MK15 B2 OE: Reed sensor, 180 V, 0.5 A, normally closed at reichelt elektronik
GATERON Magnetic Hall Sensor Keyboard Switches, KS-20 Orange Linear Pre-lubed 38gf Magnetic Key Switches, Free Setting of Pre-Travel SMD Compatible, Fit for Magnetic Mechanical Keyboards(35PCS): Amazon.com: Industrial & Scientific
Plastic sealed dry reed switch China Manufacturers - GBEELEE
59170-1-T-00-D Littelfuse Inc. | Switches | DigiKey