Sub-miniature Microswitch SPCO- single pole change over
Three solder terminals: 4.5mm tags with holes
1-Common, 2-Normally Closed, and 3-Normally Open
1 being common, 1 and 2 normally closed, 1 and 3 normally open
Pressing the button changes the connections over from 1 and 2 to 1 and 3
Mechanical 10,000,000 operations
Electrical 100,000 operations rated load
Actuator differential 0.8mm, operating force 50g, release force 6g.