Eaton E2N3900WA13U66 E2N Mining MCCB - CSA UL

Part Number: E2N3900WA13U66
E2N3900WA13U66
Manufacturer
Eaton
Part number
E2N3900WA13U66
Category

Quick Summary

Eaton E2N3900WA13U66 is a mining complete molded case circuit breaker designed to protect high-current mining circuits in demanding environments. In rugged panels, reliable protection depends on precise coordination and robust trip performance to prevent costly outages. The unit carries CSA Certified and UL Listed marks, supporting safe, compliant installations in underground and surface mining operations. With a 900 A amperage rating and a 600 Vac rating, it handles heavy loads while maintaining selectivity and fault isolation. This model’s documented datasheets, warranty details, and access to Eaton service centers help engineering teams streamline procurement, installation, and ongoing maintenance while ensuring long-term system reliability.

Product Information

Extended Description

E2N3900WA13U66 Eaton: Eaton E2 mining complete molded case circuit breaker, N-frame, E2N, Electronic LI trip, 1250-5000A, Three-pole, 900A, 600 Vac, 65 kAIC at 240 Vac, 50 kAIC at 480 Vac, 25 kAIC at 600 Vac, No term., 2A-2B rear w/right pigtail
Product Name
Eaton E2 mining complete molded case circuit breaker
Catalog Number
E2N3900WA13U66
UPC
782114895795
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
900 A
Voltage rating
600 Vac
Trip Type
T165
Circuit breaker type
E2N
Auxiliary switch
2A-2B rear with right pigtail
Magnetic trip range
1250-5000A
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: Electronic LI trip with T165 and a 1250-5000 A magnetic trip range; Business Impact: fast, selective fault interruption reduces equipment damage and downtime; Application: mining control panels requiring precise protection and rapid fault isolation. Feature: N-frame three-pole design rated at 900 A and 600 Vac; Business Impact: robust, high-load protection for large mining feeders and motors, simplifying panel layouts; Application: heavy-duty power distribution in mining sites. Feature: Auxiliary switch 2A-2B rear with right pigtail; Business Impact: enables remote signaling and safer control wiring, reducing field wiring errors; Application: control panels and protective interlocks in harsh environments. Feature: Undervoltage release 120 Vac mining rear with left pigtail; Business Impact: prevents nuisance tripping during start-up or voltage sags, improving process stability; Application: start-up sequences for mining equipment and conveyors. Feature: CSA Certified and UL Listed under mining-focused specifications; Business Impact: strong regulatory compliance, easier approvals, and safer on-site operation; Application: regulated mining facilities needing documented certification. The combination of these features supports faster commissioning, reliable uptime, and lower lifecycle costs in demanding mining environments.

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FAQs

Planning for this E2N mining MCCB requires acknowledging its N-frame three-pole design, 900 A rating, and 600 Vac operation. It uses a rear 2A-2B auxiliary switch, plus a 120 Vac undervoltage release option, and is provided without terminals, so panel bus connections should be prepared accordingly. Ensure correct mounting, spacing, and coordination with adjacent protection devices to maintain selectivity and fault isolation in harsh mining environments.
This unit delivers 900 A at 600 Vac with a T165 trip type and a magnetic trip range of 1250–5000 A. It offers interrupt ratings of up to 65 kAIC at 240 Vac, 50 kAIC at 480 Vac, and 25 kAIC at 600 Vac, enabling fast, safe interruption of faults in large mining feeders and motors while complying with mining safety standards.
Yes. The breaker is CSA Certified and UL Listed, reflecting adherence to rigorous safety and performance requirements for mining applications. These certifications support regulatory compliance in both underground and surface mining installations and simplify approvals for electrical protection devices used in mining equipment and distribution panels.
With rugged mining-specific design, documented datasheets, and access to Eaton service centers, this MCCB supports predictable maintenance and faster part replacement. The 900 A/600 Vac capacity paired with reliable electronic LI trip reduces nuisance trips, while the optional auxiliary and undervoltage release features simplify wiring and diagnostics, lowering downtime during inspections and repairs.
Datasheets and installation guides are available on Eaton’s product page for E2N3900WA13U66, including the skuPage PDF and mining MCCB accessories. Visit the official Eaton site to access the PDF datasheet at https://www.eaton.com/us/en-us/skuPage.E2N3900WA13U66.pdf and related mining documentation for installation and compliance guidance.