Eaton 651S EMT Compression Connector - Straight, 3/4 in
Part Number: 651S
Quick Summary
651S EMT compression connector provides secure, fast terminations for EMT conduits in industrial electrical installations. Engineers often face challenges with loose fittings, corrosion, and maintaining code-compliant terminations under tight project schedules. This model complies with NEC/CEC standards and is suitable for ordinary/non-hazardous locations, with UL certification documentation available to support audits. By leveraging Eaton's Crouse-Hinds EMT family, you gain compatibility with other steel straight connectors and streamlined procurement across projects. Its 3/4 inch trade size and threadless compression design simplify field assembly in control panels, switchgear, and machinery wiring, delivering measurable time and cost savings without compromising reliability.
Product Information
Extended Description
651S Eaton: Eaton Crouse-Hinds series EMT compression connector, EMT, Straight, Non-insulated, Steel, Threadless, 3/4"
Product Name
Eaton Crouse-Hinds series EMT compression connector
Catalog Number
651S
UPC
784564206510
Product Length/Depth
1.59 in
Product Height
1.25 in
Product Width
1.2 in
Product Weight
0.16 lb
Area classification
Ordinary/Non-Hazardous Locations
Standards type
NEC/CEC
Conduit type
EMT
Connector type
Straight
Style
Compression
Insulator
Non-insulated
Trade size
3/4"
Thread
Threadless
Material
Steel
Eaton Crouse-Hinds 651S 3D drawing
Crouse-Hinds series Connectors and Couplings - EMT catalog page
Connectors and Couplings - EMT Canadian certification
Connectors and Couplings - EMT Canadian certification
Eaton Specification Sheet - 651S
Feature: Steel, non-insulated compression straight connector design. Business Impact: Delivers robust mechanical integrity and corrosion resistance in ordinary locations, reducing field rework. Application: Panel wiring and equipment terminations in manufacturing environments. Feature: Tool-less compression installation. Business Impact: Lowers labor costs and speeds up panel builds, enabling faster project turnover. Application: Assembly lines and retrofit projects where downtime is costly. Feature: NEC/CEC compliance with Ordinary/Non-Hazardous Location rating. Business Impact: Simplifies inspections and reduces risk of non-compliance, lowering regulatory exposure. Application: Commercial and light-industrial electrical installations. Feature: 3/4 in trade size for EMT conduit. Business Impact: Aligns with common facility conduit runs, improving compatibility and stock efficiency. Application: Wiring of machines, control cabinets, and feeder circuits. Feature: Documentation and certification support (UL, Eaton spec sheets, CAD drawings). Business Impact: Improves design accuracy and procurement confidence, shortening the engineering cycle. Application: Engineering design reviews and supplier audits. Insight: Integrated with the Crouse-Hinds family for scalable, standardized conduit fittings across projects, improving procurement and field interchangeability.
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FAQs
Installation begins by ensuring the EMT conduit is cut square and clean. Align the conduit with the straight compression body, insert fully, and tighten the compression mechanism using standard EMT installation tools until the joint seats securely. Verify alignment and conduct a pull test to confirm the termination remains firm under typical operating vibrations.
The 651S is designed for a 3/4 inch trade size and is specifically rated for EMT conduit. This combination is common across machine framing, control panels, and commercial equipment wiring, providing a reliable, standardized termination point in many facilities.
Yes. The connector is designed to meet NEC/CEC standards and is approved for ordinary/non-hazardous locations. This compatibility simplifies inspections and ensures that terminations align with typical electrical codes, reducing compliance risk on project handoffs.
A range of resources are available, including the Eaton specification sheet, 3D CAD drawing package, EMT catalog page, and Canadian/UL certification reports. These documents aid design, procurement, and regulatory submissions, helping teams verify fit, performance, and certification claims before sourcing.
Expect faster installations thanks to the tool-less, compression-based design, with fewer field adjustments and reduced call-backs from loose terminations. The rugged steel construction plus NEC/CEC compliance improves long-term reliability, lowering maintenance costs while ensuring steady performance in standard industrial applications.