Eaton LW3400V Molded Case Circuit Breaker - 45 kAIC
Part Number: LW3400V
Quick Summary
Eaton LW3400V molded case circuit breaker protects electrical distributions in industrial switchgear and panelboards. Its compact L-frame design helps save panel space while delivering robust protection and easy maintenance. This IEC Rated, World-class device operates reliably at 50°C calibration, ensuring safe operation across global installations. By combining reliable protection with straightforward installation, the LW3400V supports high-availability power distribution for manufacturing lines, data centers, and infrastructure projects while aligning with regulatory expectations and long-term total cost of ownership goals.
Product Information
Extended Description
LW3400V Eaton: Eaton Series C complete molded case circuit breaker, L-frame, LW, Complete breaker, Interchangeable thermal-magnetic trip type, Three-pole, 400A, 690 Vac, 250 Vdc, 45 kAIC at 415 Vac, Line and load, World, 50°C
Product Name
Eaton Series C complete molded case circuit breaker
Catalog Number
LW3400V
UPC
786685389929
Product Length/Depth
4.06 in
Product Height
8.25 in
Product Width
8.25 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
IEC Rated
Amperage Rating
400 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
Calibration
50°C
Interrupt rating
45 kAIC at 415 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
Current limiting Series C molded case circuit breakers product aid
Current limiting Series C molded case circuit breakers product aid
Current limiting Series C molded case circuit breakers product aid
Current limiting Series C molded case circuit breakers product aid
Current limiting Series C molded case circuit breakers product aid
Current limiting Series C molded case circuit breakers product aid
Current limiting Series C molded case circuit breakers 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 → Business Impact → Application: Interchangeable thermal-magnetic trip technology provides precise short-circuit protection and selective coordination, reducing nuisance trips and improving uptime in critical machinery. Application: motor control centers and panelboards where dependable protection is essential and downtime is costly. Feature → Business Impact → Application: Three-pole, 400 A capacity with a 690 Vac and 250 Vdc rating supports high-current distribution without oversizing, optimizing footprint and cost. Application: feeders to large industrial machines and processing lines demanding robust protection. Feature → Business Impact → Application: L-frame, complete breaker design with line and load terminals simplifies installation and maintenance, enabling faster panel assembly and fewer miswiring incidents. Application: retrofit projects and new builds in control panels where space and wiring efficiency matter. Feature → Business Impact → Application: 45 kAIC interrupt rating at 415 Vac delivers strong fault-current handling, enhancing system safety and reducing damage to downstream equipment. Application: bus duct and switchgear applications in high short-circuit environments. Feature → Business Impact → Application: Calibrated for 50°C and IEC Rated with World-class class status, supporting global compliance and long-term field reliability. Application: multinational facilities and projects with diverse ambient conditions. Feature → Business Impact → Application: Strong warranty terms (one year from installation or 18 months from shipment) provide predictable service planning and risk mitigation for procurement. Application: asset lifecycle planning and service contracts in industrial environments.
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FAQs
The LW3400V is designed for industrial power distribution in panelboards and switchgear, supporting large machinery and manufacturing lines. Its three-pole configuration, 400 A rating, and 690 Vac capability ensure reliable protection for feeders, motors, and critical loads while enabling efficient panel design and coordination with other protection devices.
LW3400V is IEC Rated and built to World-class standards, with calibration specified at 50°C. This combination supports global compliance and reliability in diverse environments, making it suitable for multinational facilities and OEM integrations.
LW3400V is a three-pole molded case breaker rated at 400 A, with voltage ratings of 690 Vac and 250 Vdc. It provides a 45 kAIC interrupt rating at 415 Vac, supporting robust fault current protection in demanding industrial systems.
LW3400V uses line and load terminals with an L-frame complete breaker design for straightforward installation. It fits within a compact footprint (about 4.06 in depth, 8.25 in height and width) and weighs 21 lb, aiding fast mounting and maintenance in new builds or retrofit projects.
LW3400V is covered by Eaton’s warranty policy 25-000, offering one year from installation or eighteen months from shipment, whichever occurs first. This provides predictable coverage for commissioning costs and long-term service planning.