Eaton E2MW3800MXW Mining MCCB - 12 kAIC at 1200 Vac
Part Number: E2MW3800MXW
Quick Summary
The Eaton E2MW3800MXW mining MCCB provides reliable overcurrent protection for underground mining electrical systems. Engineers often battle fault-inducing arcing, downtime, and difficult field maintenance; this magnetic-only trip design minimizes nuisance tripping and simplifies service. UL Listed and CSA Certified ensure safety and compatibility in harsh mining environments, while the mining-class E2 frame delivers robust performance. By combining rugged protection with straightforward installation and 800 A rating at 1200 Vac, it supports reliable operation and lower total cost of ownership. This solution aligns with rugged mining needs while enabling efficient, compliant electrical protection across critical underground facilities.
Product Information
Extended Description
E2MW3800MXW Eaton: Eaton E2 mining complete molded case circuit breaker, M-frame, E2MW, Complete breaker, Magnetic only 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
E2MW3800MXW
UPC
786685887173
Product Length/Depth
18.5 in
Product Height
7.5 in
Product Width
11 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
UL Listed CSA Certified
Amperage Rating
800 A
Voltage rating
1200 Vac
Trip Type
Magnetic only
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
Eaton Specification Sheet - E2MW3800MXW
Eaton Specification Sheet - E2MW3800MXW
Eaton Specification Sheet - E2MW3800MXW
Eaton Specification Sheet - E2MW3800MXW
Understanding circuit breaker design and operation to improve safety and reliability in underground mining
Feature → Magnetic trip type provides fast, reliable fault interruption, reducing arc flash exposure and equipment damage. Business impact → Improves safety and uptime, enabling more predictable maintenance windows in remote mine sites. Application → Ideal for high-current mining feeders and driveline protection where magnetic-only protection is preferred for fast clearing. Feature → 800 A amperage rating paired with 12 kAIC interrupt capability at 1200 Vac. Business impact → Supports high fault-current scenarios without nuisance trips, protecting motors and transformers while meeting safety margins. Application → Suitable for heavy-load mining circuits with strict short-circuit requirements. Feature → Frame M, complete breaker design with terminals excluded. Business impact → Streamlines field installation and customization to match existing switchgear, reducing labor and site downtime. Application → Fits standardized mining MCCB infrastructure while allowing field-terminations as needed. Feature → UL Listed and CSA Certified. Business impact → Ensures regulatory compliance and industry trust, simplifying procurement for regulated mining projects. Application → Quicker approval with spec-compliant hardware across global mining sites. Feature → Three-pole configuration with magnetic trip and mining class rating. Business impact → Consolidates protection for three-phase mining loads, improving coordination and safety. Application → Commonly deployed on underground conveyors, pumps, and ventilation controls in mining operations.
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FAQs
The E2MW3800MXW is a three-pole, 800 A device designed for magnetic-only protection with terminals not included, enabling field-terminated connections to match your mining switchgear. Verify three-phase alignment, confirm 1200 Vac rating, and reference Eaton installation sheets to ensure proper bus bar spacing and secure mounting in an M-frame footprint. Follow lockout/tagout procedures and test trip operation after assembly.
The E2MW3800MXW provides a 12 kAIC interrupt rating at 1200 Vac, suitable for high fault-current environments typical in underground mining. This enables fast, reliable fault clearance for three-phase loads, reducing damage to downstream equipment like motors and transformers and shortening downtime during fault events.
Yes. The product carries UL Listed and CSA Certified markings, confirming compliance with critical electrical safety standards for mining equipment. This certification streamlines procurement with compliance teams and supports safer installation in underground and surface mining environments.
The E2MW3800MXW is a complete mining breaker with terminals not included. Plan for field-terminals compatible with the Eaton E2MW family and ensure a compatible M-frame mounting footprint. Account for the 18.5 in length, 11 in width, and 7.5 in height, as well as a 25 lb weight, to fit enclosure spaces and labor planning.
The E2MW mining MCCB family combines robust magnetic-only protection, a mining-class performance profile, and UL/CSA certification, delivering dependable short-circuit clearance in harsh underground conditions. Its 800 A rating and 12 kAIC capacity support demanding loads, while straightforward field installation and compatibility with standard MCCB infrastructure help reduce lifecycle costs and downtime.