Eaton LW3630 MCCB - Series C, 630A 690V IEC Rated
Part Number: LW3630
Quick Summary
The Eaton LW3630 molded case circuit breaker provides reliable overcurrent protection for power distribution panels and automation equipment in industrial environments. Engineers often wrestle with selecting devices that coordinate with existing protection schemes while meeting stringent fault-current ratings and installation constraints. This Series C three-pole LW frame is IEC Rated and offers an interchangeable thermal-magnetic trip (T207) for precise protection and selectivity. With 630 A, 690 Vac/250 Vdc ratings, 45 kAIC at 415 Vac, and line/load terminals, it supports reliable installation in distribution panels and motor control centers. The compact 8.25 in footprint and standardized accessories simplify procurement, replacement, and maintenance, helping facilities improve uptime and compliance across global operations.
Product Information
Extended Description
LW3630 Eaton: Eaton Series C complete molded case circuit breaker, L-frame, LW, Complete breaker, Interchangeable thermal-magnetic trip type, Three-pole, 630A, 690 Vac, 250 Vdc, 45 kAIC at 415 Vac, Line and load, World
Product Name
Eaton Series C complete molded case circuit breaker
Catalog Number
LW3630
UPC
786679055830
Product Length/Depth
8.25 in
Product Height
8.25 in
Product Width
8.25 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
IEC Rated
Amperage Rating
630 A
Voltage rating
690 Vac, 250 Vdc
Trip Type
T207
Circuit breaker type
LW
Circuit breaker frame type
Complete breaker
Terminals
Line and load
Frame
L
Class
World
Interrupt rating
45 kAIC at 415 Vac
Number of poles
Three-pole
UL listed 100%-rated molded case circuit breakers
UL listed 100%-rated molded case circuit breakers
UL listed 100%-rated molded case circuit breakers
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
MOEM MCCB product selection guide
MOEM MCCB product selection guide
MOEM MCCB product selection guide
MOEM MCCB product selection guide
MOEM MCCB product selection guide
Feature: High electrical ratings deliver robust protection for large loads. Business Impact: Reduces equipment damage and unplanned downtime by handling peak fault currents efficiently. Application: Power distribution panels and machine control in heavy industrial environments. Feature: Interchangeable thermal-magnetic trip (T207). Business Impact: Provides precise protection coordination, minimizing nuisance trips and enabling tailored safety profiles. Application: All-purpose MCCB protection in evolving automation lines. Feature: 45 kAIC interrupt rating at 415 Vac. Business Impact: Enhances protective margin for high fault-current systems, supporting safer startup and operation. Application: Industrial feeders and panel boards with demanding fault conditions. Feature: Three-pole LW frame with line and load terminals. Business Impact: Simplifies installation, reduces wiring errors, and ensures consistent performance across replacements. Application: Global electrical protection in distribution and motor control centers. Feature: Compact 8.25 in dimensions, 20 lb weight. Business Impact: Facilitates retrofit into space-constrained panels and eases shipping and installation logistics. Application: Modernization projects and panel upgrades in factories. Feature: IEC Rated with documented support in Eaton resources. Business Impact: Improves compliance confidence and accelerates audits with accessible technical documentation. Application: Global installations requiring standardization and traceability.
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FAQs
Yes. The LW3630 is a three-pole LW frame complete breaker with line and load terminals and a standard 8.25 in footprint, designed for direct fit in many global panels. Its interchangeable T207 thermal-magnetic trip allows coordination with existing protection schemes, making retrofits straightforward while maintaining protection integrity.
Key specs include a 630 A amperage rating, 690 Vac / 250 Vdc voltage rating, and a 45 kAIC interrupt capability at 415 Vac. The three-pole design and Series C construction support reliable motor start-up protection, short-circuit interruption, and selective tripping within motor control centers.
Yes. With 630 A rating and a 45 kAIC interrupt rating, LW3630 is well-suited for demanding power distribution scenarios. Its IEC Rated certification and World-class class design ensure safe operation across global installations, while the line/load terminals streamline wiring and installation in large panels.
The LW3630 carries IEC Rated certification, which supports compliance with international electrical protection standards. Documentation and application notes are available to assist audits and commissioning. This alignment helps ensure safety, performance, and traceability in regulated environments.
Eaton provides a warranty policy of one year from installation or eighteen months from shipment, whichever occurs first. When planning maintenance or replacements, reference the policy 25-000 and leverage Eaton service centers and downloadable guides to minimize downtime and optimize lifecycle costs.