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} |
38 | .~.~.~ Plural elements combined with single mechanical means {2} | |
39 | DF | .~.~.~.~> Independently operative bimetallic elements |
40 | DF | .~.~.~.~> Individually responsive to diverse conditions or diverse characteristics |