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} |