Eaton LTB75S Liquidtight Connector - Hazardous Locations
Part Number: LTB75S
Quick Summary
The Eaton LTB75S Liquidtight Connector is designed to securely join FMC conduit systems in hazardous locations. Installing in harsh environments often challenges reliability, protection, and code compliance, especially when duct or conduit routing is tight. This model meets NEC/CEC standards and supports hazardous location ratings: Class I, Division 2; Class II, Division 1 and 2; and Class III. Constructed of steel and insulated for moisture and chemical resistance, the straight 3/4 in trade-size connector delivers robust performance while simplifying field termination. By pairing with Eaton’s compatible FMC fittings, installation time decreases and field reliability increases, reducing costly rework. This makes it well-suited for industrial automation environments where uptime and safety are paramount.
Product Information
Extended Description
LTB75S Eaton Crouse-Hinds: Eaton Crouse-Hinds series liquidtight connector, FMC, Straight, Insulated, Steel, 3/4"
Product Name
Eaton Crouse-Hinds series liquidtight connector
Catalog Number
LTB75S
UPC
662277061520
Product Length/Depth
2.13 in
Product Height
1.56 in
Product Width
1.56 in
Product Weight
0.22 lb
Area classification
Hazardous/Classified Locations
Standards type
NEC/CEC
NEC hazardous rating
Class I, Division 2 Class II, Division 1 Class II, Division 2 Class III
Conduit type
FMC
Connector type
Straight
Material
Steel
Insulator
Insulated
Trade size
3/4"
Crouse-Hinds series Steel and Stainless Steel Liquidtight Fittings catalog page
Metallic Liquidtight Fittings UL certification
Metallic Liquidtight Fittings UL certification
Eaton Specification Sheet - LTB75S
FMC conduit compatibility and a straight profile simplify routing in compact panels, reducing misalignment and seal leakage. This translates to faster terminations, fewer rework events, and improved field reliability on demanding equipment. In automation settings such as control panels, robotic cabinets, and machine housings, the LTB75S helps keep cables organized while maintaining a robust protective interface with enclosures. Insulated steel construction provides mechanical strength and moisture resistance, improving long-term durability in harsh environments. The steel shell resists impact during installation, while insulation protects conductors from short circuits caused by moisture ingress. The result is lower replacement costs and longer service life in production lines that see frequent washdowns or chemical exposure. Hazardous-location ratings and NEC/CEC compliance are central features. The LTB75S supports Class I Division 2, Class II Division 1 and 2, and Class III, aligning with global safety standards. This helps engineering teams meet regulatory requirements, simplify documentation for audits, and reduce project risk when selecting fittings for hazardous areas. UL certification documentation and Eaton specification sheets support procurement, qualification, and quality assurance. Access to catalog pages, datasheets, and testing reports streamlines vendor approval and helps maintain traceability in MRO programs. Including these documents in project packs can shorten procurement cycles and improve audit readiness. Compact dimensions (2.13 in length, 1.56 in width and height) and a light 0.22 lb weight simplify mounting in crowded panels and restricted spaces. Compatibility with Eaton FMC fittings ensures seamless terminations and consistent performance across installations. Field trials show stable connections under vibration and temperature cycling typical of industrial environments.
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FAQs
Yes. The LTB75S is a straight FMC liquidtight connector designed for 3/4 inch trade-size conductors, compatible with standard FMC fittings from the Eaton Crouse-Hinds line. It provides a secure seal and easy termination, helping technicians avoid incompatible adapters. For best results, match the conduit, gasket, and gland material to the installation environment.
The LTB75S supports NEC/CEC standards and hazardous location ratings: Class I Division 2, Class II Division 1 and 2, and Class III. This ensures compliant operation in hazardous or classified areas and simplifies code documentation for inspections. In practice, this means suitability for chemical plants, refineries, and rugged manufacturing floors while maintaining moisture and chemical resistance.
Absolutely. The LTB75S is designed for hazardous/classified locations and is well-suited for control panels, automation enclosures, and process equipment in chemical plants and similar environments. Its steel, insulated construction and 3/4 in trade size deliver durable terminations that meet code requirements while reducing wiring complexity in tight spaces.
Yes. The LTB75S is supported by UL certification reports and NEC/CEC compliance documentation. Eaton provides specification sheets and catalog references to facilitate vendor qualification, audits, and procurement workflows. Access to these documents helps ensure traceability and accelerates approval in regulated industries.
Using the LTB75S reduces installation time through straightforward FMC termination and a compact, straight design that fits crowded enclosures. Its insulated steel construction lowers maintenance needs by resisting moisture and chemical exposure, improving long-term reliability. This translates to less rework, fewer field failures, and a lower total cost of ownership in automated facilities.