Door Interlock Disconnect Switch

Keys actuate from both the top and the side of the switch.

Door interlock disconnect switch.

Cut the shaft to fit the enclosure. Vario loadbreak switches act as enclosure disconnects when short circuit protection is provided upstream of the switch if short circuit protection is not provided upstream use class 9421 type n class 9422 type t and d10 disconnect switches. When the door opens the key is removed from the switch and the machine shuts down. Use a padlock not included to lock switches in the off position.

If needed the latch is part wd13x10003 the interlock switches are part wd21x10261 you would need two switches. The ac series switch can provide an electrical signal to an annunciator circuit such as a light or horn indicating the door or panel is. Interlocked through the ac series switch is opened the action of the ac series switch disconnects the electrical power. Mount the switch to the door frame and mount the key to the door so that the key is inserted into the switch when the door is closed.

Circuit breakers may offer protection against sudden power surges but safety switches are the only way to ensure that a lab technician can have total control over the power in an emergency. They re often used with machine guards. Find the safety switch for your place of business to stay efficient and accident free. Laboratories also need a way to shut down power in an emergency.

Also known as interlock switches these ensure the safety of personnel by automatically shutting off power to machinery when an access door opens.