Eaton EMN24W31 Manual Line Starter - Hazardous Locations
Part Number: EMN24W31
Quick Summary
EMN24W31 manual line starter is designed to safely control three-phase motors in demanding industrial automation applications. This compact unit reduces wiring complexity and panel clutter by integrating starting functions within a single enclosure. It supports a broad voltage range of 115-600 VAC and offers 3, 7.5, and 10 HP options, making it versatile for varying load conditions. The design carries NEC/CEC compliance and hazardous location ratings, including Class I Division 1 and 2, Class II Division 1 and 2, and Class III, ensuring safe operation in challenging environments. With copper-free aluminum construction and rugged NEMA-rated protection, the EMN24W31 delivers reliable performance while simplifying maintenance. For engineers and procurement teams, this translates to faster installs, lower downtime, and improved lifecycle cost confidence.
Product Information
Extended Description
EMN24W31 Eaton Crouse-Hinds: Eaton Crouse-Hinds series EMN manual line starter, With starter, 3 HP/7.5 HP/10 HP, Cutler-Hammer starter, Copper-free aluminum, NEMA size 1, Three-pole, Three-phase, 115-600 Vac
Product Name
Eaton Crouse-Hinds series EMN manual line starter
Catalog Number
EMN24W31
Product Length/Depth
6.88 in
Product Height
8.81 in
Product Width
7.03 in
Product Weight
15.06 lb
UPC
786689414221
Area classification
Hazardous/Classified Locations
Standards type
NEC/CEC
NEC hazardous rating
Class I, Division 1 Class I, Division 2 Class II, Division 1 Class II, Division 2 Class III
NEMA Rating
3 7 9 12
Enclosure
With starter
NEMA size
1
Number Of Poles
Three-pole
Phase
Three-phase
Horsepower
3 hp/7.5 hp/10 hp
Voltage rating
115-600 Vac
Manufacturer
Cutler-Hammer
Material
Copper-free aluminum
EMN Switch Style Explosionproof Motor Starters catalog page
EMN Switch Style Explosionproof Motor Starters Canadian certification
EMN Switch Style Explosionproof Motor Starters Canadian certification
IF 677 - EMN Series Manual Motor Starters
Eaton Specification Sheet - EMN24W31
Feature: Integrated manual line starter in a sturdy enclosure. Business Impact: Reduces wiring, simplifies panel wiring diagrams, and lowers installation time. Application: Ideal for factory automation and hazardous-location motor control where space is at a premium. Paragraph 2: HP range and voltage flexibility. Business Impact: Supports 3 HP, 7.5 HP, and 10 HP loads across 115-600 VAC, enabling one part to cover multiple applications. Application: Useful for diverse three-phase motor sizes in paint lines, conveyors, and mixers. Paragraph 3: Material and build. Business Impact: Copper-free aluminum construction offers corrosion resistance and lighter weight, improving handling and longevity. Application: Harsh industrial environments such as chemical processing and outdoor installations. Paragraph 4: Certifications and compliance. Business Impact: NEC/CEC compliance and hazardous-location ratings reduce compliance risk and enable safer operation. Application: Suitable for Class I/II/III locations, helping meet regulatory requirements in energy-intensive plants. Paragraph 5: Protection and enclosure ratings. Business Impact: NEMA 3, 7, 9, 12 protection ensures robust performance in wet, dusty, or explosive atmospheres. Application: Outdoor panels and wash-down areas in food and beverage or oil & gas facilities. Paragraph 6: Documentation and integration. Business Impact: IF 677 instruction sheet and Eaton specification pages streamline installation and maintenance planning. Application: Fast ramp-up for maintenance teams integrating EMN24W31 into existing control systems.
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FAQs
When installing the EMN24W31 manual line starter in hazardous locations, plan for proper enclosure mounting, clear labeling, and adherence to NEC/CEC guidelines. Use the EN-rated NEMA 1 enclosure as specified, verify Class I/II/III classifications, and follow IF 677 installation instructions for wiring, grounding, and routine testing to ensure ongoing safety and compliance in Class I Division 1 or 2 and other classified areas.
EMN24W31 is a three-pole, three-phase starter rated for 115-600 VAC with horsepower options of 3 HP, 7.5 HP, and 10 HP. It is designed for 3-phase motors and provides a compact, integrated starter solution in a NEMA 1 enclosure, balancing protection with ease of integration in standard and hazardous environments.
Yes. The EMN24W31 carries hazardous/classified location ratings per NEC/CEC, including Class I Division 1 & 2, Class II Division 1 & 2, and Class III, making it appropriate for oil & gas, chemical processing, and other environments where explosion or ignition sources must be controlled. Always verify local classifications and install per relevant standards.
Eaton provides installation and specification resources for EMN24W31, including the IF 677 instruction sheet and the EMN catalog page, plus a dedicated specification sheet. These documents support wiring diagrams, mounting guidance, and compatibility notes to speed installation and reduce commissioning risk in new builds or panel upgrades.
The EMN24W31 consolidates starter functionality, reducing wiring complexity and panel footprint, which lowers installation time and downtime. Its robust copper-free aluminum construction and hazardous-location ratings contribute to longer service life in tough environments, translating to lower maintenance costs and improved lifecycle return on investment for motor control sections.