Eaton E2LEM3400M2W Mining MCCB - UL Listed, CSA Certified
Part Number: E2LEM3400M2W
Quick Summary
The Eaton E2LEM3400M2W is a mining MCCB that protects large electrical circuits in underground mining operations. Designers often struggle with accurate trip settings and reliable protection in harsh mining environments, leading to unexpected outages and costly downtime. This unit is UL Listed, IEC Rated, and CSA Certified, confirming compliance with critical safety standards for underground and surface mining applications. With its 1000-4000 A magnetic trip range and 1000Y/577 Vac, plus 250 Vdc capabilities, it supports scalable protection across evolving mine loads. The solution offers installation compatibility and reduced spare-part diversity, delivering improved uptime, safer operations, and easier maintenance planning for OEMs and service centers.
Product Information
Extended Description
E2LEM3400M2W Eaton: Eaton E2 mining complete molded case circuit breaker, L-frame, E2LEM, Complete breaker, Interchangeable magnetic only trip, 1000-4000A trip rating, Three-pole, 400A, 1000Y/577 Vac, 250 Vdc, Without terminals, Mining
Product Name
Eaton E2 mining complete molded case circuit breaker
Catalog Number
E2LEM3400M2W
UPC
782114208809
Product Length/Depth
4.06 in
Product Height
10.75 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
UL Listed IEC Rated CSA Certified
Type
E2 mining
Amperage Rating
400 A
Voltage rating
1000Y/577 Vac, 250 Vdc
Trip Type
T205
Circuit breaker type
E2LEM
Circuit breaker frame type
Complete breaker
Magnetic trip range
1000-4000A
Terminals
Without terminals
Frame
L
Class
Mining
Interrupt rating
25 kAIC at 600 Vac 35 kAIC at 480 Vac 22 kAIC at 250 Vdc 65 kAIC at 240 Vac 10 kAIC at 1000Y/577 Vac
Number of poles
Three-pole
Trip rating
1000-4000 A
Eaton E2 Series mining service circuit breakers
Eaton E2 Series mining service circuit breakers
Eaton E2 Series mining service circuit breakers
Eaton E2 Series mining service circuit breakers
Circuit Protection, Molded Case Circuit Breakers, Volume 4, Tab 2
MSHA policy letter for suitability, safety and performance of circuit breakers
Robinson Mine Case Study: Solutions for the mining industry
E2 1200 Vac - K, L, and M-Frame mining service breakers and accessories
E2 1200 Vac - K, L, and M-Frame mining service breakers and accessories
E2 1200 Vac - K, L, and M-Frame mining service breakers and accessories
E2 1200 Vac - K, L, and M-Frame mining service breakers and accessories
Understanding circuit breaker design and operation to improve safety and reliability in underground mining
Feature: Magnetic trip range of 1000-4000 A is matched to the high inrush and fault currents seen in mine distributions. Business Impact: Enables precise coordination and faster fault interruption, reducing arc flash exposure and collateral damage. Application: Mining feeders, conveyor drives, and heavy motor circuits in underground and surface mines. Feature: Interchangeable magnetic trip within a complete breaker design simplifies field upgrades and serviceability. Business Impact: Lowers total cost of ownership by reducing stocking of multiple trip units and expediting maintenance. Application: OEM assemblies and service centers supporting E2 mining MCCB deployments. Feature: Wide voltage and interruption ratings—1000Y/577 Vac and 250 Vdc with 25 kAIC at 600 Vac, 35 kAIC at 480 Vac—delivers reliable interruption across AC and DC mine networks. Business Impact: Compliance with robust safety standards and improved system resilience. Application: Underground substations, high-power feeders, and mixed-voltage mine equipment. Feature: L-frame, three-pole design at 400 A with terminal-free configuration enhances installation versatility. Business Impact: Streamlined panel integration and reduced wiring complexity, speeding up commissioning. Application: Control panels and distribution blocks in rugged mining environments. Feature: UL Listed, IEC Rated, CSA Certified with Eaton warranty support provides regulatory assurance and supplier confidence. Business Impact: Reduces procurement risk and supports maintenance planning with clear service policies. Application: Mine operators and integrators prioritizing compliant, reliable protection.
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FAQs
E2LEM3400M2W is a complete mining MCCB with a frame L and a three-pole configuration designed for straightforward panel mounting. It is without terminals, which gives installation flexibility to tailor terminal options to your existing busbar or wiring schemes and accelerates retrofit projects.
Core specs include a 400 A amperage rating, 1000Y/577 Vac and 250 Vdc voltage ratings, a magnetic trip range of 1000-4000 A, and a trip type of T205. These capabilities support high-inrush protection and reliable interruption across mine electrical networks.
Yes. The unit is configured for mining service with an L-frame, three-pole design, high interrupt ratings across multiple voltages, and certifications that align with mining safety standards. It’s built to endure harsh underground conditions while protecting critical feeders and motors.
The E2LEM3400M2W is UL Listed, IEC Rated, and CSA Certified, providing recognized safety and performance conformity across North American and international mining standards. This helps simplify regulatory approvals, commissioning, and ongoing audits.
Warranty is Eaton’s policy of one year from installation or eighteen months from shipment, whichever occurs first. This, combined with durable design and support resources, reduces maintenance risk, lowers total cost of ownership, and improves uptime through predictable replacement and service planning.