These are normally closed reed switches (on/no magnetic field, off/magnetic field) that work well with small magnets. I have found that the magnet needs to be positioned about 1/2 inch below or above the reed switch to permanently activate the switch. They are solidly built and sensitive. Ideal.
Universal Rotary Cam Selector Latching Switches - VictorsHome Changeover Switch LW28-32 With 3 Positions, 12 Terminals For 690V, 32A Capacity
9 Review
TWTADE/AC 24V 10A Coil Electromagnetic Power Relay 8 Pins 2DPT 2NO+2NC With Indicator Light And Socket Base -YJ2N-LY
9 Review
Vacuum cleaner KARCHER VC 3, yellow
176 Review
5Pcs 19Mm 12V 24V Waterproof Latching Push Button Switch With Wiring Harness And LED Indicator Light, Pre-Wired SPDT Self-Locking 4 Pin Marine Metal Switch For Boats Cars Trucks (Blue)
22 Review
π Enhance Your Electrical Work with Klein Tools 69411 Accessory Adapters
7 Review
π Bussmann GMA 5A Acting Cartridge Listed: Reliable and Efficient Cartridge Fuse for Your Automotive Needs
7 Review
π Bussmann MDL 2 Glass Delay Slow Blow
8 Review
Square HOMT2020 Circuit Breaker Homeline
7 Review