| 200 / | HD | ELECTRICITY: CIRCUIT MAKERS AND BREAKERS |
| 502 | DF | SOLID CONTACT {15} |
| 520 | DF | .~ Push button operated {8} |
| 523 | ![]() | .~.~ Including alternate action mechanism (e.g., push-push) {3} |
| 524 | DF | .~.~.~> With heart-shape cam |
| 525 | DF | .~.~.~> With w-shape rocking element |
| 526 | DF | .~.~.~> With rotating member (e.g., ball point pen type) {2} |