Thomas & Betts Star Teck ST250-478SS Stainless Steel Cable Fitting Hub 2-1/2 Npt

Description:

The Thomas & Betts Star Teck® ST250-478SS Stainless Steel Cable Fitting Hub is used to provide a secure, watertight termination for TECK, ACWU, and armored metal-clad cables in hazardous and industrial environments. Commonly installed in petrochemical plants, mining operations, power generation facilities, manufacturing plants, and industrial control systems where corrosion-resistant cable sealing and grounding are required. Maintenance electricians, contractors, and system integrators use this cable fitting for new installations, equipment maintenance, retrofits, and replacement of existing cable glands.

Applications:

The Thomas & Betts Star Teck® ST250-478SS is part of the ST Series and is manufactured from 316 stainless steel for superior corrosion resistance in harsh indoor and outdoor environments. It features a built-in O-ring for a 360-degree watertight seal, sharp bonding teeth for excellent grounding continuity, a tapered neoprene bushing to prevent water ingress, and a low-profile gland nut for installation in confined spaces. The fitting is designed for TECK, ACWU, and metal-clad cables used in hazardous locations, industrial facilities, marine environments, and heavy-duty electrical installations. 

Technical Specifications:

• Brand: Thomas & Betts (ABB) – Star Teck®
• Part Number: ST250-478SS
• Product Type: Stainless Steel Cable Fitting Hub
• Series: ST Series (Star Teck®)
• Hub Size: 2-1/2 in. NPT
• Cable Type: TECK, ACWU, MC (Metal-Clad) Cable
• Cable Jacket Range: 2.580–2.840 in.
• Cable Armor Range: 2.440–2.750 in.
• Throat Diameter: 2.455 in.
• Body Style: Straight, Threaded Male
• Material: 316 Stainless Steel
• Finish: Natural Stainless Steel
• Overall Length: 4.70 in.
• Overall Diameter: 4.75 in.
• Sealing Method: Built-in O-Ring and Tapered Neoprene Bushing
• Protection: Watertight Construction (NEMA Type 4)
• Operating Temperature: -40°C to 90°C (-40°F to 194°F)
• Applications: Hazardous Locations, Industrial Plants, Marine, Mining, Petrochemical, Power Distribution
• Standards: UL E38947, CSA 23086, CSA 4484, RoHS 3 Compliant, TSCA Section 6(h) Compliant

Common Replacements:

• Thomas & Betts ST250-477SS
• Thomas & Betts ST250-476SS
• Thomas & Betts ST200-476SS