EFS3190 Explosionproof Pushbutton Control Station - Hazardous
Part Number: EFS3190
Quick Summary
The EFS3190 explosionproof pushbutton control station provides reliable local control for hazardous-location equipment. Maintenance teams struggle with unsafe enclosures and noncompliant installations in harsh environments. This unit offers NEC/CEC compliance and hazardous-location ratings, including Class I, Division 1 and 2, Class II, Division 1 and 2, and Class III, plus a NEMA 3, 7, 9 enclosure. Designed for rugged duty in chemical plants, refineries, and mining operations, it integrates with 600 Vac systems and two pushbuttons in a single-gang, with one 1" hub. The combination of certified protection and a compact form factor simplifies field upgrades, reduces wiring complexity, and supports safer, compliant start-stop operations for critical machinery.
Product Information
Extended Description
EFS3190 Eaton Crouse-Hinds: Eaton Crouse-Hinds series EFS pushbutton control station, With pushbuttons, With one 1" hub, Feraloy iron alloy, Two circuit universal, 2, 2, Single-gang, 2, Dead end, 1", 600 Vac
Product Name
Eaton Crouse-Hinds series EFS pushbutton control station
Catalog Number
EFS3190
Product Length/Depth
3.5 in
Product Height
5.91 in
Product Width
5.25 in
Product Weight
8.4 lb
UPC
782274285702
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 pushbuttons
Voltage rating
600 Vac
Number of gangs
Single-gang
Number of pushbuttons
2
Number of devices
2
Normal position
Two circuit universal
Style
Dead end
Trade size
1"
Number of circuits
2
Hub style
With one 1" hub
Material
Feraloy iron alloy
SP3D Design Package - EDS and EFS Explosionproof Control Stations
EFS explosionproof control stations for group B applications - catalog page
EDS and EFS Explosionproof Pushbutton, Pilot Light, and Selector Switch Control Stations UL certification
EDS and EFS Explosionproof Pushbutton, Pilot Light, and Selector Switch Control Stations UL certification
IF 899 - EDSX, EDS, EFS, DSDX and DSD Control Stations
IF 899 - EDSX, EDS, EFS, DSDX and DSD Control Stations
Eaton Specification Sheet - EFS3190
Feature → Business Impact → Application: The EFS3190 uses a Feraloy iron alloy enclosure, delivering rugged durability and resistance to harsh chemicals, which translates to lower maintenance costs and longer service life in aggressive environments such as oil refineries and chemical plants. Application: ideal for explosionproof control stations in hazardous locations where uptime is critical. Feature → Business Impact → Application: Two pushbuttons and two devices in a single-gang, dead-end design reduce panel footprint and wiring complexity, accelerating installation and reducing labor costs on new builds or retrofits. Application: suitable for compact control panels in confined spaces where safety and space optimization matter. Feature → Business Impact → Application: With one 1" hub and a 3.5" depth, the unit fits standard conduit layouts and minimizes retrofit challenges, enabling faster commissioning in existing systems. Application: advantageous for plant-wide upgrades and machine retrofit projects. Feature → Business Impact → Application: NEC/CEC compliance, Hazardous/Classified Location ratings, and NEMA 3, 7, 9 enclosures provide regulatory assurance and robust protection, reducing risk of noncompliance penalties and shielding critical control circuits. Application: essential for refineries, chemical processing, and mining operations. Feature → Business Impact → Application: 600 Vac voltage rating supports integration with common industrial power distribution, enabling seamless compatibility with existing electrical architectures. Application: streamlines acceptance testing and reduces rework during integration with motor drives and control circuits.
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FAQs
The EFS3190 is designed for single-gang installation with a 1" hub, supporting standard conduit connections and NEMA-rated protection. Mounting should follow the installation instructions IF 899/IF328 series sheets, ensuring proper enclosure sealing and grounding. The two-pushbutton, two-device configuration simplifies wiring by limiting required field terminations and reduces commissioning time in hazardous areas.
This unit is rated for 600 Vac operation, with two pushbuttons and two devices in a single-gang enclosure. The Feraloy iron alloy enclosure provides robust mechanical protection, while the hazardous-location ratings (Class I, Division 1 & 2; Class II, Division 1 & 2; Class III) support safe operation in flammable and conductive atmospheres. These specs contribute to reliable performance and regulatory compliance.
Industries such as oil and gas, chemical processing, mining, and power generation benefit significantly. The EFS3190 supports demanding duty in hazardous locations, enabling safe control of start/stop functions for motors and equipment while meeting NEC/CEC standards and NEMA 3, 7, 9 enclosure requirements, which reduces risk and improves uptime in these environments.
The EFS3190 carries NEC/CEC compliance and hazardous-location ratings including Class I Division 1 and 2, Class II Division 1 and 2, and Class III, plus NEMA ratings 3, 7, and 9. UL certifications for explosionproof performance in hazardous locations are referenced in official documents, supporting regulatory acceptance in both the US and Canada.
The rugged Feraloy iron alloy enclosure and explosionproof design reduce corrosion-related maintenance and enclosure replacements in aggressive environments. With a compact, easy-to-wire form factor and standardized hub, installation costs are lower, commissioning time is shorter, and downtime is minimized, delivering a favorable total cost of ownership for hazardous-location control systems.