Eaton TMC3-075-1 Cable Gland - 3/4 in NPT IP66
Part Number: TMC3-075-1
Quick Summary
The Eaton TMC3-075-1 Cable Gland is a rugged sealing solution for armored MC cables used in industrial enclosures. Engineers often struggle with moisture ingress, unsealed connections, and noncompliant gland hardware in harsh factories, leading to downtime and safety risks. This gland delivers IP66 protection, NEMA 4X suitability, and NEC/CEC IECEx/ATEX certifications to simplify hazardous-location installations. With armored and non-armored compatibility and a wide cable range, it supports fast, compliant field installs, helping projects stay on schedule and within budget.
Product Information
Extended Description
TMC3-075-1 Eaton Crouse-Hinds: Eaton Crouse-Hinds series TMC3 cable gland, 0.579" - 0.872" armor min./max., Armoured and non-armoured, Aluminum, 0.65-1.00" outer sheath min./max., Industrial protection, 3/4" NPT
Product Name
Eaton Crouse-Hinds series TMC3 cable gland
Catalog Number
TMC3-075-1
UPC
662276888500
Product Length/Depth
3.38 in
Product Height
1.63 in
Product Width
1.63 in
Product Weight
0.36 lb
Area classification
Hazardous/Classified Locations
Standards type
NEC/CEC IECEx/ATEX
NEC hazardous rating
Class II, Division 1 Class III
NEMA Rating
4X
Ingress protection (IP) ratings
IP66
Protection type
Industrial
Gland type
Armoured and non-armoured
Cable type
MC MC-HL TECK TC TC-ER TC-ER-HL ITC ITC-ER ITC-HL PLTC PLTC-ER ACIC
Material
Aluminum
Thread Size
3/4"
Thread type
NPT
Armor (min/max)
0.579" - 0.872"
Cable range (min/max)
0.67" - 1.00"
Outer sheath (min/max)
0.65-1.00"
Crouse-Hinds series TMC3 Armored Gland brochure
Crouse-Hinds series TMC3 Armored and Non-armored Cable Glands catalog page
TMC3 Armored Gland Canadian certification (Class and Division)
TMC3 Armored Gland Canadian certification (Class and Division)
TMC3 Armored Gland Canadian certification (Class and Division)
TMC3 Armored Gland Canadian certification (Class and Division)
TMC3 Armored Gland Canadian certification (Class and Division)
IF 1890 - TMC3 Cable Gland
Eaton Specification Sheet - TMC3-075-1
Armor range from 0.579 in to 0.872 in ensures a precise seal across armored cables, delivering dependable ingress protection and reducing maintenance calls for sealing recalls on MC cables in harsh environments. This translates to lower downtime and more reliable equipment performance in continuous-operation facilities that depend on resilient gland integrity. It directly supports MC and MC-HL cable families, enabling faster wiring schemes and fewer component substitutions on site. Cable range of 0.67 in to 1.00 in accommodates a broad spectrum of MC, TECK, TC, TC-ER, TC-ER-HL, ITC, ITC-ER, ITC-HL, PLTC, PLTC-ER, and ACIC conductors, simplifying procurement and installation while maintaining full compression and seal integrity. The gland type—armoured and non-armoured—gives installers flexibility to address mixed cable runs without carrying multiple gland variants, reducing inventory complexity and project cost. Aluminum construction offers a strong, corrosion-resistant enclosure solution while keeping weight manageable for overhead supports and serviceability in industrial plants. This choice improves handling during installation and reduces structural loading on lightweight enclosures, supporting longer service life in damp or mildly corrosive environments. The 3/4 inch NPT thread size aligns with common industrial enclosures and conduit adaptors, enabling rapid mounting with familiar fittings. This minimizes commissioning time, speeds spares provisioning, and reduces risk of thread misalignment or cross-threading during assembly. IP66 ingress protection and NEMA 4X suitability provide robust defense against dust, water, and harsh weather conditions, which is critical for outdoor installations and hazardous locations. This level of protection supports NEC/CEC IECEx/ATEX compliance, ensuring equipment integrity in class II, division 1, and other hazardous areas. The gland’s certified status under these standards reduces procurement risk and accelerates security-clearance milestones in regulated projects. The combination of NEC/CEC IECEx/ATEX certifications and hazardous-location area classification (Hazardous/Classified Locations) ensures adherence to multiple market requirements, reducing the need for redesigns when expanding or relocating lines. This translates into measurable ROI through accelerated permit approval and fewer late-stage changes during commissioning.
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FAQs
The TMC3-075-1 is designed for armored and non-armored MC-style cables and fits standard 3/4 in NPT glands on common industrial enclosures. It supports MC, MC-HL, TECK, TC, TC-ER, TC-ER-HL, ITC, ITC-ER, ITC-HL, PLTC, PLTC-ER, and ACIC cable types, making it versatile for mixed-cable installations without multiple gland variants.
This gland offers IP66 ingress protection and a NEMA 4X enclosure rating, delivering dust-tight integrity and protection against heavy seas and hose-directed water. It is suitable for outdoor and harsh indoor environments, including hazardous locations when combined with appropriate certifications.
Yes. It is certified under NEC/CEC IECEx/ATEX and designed for Hazardous/Classified Locations, enabling safe use in areas with explosive atmospheres when installed per the included installation instructions and local regulations.
Key certifications include NEC/CEC IECEx/ATEX, NEMA 4X, and IP66 protection. Area classification confirms suitability for Hazardous/Classified Locations, providing regulatory assurance for global deployments.
The gland’s 3/4" NPT thread, aluminum construction, and armoured/non-armoured compatibility reduce assembly time, inventory needs, and risk of rework. Its broad cable range and robust protection lower failure rates in harsh environments, contributing to lower maintenance costs and faster project completion.