RS PRO Security Alarm Door & Window Switch Surface Mount 500mA, 50V dc

Magnetic proximity switches are very tolerant to misalignment and are particularly suited to environments contaminated by dust, dirt, liquid and
where non-contact switching or hygiene is a consideration.
This is a general purpose industrial quality limit, position, security, switch which is fully potted and housed in a rugged polycarbonate moulding. The 3 metre integral cable is protected with an IP67 strain relief cable gland