Eaton LI3630 Molded Case Circuit Breaker - UL Listed
Part Number: LI3630
Quick Summary
The Eaton LI3630 molded case circuit breaker is a high-capacity protection device designed to shield power distribution panels in industrial settings. It delivers reliable overcurrent protection for large feeders while fitting into compact panel layouts. UL Listed certification supports safety compliance, and its international-class labeling helps global installations stay aligned with cross-border standards. With a universal application footprint, this three-pole MCCB simplifies procurement and reduces spare-part inventories, translating to faster commissioning and clearer documentation for compliance teams. By combining robust interrupt performance with straightforward wiring and servicing, the LI3630 adds measurable business value through uptime, safety, and ease of maintenance.
Product Information
Extended Description
LI3630 Eaton: Eaton Series C complete molded case circuit breaker, L-frame, LI, Complete breaker, Fixed thermal, fixed magnetic trip type, Three-pole, 630A, 480 Vac, 42 kAIC at 240 Vac, 35 kAIC at 480 Vac, Line and load, International
Product Name
Eaton Series C complete molded case circuit breaker
Catalog Number
LI3630
UPC
786679284476
Product Length/Depth
10 in
Product Height
7 in
Product Width
10 in
Product Weight
21 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
Application
Universal
Amperage Rating
630 A
Voltage rating
480 Vac
Trip Type
T186
Circuit breaker type
LI
Circuit breaker frame type
Complete breaker
Terminals
Line and load
Frame
L
Class
International
Interrupt rating
35 kAIC at 480 Vac 42 kAIC at 240 Vac
Number of poles
Three-pole
Application of Tap Rules to Molded Case Breaker Terminals
Application of Tap Rules to Molded Case Breaker Terminals
Application of Tap Rules to Molded Case Breaker Terminals
Power metering and monitoring with Modbus RTU product aid
Power metering and monitoring with Modbus RTU product aid
Power metering and monitoring with Modbus RTU product aid
Power metering and monitoring with Modbus RTU product aid
Power metering and monitoring with Modbus RTU product aid
Power metering and monitoring with Modbus RTU product aid
Power metering and monitoring with Modbus RTU product aid
Breaker service centers
Circuit Protection, Molded Case Circuit Breakers, Volume 4, Tab 2
Circuit Breakers Explained
Circuit Breakers Explained
Series C F-Frame molded case circuit breakers
Series C F-Frame molded case circuit breakers
Series C F-Frame molded case circuit breakers
Series C F-Frame molded case circuit breakers
Series C F-Frame molded case circuit breakers
Feature: 630 A amperage rating with a 480 VAC voltage rating. Business Impact: Handles substantial motor loads and feeder protection without nuisance trips, improving line reliability. Application: Ideal for heavy-usage panel boards in manufacturing and process environments. Feature: Trip Type T186 with fixed thermal and fixed magnetic trip. Business Impact: Precise protection curves reduce motor burnout and electrical faults while enabling quick fault isolation. Application: Suitable for universal, multi-load configurations in varied industrial spaces. Feature: Interrupt rating of 35 kAIC at 480 VAC and 42 kAIC at 240 VAC. Business Impact: High fault-current withstand ensures protection during short circuits, reducing equipment damage. Application: Critical in systems with high inrush or industrial motors. Feature: L-frame, line and load terminals, three-pole configuration. Business Impact: Streamlined installation and wiring reduces commissioning time and potential connection errors. Application: Fits standard panel architectures and simplifies replacements in existing Series C MCCB installations. Feature: UL Listed and International class. Business Impact: Demonstrates regulatory compliance and global compatibility, easing cross-border sourcing and audits. Application: Suitable for multinational facilities and general-purpose power protection across markets. Insight: Industry deployments benefit from a single, reliable MCCB that supports motor-control centers and distribution panels while minimizing spare-part complexity and maintenance downtime.
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FAQs
The LI3630 uses a three-pole, L-frame design with line-and-load terminals, which simplifies panel wiring and reduces installation time. Ensure mounting accommodates the 10 in x 10 in x 7 in footprint and account for a 21 lb weight when planning rack clearances and vibration tolerance in industrial environments.
Key specs include a 630 A amperage rating, 480 VAC voltage rating, and interrupt ratings of 35 kAIC at 480 VAC and 42 kAIC at 240 VAC. The trip type is fixed thermal and magnetic (T186), and the device is a three-pole LI-series complete breaker.
Yes. The LI3630 is designed for universal application across industrial power distribution, motor-control centers, and panel boards, with a standard line-and-load connection scheme and international class labeling to support global deployments.
The LI3630 carries UL Listed certification, indicating compliance with recognized safety standards. Its international class designation supports cross-border use, aiding compliance documentation and supplier qualification in multinational facilities.
Eaton’s policy provides a one-year warranty from installation or eighteen months from shipment, whichever occurs first. This covers manufacturing defects and supports procurement teams with predictable maintenance planning and cost control.