POLARIS Compression Lug: 1/2 in Stud Size, 500 kcmil – 250 kcmil For Wire Sizes

The POLARIS AL500-48 is a one-hole compression lug used to terminate stranded aluminum wire in high-capacity electrical connections. It is commonly applied in industrial power distribution, switchgear, and heavy equipment where a reliable, low-resistance termination is required for wire sizes from 500 kcmil down to 250 kcmil.

The POLARIS AL500-48 is a long-type, one-hole compression lug made of aluminum. It accepts stranded wire sizes from 500 kcmil to 250 kcmil and fits a 1/2 in stud. The manufacturer part number is AL500-48. This lug is designed for high-capacity electrical terminations and is not intended for use with copper wire.

3G Electric supplies the POLARIS AL500-48 compression lug to customers worldwide. As a global industrial sourcing partner, we handle full logistics, customs clearance, and delivery to your site. Contact us for pricing and lead time on this aluminum lug for high-capacity stranded wire terminations.

To install the POLARIS AL500-48, strip the stranded aluminum wire to the recommended length, insert it fully into the lug barrel, and use a crimping tool with the correct die for 500–250 kcmil aluminum connectors. Apply an oxide-inhibiting compound before crimping. Always follow the manufacturer's torque and crimp specifications for a secure connection.