Eaton E2N3800MWA06U66 Mining complete molded case circuit breaker - CSA UL
Part Number: E2N3800MWA06U66
Quick Summary
Eaton E2N3800MWA06U66 mining complete molded case circuit breaker delivers rugged protection for mining electrical systems in harsh underground and surface environments. In mining facilities, downtime and nuisance trips drive maintenance costs and safety risk, so selecting a robust protection device is critical. CSA Certified and UL Listed certifications provide immediate compliance assurance, while the E2N frame supports the rugged mining duty with reliable arc interruption. This solution aligns with industry standards and improves uptime, safety, and maintenance efficiency, and integrates with E2 Series accessories for easy retrofits. Engineers gain predictable coordination with LI trip and 500-2500 A magnetic ranges, while operators benefit from standardized spares and faster fault isolation.
Product Information
Extended Description
E2N3800MWA06U66 Eaton: Eaton E2 mining complete molded case circuit breaker, N-frame, E2N, Complete breaker, LI trip, 500-2500A trip rating, Three-pole, 800A, no term., 1A-1B rear w/right pigtail, 120 Vac mining rear w/left pigtail
Product Name
Eaton E2 mining complete molded case circuit breaker
Catalog Number
E2N3800MWA06U66
UPC
782114881309
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
CSA Certified UL Listed
Type
Specialty complete
Amperage Rating
800 A
Voltage rating
600 Vac
Trip Type
T165
Circuit breaker type
E2N
Circuit breaker frame type
Complete breaker
Auxiliary switch
1A-1B rear with right pigtail
Magnetic trip range
500-2500A
Terminals
Without terminals
Undervoltage release
120 Vac mining rear with left pigtail
Frame
N
Class
Mining
Interrupt rating
50 kAIC at 480 Vac 25 kAIC at 600 Vac 65 kAIC at 240 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: 800 A amperage rating and 600 VAC voltage rating. Business Impact: Enables safe, scalable protection for large mining feeders and motors, reducing nuisance trips and allowing protected feeders to handle peak fault currents. Application: Heavy-duty mining installations, long feeder runs, and high-inertia loads. Feature: Three-pole, N-frame, complete breaker with LI trip and LI/auxiliary options. Business Impact: Simplifies panel design, ensures coordinated tripping, and supports straightforward retrofits in existing Mine MCC panels. Application: Underground and surface mining electrical distributions needing reliable three-phase protection. Feature: Magnetic trip range 500-2500 A and T165 trip type. Business Impact: Fast, adjustable fault clearing for diverse mine loads, improving uptime and safety margins in development drifts and processing plants. Application: Medium-to-large mining circuits with variable load profiles. Feature: Undervoltage release at 120 VAC (mining rear with left pigtail) and auxiliary switch (1A-1B rear with right pigtail). Business Impact: Enhanced anti-restart protection and remote signaling options, supporting safer start-up sequences and easier automation integration. Application: Mines requiring interlocking and remote fault indication. Feature: Frame N, class Mining, uninterrupted interrupt ratings up to 65 kAIC. Business Impact: Meets demanding interrupt requirements for mining environments, ensuring system integrity during short-circuit events. Application: High-energy mining mine-town substations and distribution panels. Feature: Without terminals design (no term.), rear mounting options, and 45 lb weight with compact 5.5 in depth and 8.25 in height/width. Business Impact: Reduces installation complexity, enables space-saving backplane fits, and lowers shipping/handling costs. Application: Retrofit projects and modular mining MCCB enclosures where terminal adaptors are used. Certifications: CSA Certified, UL Listed. Business Impact: Regulatory compliance confidence and safer procurement for regulated mining operations. Application: Procurement for mining OEMs and service centers seeking certified protection devices.
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FAQs
This unit is a three-pole, N-frame mining MCCB designed as a complete breaker with rear pigtails for auxiliary functions. It is specified as 'without terminals', so installation requires compatible lugs or bus bar adapters and appropriate mounting in mining panels or switchgear enclosures. Ensure panel cutouts and internal clearances meet Eaton recommendations and field wiring is performed by qualified personnel per local codes.
Key specs include 800 A amperage rating, 600 VAC rating, and a magnetic trip range of 500-2500 A with a T165 trip type. Interrupt ratings are 50 kAIC at 480 VAC, 25 kAIC at 600 VAC, and 65 kAIC at 240 VAC. The device uses an N-frame, three-pole configuration and includes undervoltage release at 120 VAC and a rear auxiliary switch for signaling.
Yes. The product is classified as Mining with an N-frame, three-pole configuration, and CSA Certified UL Listed certification. It supports mining environment requirements and can be integrated with rear-pigtail signaling and undervoltage release for enhanced protection in underground and surface mining applications.
The breaker is CSA Certified and UL Listed, which provides regulatory compliance and safety validation. These certifications are critical for mine permitting, safety audits, and supplier qualification processes, ensuring the device meets recognized safety and performance standards.
Warranty follows Eaton policy 25-000, offering one year from installation or eighteen months from shipment, whichever occurs first. For mining OEMs and service centers, Eaton provides technical resources and datasheets (including mining MCCB catalogs and maintenance guidance) to support commissioning, startups, and ongoing maintenance.