Eaton E2N312MW Mining MCCB - UL Listed

Part Number: E2N312MW
E2N312MW
Manufacturer
Eaton
Part number
E2N312MW
Category

Quick Summary

The Eaton E2N312MW mining molded case circuit breaker protects mining electrical systems from overloads and short circuits. In demanding environments, field reliability and fast fault isolation are essential to safety and uptime. These devices carry UL Listed and CSA Certified approvals, with mining-class design features that support rugged underground use. The 1200 A rating at 600 Vac and a magnetic trip range of 1250–5000 A provide strong protection for high-current mining equipment. When integrated into N-frame panels, this MCCB delivers predictable trip behavior while simplifying maintenance and spare-part planning for capital-intensive mining projects.

Product Information

Extended Description

E2N312MW Eaton: Eaton E2 mining complete molded case circuit breaker, N-frame, E2N, Interchangeable magnetic only trip, 1250-5000A trip rating, Three-pole, 1200A, 600 Vac, 65 kAIC at 240 Vac, 50 kAIC at 480 Vac, 25 kAIC at 600 Vac, No terminals, Mining
Product Name
Eaton E2 mining complete molded case circuit breaker
Catalog Number
E2N312MW
UPC
786679060230
Product Length/Depth
5.5 in
Product Height
8.25 in
Product Width
8.25 in
Product Weight
45 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
Type
Specialty complete
Amperage Rating
1200 A
Voltage rating
600 Vac
Trip Type
T205
Circuit breaker type
E2N
Magnetic trip range
1250-5000A
Terminals
Without terminals
Frame
N
Class
Mining
Interrupt rating
50 kAIC at 480 Vac 65 kAIC at 240 Vac 25 kAIC at 600 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 Benchmark tests of factory production vs. third-party reconditioned mining molded case circuit breakers Benchmark tests of factory production vs. third-party reconditioned mining molded case circuit breakers Benchmark tests of factory production vs. third-party reconditioned mining molded case circuit breakers Benchmark tests of factory production vs. third-party reconditioned mining molded case circuit breakers Understanding circuit breaker design and operation to improve safety and reliability in underground mining
Feature: High current protection with 1200 A rating at 600 Vac → Business Impact: Protects expensive mining equipment and reduces unplanned outages by ensuring accurate, fast disconnection during overloads; Application: Main feeders and high-load mining motors in ore processing plants. Feature: Magnetic trip range 1250–5000 A with T205 trip type → Business Impact: Flexible coordination with upstream protection to minimize nuisance trips while maintaining fast isolation; Application: Conveyor drives and crushers in harsh mining environments. Feature: Three-pole N-frame construction, three-pole configuration → Business Impact: Robust three-phase protection with compact, standardized mounting for easier panel design and streamlined installation; Application: Underground and surface mining switchgear. Feature: Interchangeable magnetic only trip and no terminals → Business Impact: Faster serviceability and reduced downtime; Application: Field upgrades and service centers where quick magnetic-trip adjustments are needed. Feature: Certifications UL Listed and CSA Certified; Mining-class rating → Business Impact: Regulatory compliance and audit readiness, enabling safer operations and supplier confidence; Application: Mines, processing facilities, and service centers requiring certified protection. Feature: Dimensions and weight (5.5 in L, 8.25 in H, 8.25 in W; 45 lb) → Business Impact: Clear space planning and panel compatibility, reducing enclosure rework and installation time; Application: Retrofit projects and new build mining panels.

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FAQs

The E2N312MW is a three-pole, N-frame mining MCCB designed to fit standard mining panel layouts. It ships without terminals, so field-installed lugs or bus connections are required. Plan for enclosure space and wiring runs that accommodate the 5.5 inch length, 8.25 inch height, and 8.25 inch width to ensure clean, compliant terminations and easy maintenance.
The device has a 1200 A amperage rating at 600 Vac with a magnetic trip range of 1250–5000 A. It provides 50 kAIC at 480 Vac, 65 kAIC at 240 Vac, and 25 kAIC at 600 Vac. The trip type is T205, and it is a three-pole, mining-class breaker designed for demanding high-current applications.
Yes. The E2N312MW carries UL Listed and CSA Certified marks, and it is specifically categorized for mining applications. These certifications support compliance with safety and installation standards in underground and surface mining environments, helping with audits and regulatory requirements.
A range of Eaton brochures and datasheets accompany the E2N312MW, including mining MCCB performance comparisons and installation guides. Access resources such as service manuals, specification sheets, and case studies to help with installation planning, maintenance planning, and performance verification.
The product follows Eaton's warranty policy 25-000, a one-year warranty from installation or eighteen months from shipment, whichever occurs first. For lifecycle support, rely on authorized service centers and documented maintenance procedures to optimize reliability and minimize downtime in mining operations.