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kchriste said:You can get both "normally open" type reed switches and the "normally closed" type. Most reed switches for security systems are the "normally closed" type; the switch is ON when the door is closed. You want the opposite which is harder to find but they do exist.
That link did not work. But I have the JayCar paper catalogue.hvgap said:**broken link removed** this seems to come with both, would this work for my application?