Eaton H1040 Throat Bushing - Rigid IMC Insulated 4 in
Part Number: H1040
Quick Summary
Eaton H1040 throat bushing is a threaded, insulated conduit fitting designed for rigid/IMC systems in industrial environments. It provides reliable electrical isolation and mechanical support where conduits experience vibration and enclosure constraints. This part aligns with NEC/CEC standards and UL listings for North American installations, supporting ordinary/non-hazardous locations. By selecting this 4 in insulated throat bushing, buyers benefit from standardized cataloging, improved inventory management, and reduced field rework, translating to lower total cost of ownership and faster project execution. For teams seeking dependable conduit fittings with clear regulatory compliance, the H1040 delivers consistent performance and ease of sourcing.
Product Information
Extended Description
H1040 Eaton Crouse-Hinds: Eaton Crouse-Hinds series throat bushing, Rigid/IMC, Insulated, Malleable iron, 150°C, Threaded, 4"
Product Name
Eaton Crouse-Hinds series throat bushing
Catalog Number
H1040
UPC
784564112996
Product Length/Depth
2.1 in
Product Height
0.8 in
Product Width
1.3 in
Product Weight
0.02 lb
Area classification
Ordinary/Non-Hazardous Locations
Standards type
NEC/CEC
Conduit type
Rigid/IMC
Insulator
Insulated
Thread
Threaded
Trade size
4"
Material
Malleable iron
Temperature rating
150°C
Crouse-Hinds series Insulating and Throat Bushings - Rigid-IMC catalog page
Insulating and Throat Bushings - Rigid-IMC UL certification
Insulating and Throat Bushings - Rigid-IMC UL certification
Feature: Rigid IMC compatibility and threaded connection. Business Impact: Ensures secure, leak-free mechanical assembly with proven conductivity and tactile torque, reducing maintenance calls. Application: Suitable for 4" rigid/IMC conduit runs in non-hazardous industrial enclosures. The compatibility minimizes retrofit costs when upgrading older installations and supports quick replacement cycles. Feature: Insulated construction with malleable iron body. Business Impact: Delivers electrical isolation and robust physical strength in vibration-prone environments, lowering insulation wear and arcing risk. Application: Ideal for motors, pumps, and control panels in manufacturing plants. Feature: 150°C temperature rating. Business Impact: Enables operation in elevated heat zones without coating degradation or performance loss, extending service life. Application: Chemical processing lines and hot equipment areas where ambient temps approach limits. Feature: 4 inch trade size with precise dimensions. Business Impact: Facilitates standardization across multi-site projects, improving procurement efficiency and reducing misfits. Application: New builds and retrofits with 4" conduit networks. Feature: NEC/CEC compliance and UL certification. Business Impact: Provides regulatory assurance, simplifies approval cycles, and supports Canada/US installations. Application: Residential and commercial facilities as well as heavy industry equipment spaces. Feature: Compact footprint (2.1 in L, 0.8 in H, 1.3 in W) with lightweight design. Business Impact: Eases installation in tight enclosures and minimizes overall panel weight, improving handling and alignment. Application: Control panels and junction boxes with space constraints. Feature: Threaded design for straightforward installation. Business Impact: Reduces installation time and risk of misalignment, enabling faster field assembly and reliable long-term sealing. Application: On-site conduit termination and panel mounting in harsh environments.
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FAQs
Yes. The H1040 is specifically designed for 4 inch trade size rigid/IMC conduits and features threaded connections for secure, code-compliant terminations. It fits standard conduit couplings and fits neatly within typical panel elevations, reducing misalignment and field rework.
The H1040 uses malleable iron for mechanical strength and insulation to prevent electrical leakage. It is rated to 150°C, allowing repeated hot-start conditions, motor loads, and dense wiring environments without insulation degradation or mating surface damage.
This part is ideal for ordinary/non-hazardous locations in North America, where NEC/CEC compliance is required. It’s well-suited for factory floors, control panels, and non-hazardous process areas, offering UL-listed certification for stable, compliant installations.
H1040 aligns with NEC/CEC standards and carries UL certification for rigid-IMC throat bushings. It’s approved for ordinary/non-hazardous locations, enabling straightforward approval within standard electrical distribution and industrial facilities.
Choosing the H1040 reduces downtime through quick, threaded installation and reliable insulation, aiding predictable maintenance cycles. The standardized 4 inch size streamlines procurement across sites, lowers spare parts inventory, and speeds project schedules with proven performance.