Eaton E2LW3450MNW Mining MCCB - UL Listed CSA
Part Number: E2LW3450MNW
Quick Summary
The Eaton E2 mining complete molded case circuit breaker protects high-current mining feeders. In harsh mining environments, nuisance trips and slow response can trigger unplanned downtime and costly outages. CSA Certified and UL Listed, with a 1200 Vac rating, support safety compliance and reliable performance in mining installations. As part of the E2 Series mining breakers, it delivers flexible magnetic trip ranges and a robust complete-breaker design that reduces spare parts and improves uptime for long-running mine networks.
Product Information
Extended Description
E2LW3450MNW Eaton: Eaton E2 mining complete molded case circuit breaker, L-frame, E2LW, Complete breaker, Interchangeable magnetic only trip type, 1500-3000A trip rating, Three-pole, 450A, 1200 Vac, 10 kAIC at 1200 Vac, Without terminals, Mining
Product Name
Eaton E2 mining complete molded case circuit breaker
Catalog Number
E2LW3450MNW
UPC
786685887043
Product Length/Depth
13 in
Product Height
7 in
Product Width
10 in
Product Weight
25 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
CSA Certified UL Listed
Amperage Rating
450 A
Voltage rating
1200 Vac
Trip Type
T205
Circuit breaker type
E2LW
Circuit breaker frame type
Complete breaker
Magnetic trip range
1500-3000A
Terminals
Without terminals
Frame
L
Class
Mining
Interrupt rating
10 kAIC at 1200 Vac
Number of poles
Three-pole
Trip rating
1500-3000 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
Selling Policy 25-000 - Distribution and Control Products and Services
Understanding circuit breaker design and operation to improve safety and reliability in underground mining
Feature: Amperage rating of 450 A with a 1200 Vac supply. Business impact: Protects high-demand mining loads while minimizing nuisance trips, reducing peak demand penalties and controller wear. Application: Ideal for three-pole mining feeders in surface and underground installations. Feature: Magnetic trip range of 1500-3000 A and T205 trip type. Business impact: Enables selective coordination and fast fault clearance, limiting collateral damage in complex mining circuits. Application: Provides configurable protection for mining MCCB schemes without oversizing upstream equipment. Feature: Interrupt rating of 10 kAIC at 1200 Vac. Business impact: Withstands high fault currents typical of mining substations, improving safety margins and reducing downtime from arc events. Application: Suitable for mine serviceentrances and feeder trunks where fault current levels are high. Feature: Frame L and complete breaker construction (without terminals). Business impact: Tight physical fit in standard L-frame enclosures with easy integration of customer-supplied terminals, improving installation efficiency. Application: Compatible with Eaton accessories and mining-specific mounting hardware to streamline field retrofits. Feature: Certifications and availability (CSA UL). Business impact: Ensures regulatory compliance and rapid procurement for safety-critical mining projects, lowering risk during audits. Application: Suitable for underground and surface mining protection schemes seeking documented safety certifications. Feature: Compatibility with E2 1200 Vac mining accessories. Business impact: Facilitates scalable protection solutions and lifecycle support, reducing total cost of ownership over time. Application: Works with K, L, and M-frame mining service breakers and accessories for future expansion.
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FAQs
The E2LW3450MNW is a three-pole, L-frame complete breaker designed to fit standard mining MCCB enclosures. It ships without terminals, so you can select customer-supplied terminals or compatible Eaton accessories. Ensure proper locking, torque specs, and panel clearance, then coordinate with E2 mining accessories to maintain coordination and conformity with your protection scheme.
This breaker provides a 450 A amperage rating, 1200 Vac voltage rating, and a 10 kAIC interrupt rating at 1200 Vac. It features a magnetic trip range of 1500-3000 A and a trip type of T205, with a three-pole configuration and mining Class designation, making it suitable for high-current mining service feeders.
Yes. The E2LW3450MNW is explicitly designed for mining, with a 1200 Vac rating and a robust 10 kAIC interrupt capability. CSA Certified and UL Listed certifications further support compliance and safety in underground or surface mining electrical installations.
The part is CSA Certified and UL Listed, reflecting adherence to recognized safety and performance standards. These certifications help satisfy regulatory audits, supplier qualification requirements, and operator safety expectations in harsh mining environments.
By leveraging the E2 series mining breakers with compatible accessories, you gain durable protection, reduced downtime from reliable fault clearing, and easier field upgrades. Its modular, complete-breaker design minimizes spare-part variety, while the documented certifications support faster procurement and safer operation, delivering measurable ROI over the mine lifecycle.