Eaton E2M3800MNWU66 Mining Complete MCCB - UL Listed
Part Number: E2M3800MNWU66
Quick Summary
Eaton E2 mining complete MCCB protects high-current mining circuits by interrupting faults in mining plants. Facilities often struggle with uptime in harsh mining environments and the risk of noncompliance. UL Listed and CSA Certified reinforce safety and reliability, while the MDL frame supports fast installation and future upgrades. With an 800 A rating at 250 Vdc and a three-pole configuration, it handles large motor feeders and demanding loads. The result is lower maintenance costs, fewer unplanned outages, and greater confidence in maintaining continuous mining operations across both underground and surface sites.
Product Information
Extended Description
E2M3800MNWU66 Eaton: Eaton E2 mining complete molded case circuit breaker, MDL-frame, E2M, Complete breaker, Interchangeable magnetic only trip, 1500-3000A trip rating, Three-pole, 800A, 250 Vdc, Without terminals, Mining, 120 Vac mining rear with left pigtail
Product Name
Eaton E2 mining complete molded case circuit breaker
Catalog Number
E2M3800MNWU66
UPC
786685242842
Product Length/Depth
4.06 in
Product Height
8.25 in
Product Width
8.25 in
Product Weight
29 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
800 A
Voltage rating
250 Vdc
Trip Type
T205
Circuit breaker type
E2M
Circuit breaker frame type
Complete breaker
Magnetic trip range
1500-3000A
Terminals
Without terminals
Undervoltage release
120 Vac mining rear with left pigtail
Frame
MDL
Class
Mining
Interrupt rating
35 kAIC at 480 Vac 65 kAIC at 240 Vac 22 kAIC at 250 Vdc 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
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 → The E2M3800MNWU66 uses a complete MDL frame and a three-pole design with an interchangeable magnetic trip option, enabling precise protection for high-current circuits. Business Impact → This delivers fast fault isolation and reduced equipment damage, which translates to lower repair costs and less production downtime. Application → Ideal for mining feeders, crushers, conveyors, and rugged underground installations where reliability is critical. Feature → Amperage rating of 800 A at 250 Vdc with a 35 kAIC/65 kAIC interrupt capability. Business Impact → Supports large motor loads and networked drives while maintaining safe open-circuit behavior under fault conditions. Application → Suitable for 3‑pole configurations in MDL mining MCCB deployments.
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FAQs
Yes. The E2M3800MNWU66 is a mining MDL frame, three-pole complete breaker designed for integration with E2 mining accessories and standard MDL mounting arrangements, enabling consistent protection across mining installations.
The device is rated for 800 A and 250 Vdc, making it suitable for large motor feeders and high-current mining circuits.
Interrupt ratings are 35 kAIC at 480 Vac, 65 kAIC at 240 Vac, 22 kAIC at 250 Vdc, and 25 kAIC at 600 Vac, ensuring robust fault interruption across typical mining voltages and loads.
This MCCB is UL Listed and CSA Certified, providing recognized safety and performance conformance for mining environments.
With terminals listed as without terminals and an undervoltage release option of 120 Vac rear with left pigtail, installation can be tailored to rugged layouts while preserving reliable protection and quick servicing in harsh mining conditions.