GRAINGER Wire Disconnect: Blue, Nylon, Partial Coverage
The GRAINGER Wire Disconnect (MPN 31A503) is a partially insulated piggyback disconnect with a blue nylon housing. It features a 0.25 in x 0.032 in tab and is designed as a Socket/Tab connector.
SKU 3G-OTH-129519
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Product Description
The GRAINGER Wire Disconnect (MPN 31A503) is a partially insulated piggyback disconnect with a blue nylon housing. It features a 0.25 in x 0.032 in tab and is designed as a Socket/Tab connector.
Frequently Asked Questions
What is the GRAINGER Wire Disconnect 31A503 used for?
The GRAINGER Wire Disconnect 31A503 is a partially insulated piggyback disconnect used to join or terminate wires in electrical systems. Its socket/tab design allows quick connect and disconnect in control panels, appliances, and industrial equipment where reliable, removable connections are needed.
What are the specifications of the GRAINGER 31A503 disconnect?
The GRAINGER 31A503 is a partially insulated piggyback disconnect with a blue nylon housing. It has a 0.25 in x 0.032 in tab and is configured as a Socket/Tab connector. The manufacturer part number is 31A503. It is designed for wire termination in electrical circuits.
Where to buy the GRAINGER 31A503 wire disconnect worldwide?
You can source the GRAINGER 31A503 wire disconnect through 3G Electric, a global industrial equipment distributor. We handle full logistics, customs clearance, and delivery to worldwide destinations. Contact us for availability and lead time on this partially insulated piggyback disconnect.
How to install a partially insulated piggyback disconnect like the GRAINGER 31A503?
To install the GRAINGER 31A503, strip the wire to the recommended length, insert it into the socket, and crimp securely using a proper crimping tool. Ensure the tab is fully seated in the mating receptacle. The blue nylon housing provides partial insulation; verify no bare conductor is exposed after installation.
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Common applications for GRAINGERGRAINGER Products
3G Electric supplies GRAINGER partially insulated piggyback disconnects. We supply genuine products with in-stock availability on common SKUs, technical documentation, commissioning support, and warranty service — worldwide.













