Burndy KA28 Copper Set-Screw Terminal Lug, 1-Hole, 3/8" Stud

Burndy KA28 Copper Set-Screw Terminal Lug, 1-Hole, 3/8" Stud

The Burndy KA28 is a copper set-screw terminal lug, part of Burndy's KA-Lug™ family of Type KA terminals, designed for secure, code-compliant conductor terminations in commercial and industrial electrical systems. Built from solid copper with an unplated finish, this 1-hole terminal accepts a 3/8" stud and accommodates a 1-4/0 AWG (Str) conductor range, making it a reliable choice wherever stranded copper conductors need to be terminated to a bus bar, ground bar, or equipment pad. The single set-screw design delivers a fast, dependable mechanical connection without special crimping tools, and the compact 1-hole pad keeps the footprint small for tight panel and enclosure layouts.

Key Features

• Stud Size: 3/8" stud fits standard 1-hole mounting pads on bus bars and ground bars.
• Solid Copper Construction: Copper body provides excellent conductivity and long-term durability for demanding electrical connections.
• Set-Screw Connection: Single set screw secures the conductor mechanically, allowing quick, tool-friendly installation without crimping equipment.
• Conductor Range: Accepts 1-4/0 AWG (Str) stranded copper conductors, covering a wide range of wire sizes in one terminal.
• 1-Hole Mounting: Compact 1-hole configuration simplifies mounting to lugs, bus bars, and grounding points.
• KA-Lug Design: Manufactured as part of Burndy's Type KA terminal line, engineered for dependable mechanical-lug performance.
• Unplated Finish: Bare copper finish suited for indoor connections where plating is not required.

Technical Specifications

• Conductor Range: 4/0-AWG
• Plating: Unplated
• Stud Size: 3/8"
• Number of Holes: 1
• Screws: 1

Typical Applications

The Burndy KA28 copper set-screw lug is commonly specified for:

• Copper Conductor Terminations
• Grounding and Bonding Connections
• Electrical Panel and Switchgear Wiring
• Industrial and Commercial Electrical Installations
• Bus Bar and Ground Bar Connections

Why Burndy?

Burndy is a trusted name in electrical connectors, and the KA28 KA-Lug™ reflects that reputation with solid copper construction and a straightforward set-screw design built for dependable field terminations. Electricians and contractors rely on Burndy's Type KA terminals for consistent, code-compliant connections that hold up under real-world job-site conditions. For a reliable 1-hole copper lug covering the 1-4/0 AWG stranded conductor range, the KA28 delivers a secure mechanical connection every time without the need for specialized crimping equipment. Shop Burndy terminal lugs and electrical connectors at ZenSupply for dependable, professional-grade wiring solutions.