337 / | HD | ELECTRICITY: ELECTROTHERMALLY OR THERMALLY ACTUATED SWITCHES |
298 | DF | THERMALLY ACTUATED SWITCHES {7} |
333 | DF | .~ With bimetallic element {9} |
334 | DF | .~.~ With manual or other mechanical contact control means {10} |
356 | DF | .~.~.~ Latch or latch-release means {3} |
357 | .~.~.~.~ Adjustable |