Eaton LGS8630AAG Molded Case Circuit Breaker - UL Listed
Part Number: LGS8630AAG
Quick Summary
Eaton LGS8630AAG molded case circuit breaker protects power distribution panels by providing adjustable thermal and magnetic trip for IEC markets. This combination supports reliable protection across variable load profiles, from motor starts to delicate control circuits. Designers often struggle to balance selectivity, startup surge protection, and compliance within limited cabinet space, especially when panel densities increase. The unit's four-pole LG frame and HACR-rated performance deliver accurate fault isolation while meeting evolving installation standards. UL Listed certification adds confidence for system integrators and end users alike. Beyond safety, this MCCB enables streamlined commissioning through metric mounting hardware, standardized line/load connections, and scalable protection strategies, yielding improved uptime, easier maintenance, and lower total cost of ownership for industrial facilities.
Product Information
Extended Description
LGS8630AAG Eaton: Eaton Series G molded case circuit breaker, LG-frame, LG, adj. thermal, adj. magnetic trip, Four-pole, 630A, 240 Vac, 85 kAIC at 240 Vac, 50 kAIC at 415/480 Vac, 25 kAIC at 600 Vac, Line/load, Metric, 0-60% adjustable protected neut. pole
Product Name
Eaton Series G complete molded case circuit breaker
Catalog Number
LGS8630AAG
UPC
782116167609
Product Length/Depth
7.22 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.
Certifications
UL Listed
Catalog Notes
Adjustable thermal, adjustable magnetic trip units are typically used in IEC markets and are not UL or CSA listed, LG breaker is HACR rated
Type
Complete breaker
Amperage Rating
630 A
Voltage rating
240 V AC
Trip Type
Adjustable thermal, adjustable magnetic
Circuit breaker type
LG
Circuit breaker frame type
Complete breaker
Protection
0-60% adjustable protected neutral pole
Terminals
Line and load
Frame
LG
Mounting hardware
Metric
Interrupt rating
85 kAIC at 240 Vac 50 kAIC at 415/480 Vac 25 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
MOEM MCCB product selection guide
MOEM MCCB product selection guide
MOEM MCCB product selection guide
Selling Policy 25-000 - Distribution and Control Products and Services
Feature: Adjustable thermal and magnetic trip. Business Impact: Enables precise coordination and fault discrimination, reducing nuisance tripping and protecting wiring under varying loads. Application: Ideal for IEC panel boards and motor workloads where startup surges vary. The result is improved uptime and fewer unwarranted shutdowns in pump, fan, and conveyor circuits. Feature: LG-frame, four-pole design with line/load terminals. Business Impact: Delivers compact, robust physical protection with straightforward wiring and mounting. Application: Suitable for space-constrained control panels and distribution enclosures, enabling denser layouts without sacrificing protection quality. Feature: 0-60% adjustable protected neutral pole. Business Impact: Supports selective coordination and safer neutral handling across multi-breaker installations. Application: Critical in control cabinets with shared neutral circuits and mixed-voltage loads, delivering safer, more reliable operation. Feature: High interrupt ratings (85 kAIC at 240 VAC; 50 kAIC at 415/480 VAC; 25 kAIC at 600 VAC). Business Impact: Maximizes fault current withstand across a range of supply conditions, reducing system-wide damage risks. Application: Suitable for motor starters and critical process controls in harsh industrial environments. Feature: UL Listed and HACR rated with IEC market orientation. Business Impact: Ensures regulatory compliance and compatibility with diverse panels, while supporting energy-efficient design choices. Application: Use in IEC-based panel assemblies, with warranty and service support aligned to standard industry practices. Feature: Metric mounting hardware and standard line/load connections. Business Impact: Simplifies installation, reduces commissioning time, and improves consistency across assemblies. Application: Fits common industrial enclosures and retrofit projects, accelerating field updates and service.
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FAQs
Installation requires securing the unit with metric mounting hardware, wiring the line and load terminals per the LG-frame design, and configuring the four-pole assembly to ensure proper alignment with the protected neutral pole. Verify the panel space, tighten terminals to manufacturer torque recommendations, and confirm correct phase connections prior to energizing the system.
The MCCB is rated for 630 A at 240 V AC, four-pole LG frame, and features adjustable thermal and magnetic trip. It provides 85 kAIC at 240 VAC, 50 kAIC at 415/480 VAC, and 25 kAIC at 600 VAC, with UL Listed certification and HACR rating for safer, more reliable operation.
Yes. The series is designed for IEC markets, offering LG-frame compatibility, metric mounting, and 0-60% adjustable protected neutral pole to support selective coordination. Its protective characteristics and wiring options align with IEC panel standards, making it a practical choice for modern control cabinets and distribution panels.
The LGS8630AAG is UL Listed and HACR rated, with design intent for IEC market usage. UL Listing confirms safety compliance for electrical protection devices, while HACR rating supports heating, air conditioning, and refrigeration applications, ensuring reliable protection in a wide range of industrial environments.
Maintenance is generally minimal due to the printed circuit and mechanical trip design, with routine inspection of mounting and connections. The ROI comes from improved uptime, reduced nuisance trips, easier panel installation, and long-term reliability—supported by a one-year warranty (or 18 months from shipment) per Eaton policy, reducing total cost of ownership.