Eaton Crouse-Hinds WSQC3340 Interlocked Receptacle - NEMA 3R
Part Number: WSQC3340
Quick Summary
WSQC3340 interlocked receptacle provides a safe, enclosed switch for heavy-duty equipment in industrial applications. It addresses the risk of accidental energization during maintenance by securely interlocking with the connected plug. Certified for ordinary/non-hazardous locations under NEC/CEC, with a NEMA 3R enclosure for outdoor or wet environments. Incorporating Arktite WSQC interlock capabilities supports reliable wiring and power control, while a 30 A rating ensures durable performance. For engineers and buyers, the combination of robust materials, standard ratings, and comprehensive documentation accelerates procurement and installation. This module is designed for simple mounting and cross-compatibility with Eaton's Arktite WSQC line, reducing spare-part variety. It also supports long-term maintenance planning with UL certification references and installation sheets.
Product Information
Extended Description
WSQC3340 Eaton Crouse-Hinds: Eaton Crouse-Hinds series Arktite WSQC interlocked receptacle with enclosed switch, 30A, Three-wire, four-pole, Brass contacts, Copper-free aluminum, 1", 120-600 Vac
Product Name
Eaton Crouse-Hinds series Arktite WSQC interlocked receptacle with enclosed switch
Catalog Number
WSQC3340
UPC
782274019994
Product Length/Depth
3.13 in
Product Height
9.75 in
Product Width
5.75 in
Product Weight
5.35 lb
Area classification
Ordinary/Non-Hazardous Locations
Standards type
NEC/CEC
NEMA Rating
3R 12
Enclosure type
With switch
Amperage Rating
30A
Trade size
1"
Configuration
Three-wire, four-pole
Voltage rating
120-600 Vac
Material
Copper-free aluminum
Contact material
Brass
Arktite WSQC Interlock Receptacles catalog page
Arktite WSQC Interlock Receptacles UL certification
Arktite WSQC Interlock Receptacles UL certification
IF 1371 - WSQ Series 30 and 60A Interlock Receptacle
Eaton Specification Sheet - WSQC3340
Feature Interlocked switching with enclosed switch provides a fail-safe disconnect at maintenance points. Business Impact Reduces risk of unintended startup, protecting personnel and equipment while aligning with OSHA and internal safety programs. Application Ideal for industrial automation, machine tooling, and packaging lines where controlled power is critical. Feature Copper-free aluminum enclosure offers robust corrosion resistance in damp or outdoor environments. Business Impact Lowers maintenance costs and downtime due to enclosure degradation, extending lifecycle. Application Suitable for outdoor enclosures, wash-down areas, and exposed installations across manufacturing facilities. Feature Amperage rating of 30A with a wide voltage range of 120-600 VAC, in a 1 inch trade size and three-wire four-pole configuration. Business Impact Enables compatibility with standard industrial power systems and simplifies wiring practices. Application Includes heavy-duty motors, conveyors, and equipment requiring robust power control. Feature Brass contact material with a copper-free body delivers reliable current transfer and resistance to corrosion. Business Impact Improves electrical reliability and reduces replacement frequency in demanding environments. Application Fits general purpose power connections within Arktite WSQC systems. Feature NEC/CEC compliance and NEMA 3R enclosure with ordinary/non-hazardous location classification. Business Impact Supports regulatory clearance and safer installations, facilitating audits and project sign-offs. Application Practical for facility upgrades and new-control-panel designs requiring certified components. Feature Comprehensive documentation and compatibility with WSQC catalog pages and UL certification references. Business Impact Accelerates procurement, reduces risk of part mismatches, and streamlines maintenance planning. Application Beneficial for OEMs and integrators designing repeatable control architectures across facilities.
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FAQs
Yes. WSQC3340 follows Eaton’s Arktite WSQC interlock family with a 1 inch trade size and three-wire, four-pole configuration, designed for straightforward panel mounting and compatibility with existing WSQC schemes. The enclosure dimensions and mounting footprint align with common control-panel layouts, simplifying retrofits and new installations alike.
WSQC3340 delivers 30A at 120-600 VAC, using brass contacts for reliable conductivity and a copper-free aluminum enclosure for corrosion resistance. It is configured as three-wire, four-pole with an enclosed switch, and shares the same Arktite family construction that supports durable service in busy industrial environments.
This interlocked receptacle excels in manufacturing, packaging, and material-handling facilities requiring controlled energization during servicing. Its NEMA 3R enclosure and ordinary/non-hazardous location rating make it ideal for indoor and protected outdoor areas where rugged power control and safe maintenance are priorities.
WSQC3340 carries NEC/CEC standards alignment and a NEMA 3R enclosure rating, ensuring suitability for non-hazardous locations and durability in various environments. UL certification documents are available, supporting regulatory compliance and site audits while facilitating cross-border use.
The model ships with comprehensive documentation, installation sheets, and catalog references, reducing procurement risk and mis-matches. The robust materials and interlock design translate to lower downtime, safer servicing, and predictable maintenance budgets, delivering a favorable total cost of ownership for ongoing electrical safety and reliability.