These are the doorcontact sensors that are in use with any and all commercial...These are the door contact sensors that are in use with any and all commercial or residential card access systems as well as all security burglar alarm system. The door position switches operate with a built an internal magnetic reed switch that closes...more
Description This item are 5pcs plastic reed which are operated by an applied m...Description This item are 5pcs plastic reed which are operated by an applied magnetic field. It is designed for use with alarm systems great for use in family and factory window door. etc. Easy to install and use. Features -Color: Black -Material:...more
Features: 1.Easy to use and easy to install 2.Stable performance and long serv...Features: 1.Easy to use and easy to install 2.Stable performance and long service life 3.Normally open and normally closed as one convenient and flexible 4.It is not easily broken and has characteristics such as compression resistance impact resistance...more
About this item ➤➤Product Name: MagneticDoor Swith; Maximum Switch Voltag...About this item ➤➤Product Name: Magnetic Door Swith; Maximum Switch Voltage: 100V;Contact Capacity: 500(mA) (Maximum Switch Current);Rated Power: 10W(Maximum Switch Power); Contact Type: NC/NO/COM Trigger Range: 5-20mm; ➤➤Great for alarm Relay...more
Description: 1.NO means Normally Open:when the magnet separate the circuit is ...Description: 1.NO means Normally Open:when the magnet separate the circuit is not conductive( light on );When the magnet together the circuit is conductive ( light off ).When make order pls check carefully! 2.These are the door contact sensors that are...more
NO NC type designed for use with alarm systems. Great for use in family and fa...NO NC type designed for use with alarm systems. Great for use in family and factory window door. etc. Switch Type: NC(normal close type) the circuit is closed normally and that if a magnet comes near it the circuit opens. Switch Type: NO(normal open...more
Description: 1.NC means Normally Closed:When the magnet together the circuit i...Description: 1.NC means Normally Closed:When the magnet together the circuit is conductive( light on ); when the magnet separate the circuit is not conductive ( light off ). When make order pls check carefully! 2.These are the door contact sensors that...more
Description: 1.NO means Normally Open:when the magnet separate the circuit is ...Description: 1.NO means Normally Open:when the magnet separate the circuit is not conductive( light on );When the magnet together the circuit is conductive ( light off ).When make order pls check carefully! 2.These are the door contact sensors that are...more
Description: 1.NC means Normally Closed:When the magnet together the circuit i...Description: 1.NC means Normally Closed:When the magnet together the circuit is conductive( light on ); when the magnet separate the circuit is not conductive ( light off ). When make order pls check carefully! 2.These are the door contact sensors that...more
100% Brand new and high quality High quality contacts UL wire leads Mounting M...100% Brand new and high quality High quality contacts UL wire leads Mounting Method: Flush mount type Easy to install For the DIY kind of people Contact Capacity: Maximum switch current: 0.5A Voltage: 100V Rated Power: 10W Actuation Distance: 15-25mm...more
Description: 1.NC means Normally Closed:When the magnet together the circuit i...Description: 1.NC means Normally Closed:When the magnet together the circuit is conductive( light on ); when the magnet separate the circuit is not conductive ( light off ). When make order pls check carefully! 2.These are the door contact sensors that...more
Description This item are 5pcs plastic reed switches which are operated by an ...Description This item are 5pcs plastic reed switches which are operated by an applied magnetic field. It is designed for use with alarm systems great for use in family and factory window door. etc. Easy to install and use. Features -Color: Black...more
Description: Easy to install and easy to use. Widely used in security window d...Description: Easy to install and easy to use. Widely used in security window door carbinet contact. Recessed mounting white ABS fireproof plastic shell which has a long machanical life.more