Eaton E2MW3800W Mining MCCB - 12 kAIC UL Listed
Part Number: E2MW3800W
Quick Summary
The Eaton E2MW3800W mining complete molded case circuit breaker protects mining electrical systems by interrupting fault currents in high-capacity feeders and distribution panels. In demanding mining environments, nuisance trips and slow response can halt production, increase downtime, and escalate maintenance costs. This unit carries CSA Certified and UL Listed certifications, and is rated for 1200 V and 12 kAIC, supporting rugged underground and surface mining deployments. Designed for easy integration with M-frame E2MW complete breakers, it helps engineers meet compliance while reducing total cost of ownership. With a focus on installation simplicity and reliable protection, it pairs well with high-capacity feeders and mining service centers.
Product Information
Extended Description
E2MW3800W Eaton: Eaton E2 mining complete molded case circuit breaker, M-frame, E2MW, Complete breaker, Thermal-magnetic trip type, 2000-4000A trip rating, Three-pole, 800A, 1200 Vac, 12 kAIC at 1200 Vac, Without terminals, Mining
Product Name
Eaton E2 mining complete molded case circuit breaker
Catalog Number
E2MW3800W
UPC
786685887142
Product Length/Depth
18.5 in
Product Height
7.5 in
Product Width
8 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
800 A
Voltage rating
1200 Vac
Trip Type
T268
Circuit breaker type
E2MW
Circuit breaker frame type
Complete breaker
Magnetic trip range
2000-4000A
Terminals
Without terminals
Frame
M
Class
Mining
Interrupt rating
12 kAIC at 1200 Vac
Number of poles
Three-pole
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: High magnetic trip range of 2000-4000 A provides fast, selective protection for large inrush feeder loads → Business Impact: reduces nuisance tripping and improves system uptime → Application: mining feeder circuits in underground and surface operations. Feature: 1200 Vac voltage rating and 12 kAIC interrupt capacity ensure safe fault interruption → Business Impact: enhances safety, minimizes arc-flash risk, and supports robust code compliance → Application: service panels and distribution blocks in heavy-duty mining installs. Feature: Three-pole M-frame complete breaker with terminals not included streamlines installation → Business Impact: faster commissioning, fewer field wiring errors, lower labor costs → Application: modular mining MCCB panels and retrofit projects. Feature: CSA Certified and UL Listed certifications simplify regulatory approvals → Business Impact: accelerates audits and procurement approvals, improving time-to-production → Application: mining facilities with strict compliance requirements. Feature: 800 A amperage rating paired with 1200 Vac operation supports coordinated protection → Business Impact: stable protection coordination, reduced equipment wear, longer asset life → Application: high-current mining feeders and distribution networks. Feature: Compact footprint (18.5 in L × 8 in W × 7.5 in H) and 25 lb weight aid cabinet design and retrofit planning → Business Impact: easier install planning, lower enclosure changes, and improved space utilization → Application: legacy or new mining switchgear installations.
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FAQs
The E2MW3800W is a three-pole, M-frame complete breaker designed to fit standard mining MCCB panels. It ships without terminals, so field wiring must be prepared with compatible lugs or accessories. Ensure panel cutouts and mountings align with the M-frame footprint, and reference Eaton’s MCCB catalog for compatible accessories to streamline retrofit or new installations.
Key specs include an 800 A amperage rating, 1200 Vac voltage rating, 12 kAIC interrupt capacity at 1200 Vac, and a magnetic trip range of 2000-4000 A with a T268 trip type. It supports mining-class protection in three-pole configuration and is suitable for high-demand feeder protection in mining environments.
Yes. It is field-appropriate for underground mining service centers due to its mining-class designation, 1200 Vac rating, 12 kAIC interrupt capability, and CSA/UL certifications. The rugged design and high surge tolerance help maintain reliability and uptime in challenging underground conditions.
The device is CSA Certified and UL Listed, which streamlines regulatory approvals, supplier qualification, and audit readiness. These certifications verify safety, reliability, and performance under mining conditions, helping reduce compliance-related risks during procurement and installation.
Eaton backs this product with a warranty per policy 25-000, covering one year from installation or eighteen months from shipment, whichever occurs first. This supports maintenance planning and helps protect total cost of ownership. Review Eaton service centers and available mining-specific support resources for ongoing reliability.