GRAINGER Wire Disconnect: Bare, 0.25 in x 0.032 in Tab
The GRAINGER Wire Disconnect (MPN 31A509) is a non-insulated piggyback disconnect with a bare, 0.25 in x 0.032 in tab and a butted barrel and seam. It is a Socket/Tab type connector manufactured by GRAINGER.
SKU 3G-OTH-127787
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Product Description
The GRAINGER Wire Disconnect (MPN 31A509) is a non-insulated piggyback disconnect with a bare, 0.25 in x 0.032 in tab and a butted barrel and seam. It is a Socket/Tab type connector manufactured by GRAINGER.
Frequently Asked Questions
What is the GRAINGER Wire Disconnect 31A509 used for?
The GRAINGER Wire Disconnect 31A509 is a non-insulated piggyback disconnect used to quickly join or disconnect wires in electrical panels, control cabinets, and industrial machinery. Its bare 0.25 in x 0.032 in tab and butted barrel design suit applications requiring reliable, temporary connections without insulation.
What are the specifications of the GRAINGER 31A509 disconnect?
The GRAINGER 31A509 is a non-insulated piggyback disconnect with a bare 0.25 in x 0.032 in tab. It features a butted barrel and seam and is classified as a Socket/Tab type connector. The manufacturer part number is 31A509, and it is produced by GRAINGER.
Where to buy the GRAINGER 31A509 wire disconnect worldwide?
You can source the GRAINGER 31A509 wire disconnect worldwide through 3G Electric, a global industrial equipment distributor. We handle full logistics, customs clearance, and delivery to your location. Contact us for availability and lead time; we supply this non-insulated piggyback disconnect to customers globally.
How to install a non-insulated piggyback disconnect like the GRAINGER 31A509?
To install the GRAINGER 31A509, strip the wire to the barrel length, insert it into the butted barrel, and crimp firmly with a matching tool. Ensure the 0.25 in tab mates securely with the female terminal. For best results, follow standard electrical crimping practices and verify a solid mechanical connection.
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Common applications for GRAINGERGRAINGER Products
3G Electric supplies GRAINGER non-insulated piggyback disconnects. We supply genuine products with in-stock availability on common SKUs, technical documentation, commissioning support, and warranty service — worldwide.









