5Sets MC-31B Magnetic Reed Switch Wired Surface Mount Normally Open Closed NC NO Door Contact Sensor Alarm Magnetic Door Switch Black

Switch Type: NO/NC, circuit is connected when magnet is near the switch. The reed switch is an electrical switch operated by an applied magnetic field.Designed for use with alarm systems.Great for use in family and factory window, door. etc. Screw Mounted for easily install.More than 0.5A, the spring will not be able to switch because the current is too large,Add a 12V relay to let the door sensor control the relay. The relay controls his switch just fine

• Product name:Surface Mount Magnetic Reed Switch.Type:MC-31B.Color:Black.Material: fireproof ABS material.Product size: 55X12.5X11.5mm / 2.17" x 0.45" x 0.45"(L*W*H).Maximum Switch Voltage: 100V DC.Maximum switch current: 0.5A.Maximum switch power: 10W.
• Contact Type: NC/NO/COM: NC means Normally Closed.When the magnet together, the circuit is conductive; when the magnet separate, the circuit is not conductive.NO means normally open: when the magnets are separated, the circuit is turned on ; when the magnets are together, the circuit is not turned on. Actuation Distance: 10-20mm.
• Reed switch can be used in home security and burglar alarm system. It is an ideal choice for wooden doors and windows in homes and factories.
• Magnetic Reed Switch can not connect directly to power, It needs to work with the alarm system. It provides a switching signal.
• Package Content:5 sets Magnetic Reed Switch+8pcs Screws