Switch Reed Cased Scew Down Terminals + Magnet

50mm x 12mm x 14mm

Product Code: ELA5072

$6.50

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(Previously SW0100) Switch Reed Cased Scew Down Terminals + Magnet 50mm x 12mm x 14mm

These are used to secure an alarm circuit on a door or window. Sold as a pair, one has a magnet inside, the other a reed switch. They have powerful magnets, with self adhesive or screw mount. Screw terminating. 
Size same as LA-5070. Reed Switch contacts: closed when both units are together (ie current flows), and open when apart.
Normally CLOSED (NC) per pair.