Eaton E2MW3300W Mining MCCB - UL Listed CSA Certified

Part Number: E2MW3300W
Manufacturer
Eaton
Part number
E2MW3300W

Quick Summary

Eaton E2 mining complete molded case circuit breaker protects mining electrical systems by interrupting overloads. In demanding mining environments with remote locations and harsh duty cycles, downtime and unpredictable faults can cripple production; a reliable protector is essential. CSA Certified and UL Listed ensure regulatory compliance, while the mining frame and 12 kAIC at 1200 Vac deliver rugged fault protection for high-current feeders. For engineers and procurement teams, this MCCB combines straightforward installation, predictable trip performance, and a clear total cost of ownership through durable construction and standardized specifications.

Product Information

Extended Description

E2MW3300W Eaton: Eaton E2 mining complete molded case circuit breaker, M-frame, E2MW, Complete breaker, Thermal-magnetic trip type, 750-1500A trip rating, Three-pole, 300A, 1200 Vac, 12 kAIC at 1200 Vac, Without terminals, Mining
Product Name
Eaton E2 mining complete molded case circuit breaker
Catalog Number
E2MW3300W
UPC
786685887098
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
Type
Complete breaker
Amperage Rating
300 A
Voltage rating
1200 Vac
Trip Type
T268
Circuit breaker type
E2MW
Circuit breaker frame type
Complete breaker
Magnetic trip range
750-1500A
Terminals
Without terminals
Frame
M
Class
Mining
Interrupt rating
12 kAIC at 1200 Vac
Number of poles
Three-pole
Trip rating
750-1500 A
Feature: Complete mining MCCB design with M-frame and E2MW series. Business Impact: simplifies integration in mining panels, reduces spare parts, and speeds commissioning in rugged environments. Application: primary feeders and protection blocks in underground and surface mining operations. Feature: Magnetic trip range 750-1500 A. Business Impact: fast fault clearance lowers arc energy, protects downstream equipment, and improves safety margins. Application: high-current mining circuits where rapid interruption matters. Feature: Electrical rating of 1200 Vac and interrupt rating of 12 kAIC at 1200 Vac. Business Impact: supports large short-circuit events without unwarranted nuisance trips, increasing system uptime. Application: heavy-duty mining motor and power-distribution circuits. Feature: 3-pole, trip type T268, frame M. Business Impact: consistent protection with easy tri-pole coordination and predictable maintenance. Application: standard mining switchgear assemblies that require a complete breaker. Feature: Terminals without terminals, 18.5 in length, 7.5 in height, 11 in width, 25 lb weight. Business Impact: compact panel footprint and straightforward wiring in tight underground cabinets. Application: panel installations where space and wiring complexity are concerns. Feature: Certifications CSA Certified and UL Listed. Business Impact: regulatory compliance and third-party assurance reduce commissioning risk. Application: mining and industrial electrical installations requiring recognized safety certifications. Feature: Warranty and service options via Eaton policies. Business Impact: minimizes lifecycle costs and ensures access to technical support and datasheets. Application: maintenance planning and lifecycle management for mining projects.

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FAQs

The E2MW3300W uses a complete breaker design in the M frame and is specified as without terminals, simplifying field wiring and panel mounting for mining applications.
Key specs include a 300 A amperage rating, 1200 Vac voltage rating, 12 kAIC interrupt rating at 1200 Vac, and a magnetic trip range of 750-1500 A with a three-pole, T268 trip type.
Yes. Its mining-designated frame, CSA Certified and UL Listed certifications, and 12 kAIC rating make it appropriate for underground and surface mining protection schemes.
The device is CSA Certified and UL Listed, providing regulatory compliance and third-party safety verification essential for mining and industrial electrical installations.
Resources include Eaton brochures, datasheets, case studies, and technical comparisons in the downloadable library, such as mining MCCB catalogs and MSHA letters.