Eaton TECK300 21 Cable Gland - Armoured, Hazardous/Classified Locations
Part Number: TECK300 21
Quick Summary
TECK300 21 cable gland provides armored sealing for TECK cables in hazardous locations. In demanding environments, inconsistent ingress protection or difficult installation can lead to unplanned downtime and costly repairs. This gland meets NEC/CEC requirements, carries a NEMA 4 rating, and supports hazardous/classified locations with Class II, Division 1 and Class III ratings, ensuring safe, reliable operation. Built for rugged industrial use, it offers durable aluminum construction and a 3" NPT connection that simplifies mounting and maintenance. By standardizing on this gland, procurement teams can streamline sourcing, ensure compliance, and accelerate panel assembly, while installers benefit from straightforward assembly and long-term reliability for armoured TECK cable systems.
Product Information
Extended Description
TECK300 21 Eaton Crouse-Hinds: Eaton Crouse-Hinds series TECK cable gland, TECK armoured cable, Armoured gland, Aluminum, Outer sheath min/max: 3.21-3.48", General purpose, 3" NPT, Armor range min/max: 3.04-3.39"
Product Name
Eaton Crouse-Hinds series TECK cable gland
Catalog Number
TECK300 21
UPC
782274116860
Product Length/Depth
6.4 in
Product Height
5.25 in
Product Width
5.25 in
Product Weight
2.75 lb
Area classification
Hazardous/Classified Locations
Standards type
NEC/CEC
NEC hazardous rating
Class II, Division 1 Class III
NEMA Rating
4
Protection type
General purpose
Cable type
TECK armored
Gland type
Armoured
Material
Aluminum
Thread Size
3"
Thread type
NPT
Armor (min/max)
3.04-3.39"
Outer sheath (min/max)
3.21-3.48"
Crouse-Hinds series TECK catalog page
IF 1417 - TECK Cable Fittings
Eaton Specification Sheet - TECK300 21
Feature: Aluminum armoured TECK cable gland provides corrosion resistance and lightweight durability → Business Impact: Improves field reliability and reduces maintenance costs by delivering robust performance in harsh environments → Application: Suitable for long-term service in control panels, mining equipment, and chemical processing plants. Feature: 3" NPT thread size and standard gland interface → Business Impact: Simplifies installation and retrofits with existing enclosures, cutting commissioning time and potential leaks → Application: Ideal for new builds and upgrades where standardized, threaded fittings are required. Feature: Outer sheath range 3.21-3.48" and armor range 3.04-3.39" → Business Impact: Ensures precise cable compatibility, reducing seal failures and warranty claims → Application: TECK armored cables with common diameter bands are secured with confidence. Feature: General purpose protection type → Business Impact: Provides versatile use across multiple applications without compromising performance → Application: General purpose gland suitable for a wide range of equipment enclosures and wiring methods. Feature: NEC/CEC compliance and NEMA 4 rating plus hazardous area ratings (Class II, Division 1; Class III) → Business Impact: Accelerates approvals and reduces regulatory risk, enabling faster project sign-offs → Application: Critical for chemical plants, refineries, and other hazardous-location installations. Feature: Armor and gland compatibility with TECK armored systems → Business Impact: Improves installation efficiency and reduces field modification requirements → Application: Maintains seal integrity when connecting TECK armored cables to fittings and enclosures.
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FAQs
TECK300 21 uses a standard 3 in NPT thread, enabling straightforward mounting to compatible enclosures. Ensure enclosure penetrations are rated for NPT fittings, apply appropriate sealing compounds or gaskets, and verify cable outer diameter falls within the 3.21–3.48 in sheath range and the armor is within 3.04–3.39 in. Follow installation sheets IF 1417 for TECK cable fittings to ensure compliance and optimal ingress protection in hazardous locations.
TECK300 21 is designed for hazardous/classified locations with NEC/CEC compliance and a NEMA 4 rating. It offers reliable sealing and enclosure protection suitable for environments with explosive dust and ignitable atmospheres. The aluminum armoured gland maintains integrity under vibration and temperature variations common in processing plants, helping maintain ongoing safety and reducing risk of containment breaches.
Yes, TECK300 21 is specifically specified for TECK armored cable, featuring an armoured gland design that matches the cable armor range. The 3" NPT thread and aluminum construction enable quick, secure mounting while maintaining robust ingress protection. Contractors gain faster commissioning, fewer field modifications, and improved consistency across installations, which lowers project risk and shortens lead times.
TECK300 21 carries NEC/CEC standards and a NEMA 4 rating, with area classifications for Hazardous/Classified Locations. The NEC hazardous rating includes Class II, Division 1 and Class III, which are crucial for ensuring compliance in areas with flammable dust or fibers. These certifications help avoid regulatory delays and support safe, auditable installations in industrial environments.
The TECK300 21 gland provides durable, code-compliant sealing for armored TECK cables, reducing maintenance and leakage risks in harsh environments. Its standardized 3" NPT connection and aluminum construction improve installation speed and reliability, leading to lower total cost of ownership, fewer downtime events, and better predictability for ongoing production line wiring projects.