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} |
41 | DF | .~.~.~ Multiple contact or plural circuit control means {3} |
42 | .~.~.~.~ Plural switches {1} | |
43 | DF | .~.~.~.~.~> With interlocking means |