Eaton Crouse-Hinds S1040 Throat Bushing - Rigid/IMC
Part Number: S1040
Quick Summary
The S1040 throat bushing from Eaton Crouse-Hinds provides insulated, threadless support for rigid/IMC conduits in electrical enclosures. Installers often struggle with time-consuming terminations and misalignment when using traditional threaded bushings; the S1040 simplifies field mounting while delivering a secure, dust-tight seal. This part is designed for ordinary non-hazardous locations and aligns with NEC/CEC standards; UL certification for Canadian use is also available, helping you meet regulatory requirements. With a durable malleable iron body and a 105°C rating, it withstands demanding environments while enabling faster, cost-effective panel builds. In practice, the S1040 supports safer, compliant conduit terminations and reduces field rework—important for project schedules and maintenance budgets.
Product Information
Extended Description
S1040 Eaton Crouse-Hinds: Eaton Crouse-Hinds series throat bushing, Rigid/IMC, Insulated, Malleable iron, 105°C, Threadless, 4"
Product Name
Eaton Crouse-Hinds series throat bushing
Catalog Number
S1040
UPC
784564112248
Product Weight
0.91 lb
Area classification
Ordinary/Non-Hazardous Locations
Standards type
NEC/CEC
Conduit type
Rigid/IMC
Insulator
Insulated
Thread
Threadless
Trade size
4"
Material
Malleable iron
Temperature rating
105°C
Crouse-Hinds series Insulating and Throat Bushings - Rigid-IMC catalog page
Insulating and Throat Bushings - Rigid-IMC Canadian certification
Insulating and Throat Bushings - Rigid-IMC Canadian certification
Eaton Specification Sheet - S1040
Feature Insulated and threadless throat bushing delivers quick, secure conduit entry without thread engagement. Benefit Reduces field installation time and rework while maintaining a moisture-tight seal. Application Ideal for electrical enclosures and control panels in manufacturing facilities. Feature Malleable iron construction provides rugged durability in demanding environments. Benefit Withstands vibration and mechanical wear, lowering replacement costs. Application Suitable for industrial control panels and junction boxes in harsh plants. Feature 4 inch trade size with compatibility for rigid/IMC conduit. Benefit Offers broad install flexibility and eliminates unnecessary adapters, saving space and time. Application Retrofit projects and new builds. Feature Temperature rating of 105°C. Benefit Supports high ambient temperatures common in motor control centers and heat-generating equipment. Application High-heat enclosures and outdoor installations where rating matters. Feature Insulated, threadless design and suitability for ordinary locations. Benefit Aids NEC/CEC compliance and reduces potential certification delays. Application General industrial installations requiring standard location compliance. Feature Documentation and catalog references from Eaton plus UL Canada certification options. Benefit Streamlines procurement, auditing, and compliance packages. Application Procurement workflows and regulatory submissions.
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FAQs
The S1040 simplifies installation with its threadless design, eliminating the need to chase threads. Verify conduit diameter matches the 4 inch trade size and ensure enclosure fill and clearance meet panel requirements. The insulated body helps prevent moisture ingress, while compatibility with rigid/IMC reduces the need for adapters and speeds up terminations.
Key specifications include a 4 inch trade size, threadless entry, insulated body, malleable iron construction, and a 105°C temperature rating. It is designed for rigid/IMC conduit and is suitable for ordinary/non-hazardous locations under NEC/CEC standards, with Canadian UL certification options available for compliance.
Yes. The S1040 is certified for ordinary/non-hazardous locations and adheres to NEC/CEC standards. This makes it appropriate for general industrial installations, providing regulatory alignment without complex, location-specific accessories. Always verify local codes and project specifications to ensure full compliance in your application.
S1040 enhances safety by delivering a secure, insulated connection that reduces moisture ingress and potential corrosion at conduit entry points. The durable malleable iron body resists vibration and wear, lowering replacement frequency and maintenance downtime, while its 105°C rating supports reliability in hot or demanding environments.
Documentation is available through Eaton Crouse-Hinds catalogs and spec sheets, including the official Eaton S1040 datasheet. Certification references include NEC/CEC compliance and UL Canada certification options. Catalog pages and certification reports can be accessed via the provided links to Eaton and UL resources for quick audit and procurement alignment.