Eaton EDS318 SA Snap Switch Control Station - Hazardous

Part Number: EDS318 SA
Eaton Crouse-Hinds logo
Manufacturer
Eaton Crouse-Hinds
Part number
EDS318 SA
Category

Quick Summary

EDS318 SA is a snap switch control station designed for rugged, hazardous-location electrical control in industrial settings. In harsh environments, control enclosures must withstand dust, moisture, and explosive atmospheres without compromising safety or uptime. This NEC/CEC compliant unit carries hazardous-area ratings (Class I, Division 1/2; Class II, III) and a NEMA 7/9/3 enclosure rating, providing reliable protection in demanding facilities. For engineers and maintenance teams, the combination of copper-free aluminum construction, 1" hub, and 120–277 VAC operation translates to faster, safer installations and long-term cost savings.

Product Information

Extended Description

EDS318 SA Eaton Crouse-Hinds: Eaton Crouse-Hinds series EDS snap switch control station, 20A, With switch, With one 1" hub, Copper-free aluminum, 4, 1, Single-gang, Two-pole, 120-277V, Dead end, Two-pole, 1", 120-277 Vac
Product Name
Eaton Crouse-Hinds series EDS snap switch control station
Catalog Number
EDS318 SA
Product Length/Depth
5.06 in
Product Height
5.875 in
Product Width
3.5 in
Product Weight
4 lb
UPC
782274535562
Area classification
Hazardous/Classified Locations
Standards type
NEC/CEC
NEC hazardous rating
Class I, Division 1 Class II, Division 1 Class III Class I, Division 2 Class II, Division 2
NEMA Rating
7 9 3
Enclosure type
With switch
Trade size
1"
Number Of Poles
Two-pole
Switch function
Two-pole
Number of gangs
Single-gang
Style
Dead end
Voltage rating
120-277 Vac
Amperage Rating
20A
Hub style
With one 1" hub
Number of circuits
4
Number of devices
1
Primary voltage range
120-277V
Material
Copper-free aluminum
EDS and EDSX Fully Assembled Snap Switches catalog page EDS and EFD Explosionproof Snap Switches Canadian certification - industrial control panels and assemblies EDS and EFD Explosionproof Snap Switches Canadian certification - industrial control panels and assemblies EDS and EFD Explosionproof Snap Switches Canadian certification - industrial control panels and assemblies EDS and EFD Explosionproof Snap Switches Canadian certification - industrial control panels and assemblies IF 242 - EDS and EDSC Control Stations IF 242 - EDS and EDSC Control Stations Eaton Specification Sheet - EDS318 SA
Copper-free aluminum enclosure provides corrosion resistance while keeping weight manageable, improving field handling and mounting efficiency in tight or restricted spaces. This translates to lower installation costs and safer handling during conduit routing, especially in hazardous environments where containment and cleanliness matter. The unit's 20A, 120-277 VAC two-pole configuration with four circuits and an integrated switch supports standard control loads, enabling compact panels and fewer components to source, ship, and maintain—reducing downtime and total cost of ownership. A single-gang form factor with a 1" hub simplifies conduit entries and interior wiring, accelerating panel assembly and enabling cleaner, faster retrofits in existing line layouts. Dimensions (5.06 in L, 5.875 in H, 3.5 in W) and a 4 lb weight balance rugged capability with practical installability. Compliance with NEC/CEC and NEMA ratings assures regulatory alignment and facility safety. Industry context shows end users benefit from easier sourcing of compatible Eaton snap-switch families, while IF 242 installation sheets support correct mounting and wiring practices. In hazardous locations, this enclosure design reduces maintenance complexity by providing a robust, certified home for critical control elements, improving uptime and safety margins across demanding applications.

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FAQs

The EDS318 SA uses a copper-free aluminum enclosure with a 1" hub, designed for conduit entries in hazardous or classified locations. Its dimensions (5.06 in L x 5.875 in H x 3.5 in W) and weight (4 lb) support straightforward mounting in compact panels. Follow IF 242 instructions for wiring and approvals to ensure compliant termination, grounding, and safe separation from sourced electronics in explosive atmospheres.
The device is rated for 20 A at 120-277 VAC and features a two-pole, four-circuit arrangement with a single-gang, dead-end style enclosure and a switch. This configuration supports common control loads while keeping panel footprint compact, aiding in efficient panel design and simplified maintenance in industrial automation applications.
Yes. The EDS318 SA adheres to NEC/CEC standards and is suitable for hazardous/classified locations. It carries a hazardous-area rating consistent with Class I, Division 1/2 and Class II, Division 1/2, plus a NEMA 7/9/3 enclosure rating, ensuring regulatory alignment and robust protection in demanding environments.
Yes. The EDS318 SA is part of Eaton Crouse-Hinds' snap switch family and is designed for compatibility with related EDS/EDSX control stations. It uses a 1" hub for conduit entries and is supported by Eaton’s installation resources (IF 242) to help ensure proper mounting, wiring, and field integration with other Eaton control components.
Choosing the EDS318 SA delivers improved safety and compliance in hazardous environments, reduced downtime through a robust, certified enclosure, and faster panel assembly thanks to its compact single-gang form factor and 1" hub. The copper-free aluminum construction balances durability with easier field handling, supporting lower total cost of ownership for industrial control installations.