Eaton Crouse-Hinds EDS2129 SA Snap Switch - Hazardous

Part Number: EDS2129 SA
Eaton Crouse-Hinds logo
Manufacturer
Eaton Crouse-Hinds
Part number
EDS2129 SA
Category

Quick Summary

EDS2129 SA Snap Switch Control Station provides rugged control for hazardous-location equipment. In tough environments, enclosure integrity matters—dust, moisture, and tamper risks drive downtime; this unit’s factory-sealed design minimizes leakage and maintenance. It carries NEC/CEC compliance and hazardous-area ratings (Class I, Division 1 & 2; Class II, Division 1 & 2; Class III), with a rugged NEMA 3, 7, 9 enclosure. Designed for single-gang installations with a 3/4" hub and 120–277 V operation at 20 A, it delivers reliable, compliant control where downtime costs matter. With copper-free aluminum construction and factory sealing, this station supports durable installations in industrial automation, electrical protection, and control-system integrations.

Product Information

Extended Description

EDS2129 SA Eaton Crouse-Hinds: Eaton Crouse-Hinds series EDS snap switch control station, 20A, With switch, With one 3/4" hub, Copper-free aluminum, 1, Single-gang, Single-pole, 120-277V, Factory sealed, Dead end, Single-pole, 3/4", 120-277 Vac
Product Name
Eaton Crouse-Hinds series EDS snap switch control station
Catalog Number
EDS2129 SA
Product Length/Depth
5.06 in
Product Height
5.875 in
Product Width
3.5 in
Product Weight
3.7 lb
UPC
782274510156
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
Enclosure type
With switch
Trade size
3/4"
Number Of Poles
Single-pole
Switch function
Single-pole
Number of gangs
Single-gang
Style
Dead end
Voltage rating
120-277 Vac
Amperage Rating
20A
Hub style
With one 3/4" hub
Number of devices
1
Primary voltage range
120-277V
Material
Copper-free aluminum
Special features
Factory sealed
EDS and EDSX Fully Assembled Snap Switches catalog page EDS and EFD Explosionproof Snap Switches UL certification - snap switches EDS and EFD Explosionproof Snap Switches UL certification - snap switches EDS and EFD Explosionproof Snap Switches UL certification - snap switches EDS and EFD Explosionproof Snap Switches UL certification - snap switches IF 242 - EDS and EDSC Control Stations IF 242 - EDS and EDSC Control Stations Eaton Specification Sheet - EDS2129 SA
Feature: 20 A at 120–277 V with a single-pole, single-gang snap switch and one 3/4" hub. Business Impact: Streamlines wiring and reduces field wiring errors, accelerating panel assembly and commissioning. Application: Motor control panels and machine enclosures in hazardous locations where reliable single-pole switching is required. Feature: Copper-free aluminum enclosure with factory sealing. Business Impact: Enhances corrosion resistance and extends service life, lowering maintenance cycles and replacement costs. Application: Harsh chemical, outdoor, and industrial facilities where enclosure integrity matters. Feature: Hazardous-locationRatings including Class I, Division 1 & 2; Class II, Division 1 & 2; Class III; and NEMA ratings 3, 7, 9. Business Impact: Ensures NEC/CEC compliance and safety compliance for regulatory audits, reducing project risk. Application: Installations in chemical plants, refineries, and mining or offshore environments. Feature: Enclosure type With switch and design Dead end. Business Impact: Facilitates straightforward wiring, quick integration with existing control loops, and reliable dead-end feed connections. Application: Field installations in compact control panels and limited-access areas. Feature: Factory-sealed construction. Business Impact: Minimizes ingress and reduces preventive maintenance, lowering downtime, and preserving control reliability. Application: Continuous-duty industrial operations with exposure to dust and moisture. Feature: 3/4" hub, 1 device, and 1 gang configuration. Business Impact: Simplifies conduit routing and field adaptability, reducing install time and parts variety. Application: Standardized control stations across equipment lines for consistent maintenance practices.

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FAQs

Install the EDS2129 SA as a single-gang snap switch control station with its 3/4" hub. Ensure conduit entries and wiring follow Class I/II/III requirements, connect line and load within 120–277 VAC, and secure the enclosure to maintain the factory seal. The unit’s dead-end design simplifies wiring runs and minimizes field alterations, reducing commissioning time in hazardous environments.
EDS2129 SA provides a 20A rating with a 120–277 VAC range, single-pole operation, and a single-gang enclosure. It features a single 3/4 inch hub for conduit entries, copper-free aluminum construction, and a factory-sealed enclosure for rugged industrial use in hazardous locations.
Yes. The EDS2129 SA carries NEC/CEC compliance and hazardous-area ratings including Class I Division 1 and Division 2, Class II Division 1 and 2, and Class III, making it suitable for regulated hazardous locations while maintaining safe, reliable operation.
The unit is certified for Hazardous/Classified Locations with NEC/CEC standards and is rated by NEMA as 3, 7, and 9. It also features a factory-sealed enclosure suitable for hazardous environments, aligning with industry safety and performance expectations.
The copper-free aluminum enclosure resists corrosion, while factory sealing reduces ingress-related maintenance and downtime. Combined with a compact 3/4" hub and 20A 120–277V switching, it lowers installation time and spare-parts costs, improving overall return on investment in mission-critical automation panels.