Eaton E2N3900W Mining MCCB - 3P 900A 600V UL Listed, CSA Certified

Part Number: E2N3900W
Manufacturer
Eaton
Part number
E2N3900W

Quick Summary

Eaton E2N3900W is a mining complete molded case circuit breaker for power protection in underground and surface mining operations. It addresses downtime and safety compliance by delivering precise electronic LSI tripping and robust magnetic protection for demanding environments. UL Listed and CSA Certified, the unit uses an N-frame three-pole design to provide reliable protection across critical mining circuits. This model also supports scalable protection for high-current feeders, while its compact footprint and Eaton ecosystem help shorten installation time. With a 900 A rating and 600 Vac operation, it balances performance, protection, and total cost of ownership for mining facilities.

Product Information

Extended Description

E2N3900W Eaton: Eaton E2 mining complete molded case circuit breaker, N-frame, E2N, Electronic LSI trip, 1250-5000A trip rating, Three-pole, 900A, 600 Vac, 65 kAIC at 240 Vac, 50 kAIC at 480 Vac, 25 kAIC at 600 Vac, Without terminals, Mining
Product Name
Eaton E2 mining complete molded case circuit breaker
Catalog Number
E2N3900W
UPC
786679060018
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
900 A
Voltage rating
600 Vac
Trip Type
Electronic LSI
Circuit breaker type
E2N
Magnetic trip range
1250-5000A
Terminals
Without terminals
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
Feature: Electronic LSI trip provides accurate instantaneous and short-time protection. Business Impact: Improves selectivity, reduces arc flash risk, and speeds fault clearance, leading to higher system reliability. Application: Ideal for mining switchgear and distribution panels where rapid fault isolation minimizes plant downtime. Feature: High current capability with a 900 A amp rating and wide interrupt ratings across voltages. Business Impact: Supports large mining feeders and heavy-duty loads without nuisance tripping, reducing spare parts and maintenance visits. Application: Suitable for high-load mining installations operating up to 600 Vac. Feature: N-frame, three-pole configuration designed for rugged mining environments. Business Impact: Enhances mechanical robustness and coordination with existing protection schemes, improving safety and uptime. Application: Underground and surface mining electrical networks requiring dependable three-phase protection. Feature: Terminals without terminals offers installation flexibility with field-installed terminations. Business Impact: Enables tailored wiring solutions and faster integration with existing busways or terminal kits. Application: Retrofit projects and new builds where terminal selection is driven by panel design. Feature: Certifications and warranty provide regulatory confidence and enterprise support. Business Impact: UL Listed and CSA Certified ensure compliance, while Eaton’s 1-year warranty reinforces lifecycle value. Application: Critical for audits, procurement approvals, and long-term maintenance planning in mining facilities.

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FAQs

The E2N3900W is specified as 'Terminals: Without terminals,' which means field-installed termination options must be selected to fit your panel design. Ensure compatibility with the panel bus bars and applicable Eaton terminal accessories, and verify mounting hardware aligns with the N-frame, three-pole configuration for proper alignment and clearance in your switchgear.
The device is rated for 900 A and 600 Vac, with an electronic LSI trip. Magnetic trip range spans 1250–5000 A, and interrupt ratings are 50 kAIC at 480 Vac, 25 kAIC at 600 Vac, and 65 kAIC at 240 Vac, enabling fast and selective fault interruption in mining environments.
Yes. It is designed for mining power distribution with an N-frame, three-pole configuration and electronic LSI protection. It carries UL Listed and CSA Certified marks, providing regulatory assurance for underground and surface mining installations.
The electronic LSI trip provides precise tripping decisions with fast response to short circuits and overloads, improving selectivity and reducing wasted outages. This translates to shorter downtime, easier fault diagnosis, and safer maintenance in demanding mining networks.
Eaton’s policy for this product follows the standard 25-000 warranty: one year from installation or eighteen months from shipment, whichever occurs first. This offers protection against manufacturing defects and supports long-term maintenance planning for mining facilities.