Burndy K3A31U4N Al Universal Terminal, 3-Conductor, 4-Hole

Product Description

The BURNDY K3A31U4N is an aluminum universal terminal with 3 conductors and 4 holes. Constructed from high-strength aluminum alloy with electro tin plating for low contact resistance. This parallel set-screw connector is designed for aluminum and copper conductors. It accommodates conductor sizes from 6 AWG to 350 kcmil and features a 1/2" stud.

• Dual rated lugs
• Constructed from high strength aluminum alloy
• Electro tin plating proving low contact resistance

Product Highlights

Aluminum universal terminal with 3 conductors, 4 holes, and a 1/2" stud. Ideal for connecting aluminum and copper conductors.

Product Information

Standard Information

• Brand: BURNDY
• Manufacturer Part Number: K3A31U4N
• Country of Origin: US - United States

Technical Specifications

• Application: For Aluminum and Copper Conductors
• Catalog Number: K3A31U4N
• Connector Type: Parallel Set-Screw
• EU RoHS Indicator: No
• Installation Torque Recommended in-lb: 275 LBS/in
• Material: Aluminum
• Material - Hardware: Aluminum
• Physical Attribute - Number of Holes: 4
• Physical Attribute - Number of Screws: 3
• Physical Attribute - Screw Type: Slot
• Plated: Y
• Plating Type: Tin plated
• Sub Brand: UNIVERSAL TERM
• Temperature Rating: 194 deg F
• Type: Bolted Lugs & Terminals
• Dimension - Bolt Hole Size inch: 0.57 in
• Dimension - Bolt Size fraction: 1/2
• Dimension - D inch: 3.00 in
• Dimension - F Width Center to Center inch: 1.75 in
• Dimension - Height inch: 1.38 in
• Dimension - Hole Size fraction: 9/16
• Dimension - Hole Size inch: 0.56 in
• Dimension - Hole Size mm: 14 mm
• Dimension - L Length Overall mm: 114.3 mm
• Dimension - Length Overall inch: 4.5 in
• Dimension - N inch: 0.63 in
• Dimension - Pad Width inch: 3.52 in
• Dimension - Stud Size inch: 1/2 in
• Dimension - Width inch: 3.52 in
• Conductor - AL Str Size: 6 AWG;4 AWG;3 AWG;2 AWG;1 AWG;1/0 AWG;2/0 AWG;3/0 AWG;4/0 AWG;250 kcmil;266 kcmil;300 kcmil;336 kcmil;350 kcmil
• Conductor - AL Str Size Range: 6 Str.-350 Kcmil
• Conductor - Copper Str Size: 6 AWG;5 AWG;4 AWG;3 AWG;2 AWG;1 AWG;1/0 ;2/0 AWG;3/0 AWG;4/0 AWG;250 kcmil;300 kcmil;350 kcmil
• Conductor - Copper Str Size Range: 6 Str.-350 Kcmil
• Conductor Size: 6 AWG-350 KCMIL
• Conductor Type: AL C Str-Size CU C Str-Size
• Number of Conductors: 3
• Certification - CSA Approved: Yes
• Certification - cULus: No
• Certification - ETL: No
• Certification - UL Listed Direct Burial: No
• Certification - UL Recognized: No
• Industry Standard(s): UL 486A-486B
• Standards - Industry Standards Met: UL 486A-486B
• UL Listed: Yes
• Standard: UL 486A-486B
• Use With: Aluminum and Copper Conductors
• Torque: 275 in.-lb.
• Lug Wire Size: 6 AWG-350 kcmil
• Series: K3A-U
• Tongue Type: Straight
• Finish: TiN Coated
• Stud Size: 1/2 in