ROBROY PRSTG3 1" Knockout Hub with Grounding – Electrical Conduit Fitting

The ROBROY PRSTG3 is a 1-inch STG style knockout hub designed to terminate conduit runs through the walls of electrical enclosures. Manufactured by Robroy Industries, this knockout hub is suitable for use by electrical distributors and switchgear suppliers requiring reliable conduit termination with grounding capabilities. It features durable steel construction with a protective polyvinyl chloride coating, ensuring corrosion resistance and longevity in industrial lighting solutions and wire and cable installations.

Specifications

• Material: Steel
• Finish: Polyvinyl Chloride Coating
• Color: Red; Grey
• Outside Diameter: 2.5 in
• Product Weight: 0.4 lbs
• Manufacturer Part #: PRSTG3
• Nominal Pipe Size: 1 inch
• Dimensions (in): A = 1.66, B = 2.50, C = 1.03
• Maximum Wall Thickness: 0.25 in
• UL Certified: UL 514B (E200413)
• Compliance: NEC/CEC Class I Division 2, Class II Division 1 & 2, Class III Division 1 & 2

Features

• 40 mil gray PVC exterior coating for corrosion protection
• Sealing sleeves on conduit side of hub for secure conduit termination
• Molded PVC gasket seals flush with enclosure wall to prevent ingress
• O-ring gasket provides an additional seal for enhanced protection
• Available with grounding lug for electrical safety and bonding
• Listed for use in NEMA enclosures types 2, 3, 3R, 4, 4X, and 12

Downloads & Links

• Spec Sheet
• Spec Sheet