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} |
82 | DF | .~.~.~ With operating range calibration or adjustment means {2} |
83 | .~.~.~.~ Comprising electric shunt or short-circuiting means |