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BURNDY QDA31 Straight Mechanical Lug - Straight Mechanical Lugs
BURNDYStraight Mechanical Lugs

BURNDY QDA31 Straight Mechanical Lug

The BURNDY QDA31 is a straight mechanical lug designed for copper wire, accommodating stranded sizes from 250 kcmil to 350 kcmil. It features an unplated copper body and a 5/8 in stud size, making it suitable for…

SKU 3G-OTH-16391

Also listed as: QDA 31 · QDA-31

Brand
BURNDY
Item
QDA31 Straight Mechanical Lug
Category
Straight Mechanical Lugs
Available to Order
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Local availability & support — Singapore

Local office
20 Woodlands Link #09-05, Singapore 738733
Phone
+65 8878 8355
Delivery
Same-day or next-business-day delivery within Singapore for in-stock items; 7–14 days for factory-order parts from Europe.
Payment
Invoicing in SGD. PayNow, bank transfer, and corporate PO accepted.
Ships to
Singapore

Technical Specifications

BURNDY
Manufacturer Part Number
QDA31
Type
Unplated Copper Lug Body
Stud Size
5/8 in
Lug Material
Unplated Copper
For Wire Material
Copper
Maximum Stranded Copper Wire Size
350 kcmil
Minimum Stranded Copper Wire Size
250 kcmil

Technical Documents

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BURNDY Products
3G Electric (S) Pte. Ltd. — Singapore

Product Description

The BURNDY QDA31 is a straight mechanical lug designed for copper wire, accommodating stranded sizes from 250 kcmil to 350 kcmil. It features an unplated copper body and a 5/8 in stud size, making it suitable for industrial electrical connections.

Frequently Asked Questions

What is the BURNDY QDA31 wire connector used for?

The BURNDY QDA31 is a straight mechanical lug used for terminating copper wire in industrial electrical connections. It accommodates stranded copper wire sizes from 250 kcmil to 350 kcmil and features a 5/8 in stud size, making it suitable for panel boards, switchgear, and heavy-duty power distribution.

What are the specifications of the BURNDY QDA31?

The BURNDY QDA31 is a straight mechanical lug with an unplated copper body. It accepts stranded copper wire from 250 kcmil to 350 kcmil and has a 5/8 in stud size. The manufacturer part number is QDA31. It is designed for copper wire only and is not rated for aluminum conductors.

Where to buy the BURNDY QDA31 worldwide?

3G Electric supplies the BURNDY QDA31 straight mechanical lug to customers worldwide. We handle full logistics, customs clearance, and delivery to your site. As a global industrial equipment distributor established in 1990, we source and deliver this connector for industrial electrical applications.

How to install the BURNDY QDA31 mechanical lug?

To install the BURNDY QDA31, strip the copper wire to the recommended length, insert it fully into the lug barrel, and tighten the set screw to the torque specified by BURNDY. Ensure the stud hole aligns with the bus bar or terminal. Use a calibrated torque wrench for proper connection and avoid over-tightening.

Used in

Common applications for BURNDY
Power distribution panelboards — BURNDY KA31U mechanical panelboard lugs for 6 AWG to 350 kcmil copper conductors
Grounding electrode systems — BURNDY C5 bronze pipe ground clamps for bonding water pipes to grounding conductors
Transformer connections — BURNDY QA1CB straight mechanical lugs for 4 AWG to 1 AWG copper wire terminations
Industrial control cabinets — BURNDY KLU25 offset-tongue lugs for 14 AWG to 10 AWG wire connections on #6 studs
Multitap splicing in junction boxes — BURNDY BIBD60010 aluminum multitap connector for 4 AWG to 600 kcmil conductors
Crimping copper lugs in switchgear — BURNDY UO replacement dies with Y35 head for 6 to 2 AWG copper lugs

BURNDY Products

3G Electric supplies BURNDY straight mechanical lugs. We supply genuine products with in-stock availability on common SKUs, technical documentation, commissioning support, and warranty service — worldwide.

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