Southwire Components 2-1/2 in. EMT Compression Type Steel Connector

Southwire Components 2-1/2 in. EMT Compression Type Steel Connector

The Southwire Components Model 657S is a compression-type connector for 2-1/2-inch electrical metallic tubing (EMT) conduit. The zinc-plated steel body provides corrosion resistance, and the compression design delivers a secure, vibration-resistant bond between the conduit and the electrical enclosure or box without set screws.

Key Features

• 2-1/2 inch EMT trade size
• Compression-type connection for secure, vibration-resistant terminations
• Steel construction with zinc plated finish for corrosion protection
• No set screws — compression design for clean, dependable connections
• Meets UL 514B (UL File Number E148716)
• CSA Certified
• NEMA/ANSI FB-1 compliant
• US Federal Specification A-A-50553
• Military Specifications: W-F-406D, W-F-406E, W-F-408D, W-S-610D
• Manufactured by Southwire Components

Applications

• Connecting 2-1/2-inch EMT conduit to electrical panels, boxes, and enclosures
• Large commercial and industrial EMT conduit feeder systems
• Installations requiring UL-listed, CSA-certified large-diameter conduit fittings
• High-vibration environments where compression connections outperform set-screw types

Product Information

• Manufacturer: Southwire Components
• Model: 657S
• Product Type: EMT Compression Connector
• Trade Size: 2-1/2 in.
• Material: Steel
• Finish: Zinc Plated
• Standards: UL 514B, CSA, NEMA/ANSI FB-1, Federal Spec A-A-50553, Military Specs W-F-406D/E, W-F-408D, W-S-610D