Wen 2901 Bench Grinder Parts Sears Partsdirect
Mar 05, 2021 The trip circuit interrupts A and B (as shown by the dotted blue line on the left) using a relay, transistor, silicon controlled rectifier , vacuum tube, or similar switch. Artwork from US Patent 3,213,321 Miniature differential circuit breaker by Charles Dalziel,.6 x 18 Precision Manual Surface Grinder. JPSG-618M1. View Schematic. and Parts List.