vintage Square D B8.20 overload relay thermal units motor control parts lot of 4

Lot of 4 Square D model B8.20 motor overload thermal units. These parts appear used and are untested from the estate of an industrial maintenance worker who collected them and probably salvaged many of them from different installations in the course of his work.

sale price: $38.00
Item No. nt420104
please email us for availability