Eaton E2MW3800MZW Mining MCCB - 12 kAIC at 1200 Vac
Part Number: E2MW3800MZW
Quick Summary
Eaton E2 mining complete molded case circuit breaker delivers magnetic protection for mining equipment. Operators struggle with unreliability and nuisance tripping in harsh underground conditions. It is CSA Certified and UL Listed, with mining-class reliability that underpins safety and regulatory compliance. As part of the E2 mining MCCB family, this unit integrates with standard mining switchgear, delivering measurable business value through reduced downtime and predictable protection for high‑power mining loads.
Product Information
Extended Description
E2MW3800MZW Eaton: Eaton E2 mining complete molded case circuit breaker, M-frame, E2MW, Complete breaker, Magnetic only trip type, 1575-3150A 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
E2MW3800MZW
UPC
786685887166
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
CSA Certified UL Listed
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
1575-3150A
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
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
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 Magnetic trip type provides instantaneous protection against high fault currents. Business Impact This reduces damage to feeders and equipment, enabling quicker fault isolation and fewer downstream outages. Application Three-pole, magnetic-only trips are ideal for large mining feeders and conveyors where fast clearance is critical. Long-tail keywords: mining MCCB, magnetic trip, 12 kAIC, three-pole protection. Feature 800 A amperage rating supports mid-to-large mining power feeds without over-sizing the protection scheme. Business Impact Improves energy budgeting and ensures protective devices align with actual load profiles, reducing maintenance prompts and spare-part waste. Application Suitable for medium to large mining installations that demand robust current carrying capacity. Feature 1200 Vac voltage rating ensures compatibility with common mine switchgear inventories. Business Impact Streamlines procurement and field wiring by matching standard 1200 V systems, lowering installation risk. Application Ideal for underground and surface mining electrical rooms and switchgear assemblies. Feature Terminals without terminals design enables flexible field wiring and terminal selection. Business Impact Shortens lead times and simplifies stocking, while letting integrators select the appropriate terminal kit for their enclosure. Application Beneficial for custom mine installations and service-center configurations. Feature Certifications CSA Certified and UL Listed confirm safety and regulatory compliance for mining operations. Business Impact Supports audit readiness and customer confidence while satisfying contractor and owner requirements. Application Critical for underground safety programs and project approvals. Feature Weight and dimensions (25 lb, 18.5 in x 11 in x 7.5 in) support predictable enclosure planning and retrofit compatibility. Business Impact Improves space planning, reduces shipment surprises, and eases retrofits in existing mine plants. Application Useful for project teams prioritizing compact, field-ready MCCB solutions. Feature Warranty: one year from installation or 18 months from shipment provides clear post-sale protection. Business Impact The policy simplifies maintenance planning and fosters long-term asset integrity. Application Useful for asset management programs and service contracts.
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FAQs
The E2MW3800MZW is a three‑pole device with a frame M and terminalless design, meaning terminals must be supplied separately. Dimensions are 18.5 in L, 7.5 in H, 11 in W with a weight around 25 lb, aiding enclosure fit and layout planning. Coordinate wiring harnesses and terminal kits with the upstream gear, and verify enclosure clearance for service accessibility during maintenance.
Key specs include an 800 A amperage rating, 1200 Vac voltage rating, 12 kAIC interrupt rating, and a magnetic only trip with a magnetic trip range of 1575–3150 A. It is a three‑pole, M‑frame complete breaker designed for mining environments, providing robust protection against high fault currents.
Yes, it is designed for mining applications and carries CSA Certified and UL Listed marks, supporting safety compliance in underground environments. For regulatory alignment beyond certification, review MSHA guidance and Eaton’s mining documents to ensure site-specific approvals and installation practices.
The product is covered by Eaton’s policy 25-000, offering one year from installation or eighteen months from shipment, whichever occurs first. This provides a clear timeline for coverage and supports service planning, replacement parts, and authorized repair options through Eaton’s network.
Ensure frame compatibility with the existing mining switchgear (M frame, three‑pole configuration). Since terminals are not included, plan for compatible terminal kits. Verify protection coordination with upstream devices to handle 12 kAIC fault currents, and cross-check catalog data for enclosure fit and mounting clearances during retrofit projects.