 150 A rating at 600 Vac with fixed thermal and magnetic trip (T186). Benefit: Precise overload and short-circuit protection across critical voltages, minimizing equipment damage and unplanned outages. Application: Motor starters, drives, and power distribution panels in manufacturing environments. Feature: Robust interrupt ratings across voltages (65 kAIC at 480 Vac; 70 kAIC at 415 Vac; 35 kAIC at 600 Vac; 100 kAIC at 240 Vac). Benefit: Enhanced safety margin for high-energy faults and improved system reliability. Application: Large motors, transformers, and feeders requiring strong fault-current withstand. Feature: Line and load terminals with metric mounting hardware. Benefit: Easy installation and faster commissioning with compatible hardware and standardized mounting. Application: OEM panels and retrofit projects where space and accessibility matter. Feature: Certifications and HACR rating (UL Listed, CSA Certified, HACR). Benefit: Streamlined compliance and safer operation in industrial and commercial facilities. Application: Environments with strict electrical code requirements and audit readiness. Feature: Documentation and availability of product resources (datasheets, application notes, and catalog data). Benefit: Faster design decisions, easier maintenance planning, and better parts availability. Application: Engineering design reviews, panel modification projects, and service planning.

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FAQs

Yes. The LHH3150FFG uses the LG frame and metric mounting hardware, designed for easy integration into Series G panels and OEM enclosures. It accepts line-and-load terminals and supports standard mounting clearances. For optimal fit, verify side-by-side clearance and torque values per the Eaton datasheet and ensure compatible accessory kits are used with the Series G MCCB family.
Key specifications include a 150 A continuous rating at 600 Vac, fixed thermal and magnetic trip (T186), and interruption ratings of up to 65 kAIC at 480 Vac (with other voltages listed in the catalog). This combination provides strong short-circuit protection while preserving downstream equipment and minimizing nuisance trips in industrial circuits.
Absolutely. The LHH3150FFG is a three-pole LG-frame MCCB with HACR rating, suitable for motor feeders, drives, and control circuits within automation panels. Its high interrupt ratings and 150 A capacity support reliable motor protection, while its fixed trip characteristics enable quick coordination with upstream protection devices and reliable startup sequences.
The device is UL Listed and CSA Certified, with HACR-rated catalog notes. These approvals streamline compliance for industrial and commercial installations, facilitate safety audits, and support performance validation in regions that require recognized electrical protection standards.
Eaton provides a warranty under policy 25-000: one year from installation or eighteen months from shipment, whichever occurs first. Additional resources include application notes, product brochures, and data sheets available through Eaton’s MCCB catalog and series‑G documentation to aid installation, inspection, and ongoing maintenance.