337 / | HD | ELECTRICITY: ELECTROTHERMALLY OR THERMALLY ACTUATED SWITCHES |
298 | DF | THERMALLY ACTUATED SWITCHES {7} |
333 | DF | .~ With bimetallic element {9} |
362 | DF | .~.~ Bimetallic element unitary with or directly actuates contacts {5} |
365 | DF | .~.~.~ Snap-action {3} |
367 | .~.~.~.~ With reset means |