337 / | HD | ELECTRICITY: ELECTROTHERMALLY OR THERMALLY ACTUATED SWITCHES |
14 | DF | ELECTROTHERMALLY ACTUATED SWITCHES {9} |
36 | DF | .~ With bimetallic elements (i.e., motion takes place in a plane at right angles to its major axis) {10} |
37 | DF | .~.~ With manual or other mechanical contact controlling means {12} |
52 | DF | .~.~.~ With spring or other energy storage device {4} |
62 | DF | .~.~.~.~ Reciprocating or slidable motion device {4} |
66 | .~.~.~.~.~ With push-button actuating means |