NSI's NO/NC SPDT Magnetic Reed Switch is a Single-Pole, Double-Throw switch. It draws no power while in the closed position, but when the magnet is applied, the common reed swings from the normally closed state to the normally open contact. When the magnet is removed, the reed contact moves back to NSI's NO/NC SPDT Magnetic Reed Switch is a Single-Pole, Double-Throw switch. It draws no power while in the closed position, but when the magnet is applied, the common reed swings from the normally closed state to the normally open contact. When the magnet is removed, the reed contact moves back to SKU: 79200MS Loading... Availability Loading... Selected quantity should be in between 1 and 99999. - Enter Quantity + Add To Cart