C&K Components DS door switch has an extensive electrical life of 100,000 cycles making it ideal for multi-function security systems, gaming equipment, commercial appliances, and HVAC applications requiring frequent manual circuit interruptions. The DS door switch can be used to sense the position of a cabinet door – open or closed, the removal of a cash box. The switch will break power when door is opened, and the push-pull feature can be used to reconnect power for trouble shooting, maintenance, or repair.