| 337 / | HD | ELECTRICITY: ELECTROTHERMALLY OR THERMALLY ACTUATED SWITCHES |
| 298 | DF | THERMALLY ACTUATED SWITCHES {7} |
| 382 | DF | .~ With longitudinally expansible solid element {7} |
| 384 | ![]() | .~.~ With manual or other mechanical contact control means {4} |
| 385 | DF | .~.~.~> Latching or tripping means |
| 386 | DF | .~.~.~> Comprising mechanical advantage or force multiplying means |
| 387 | DF | .~.~.~> Comprising frictional clutch or lost motion means |
| 388 | DF | .~.~.~> With spring or other energy storage means {2} |