337 / | HD | ELECTRICITY: ELECTROTHERMALLY OR THERMALLY ACTUATED SWITCHES |
14 | DF | ELECTROTHERMALLY ACTUATED SWITCHES {9} |
142 | DF | .~ Fusible element actuated {15} |
273 | DF | .~.~ With arc suppression or extinguishing means {6} |
276 | .~.~.~ Dielectric filler material or compound (e.g., quartz) {2} | |
277 | DF | .~.~.~.~> Liquid (e.g., hydrocarbon) |
278 | DF | .~.~.~.~> Dielectric gap or barrier means (e.g., wedging dielectric) |