What is a magnetic switch. Why it is used for. | ELTRA TRADE
Reed Switch - COM-08642 - SparkFun Electronics
1000-64V BMS: 3 1/2″ Surface Mount DPDT Balanced Magnetic Switch - Flair Electronics
Jeti Magnetic Switch Universal 4-Port
TANE Wired Side Lead Surface Mount Magnetic Contact BROWN Color Alarm Window Security Magnetic Door Switch Magnetic Contact Switch Reed Switch Normally Open + UL Listed FM-102-BR - Walmart.com