Form A = normally open contact (N. O.)
Form B = normally closed contact (N.C.)
Form C = change over contact (S.P.D.T.)
Form E = Bistable / Latching
AT = Ampere Turns; Parameter that describes magnetic sensitivity.
Reed Switch Resources
Basic Reed Switch
General function and description of Reed Switches.
Basis electrical characteristics of Reed Switches.
Proper switch handling techniques and load precautions.
Life Test Data
View life test data for Reed Switches.
Magnetic Field Strength
Ampere Turns (AT) vs. milliTesla (mT).
See how reed switches operate using different magnet positions and motion.
Reed Switch Applications
Reed Switch used in Reed Relays.
Switching Load Precautions
Load switching and contact protection.
View a comparision between Reed Switches and micro switches.