Door Sensors & Window Sensors (37 items)

For opening surveillance of windows and doors, complete for bolting or drilling. Contents: 1 magnet, 1 reed contact with 4.0 m connection cable LIYY 4 x 0.14 mm², 2 housings, 2 spacer plates, 2 fla...

Mounting Type = Surface Mount

Mounting Type = Surface Mount

For mounting on all kinds of materials, including steel - Simple installation - High switching range - Robust aluminium housing The robust aluminium opening detector for steel doors is a magnetic c...

High security – cannot be removed illegally - Simple activating and deactivating - For surface fitting - Tamper-monitored Use the surface mount key-switch to arm and disarm your alarm system. Simpl...

Activation Type = Magnetic Switch Wireless = Yes Colour = White Operating Gap Maximum = 15mm

Product DetailsIntroducing the Wireless Alert DC a door contact monitor with email alert. The device monitors whether a door is open or closed using a two-part door contact sensor. Set up email ale...

RS PRO 19

RS PRO Door Switch Surface Mount 500 mA, 100 V DC, 125 V ACThis heavy-duty door switch is part of our trusted RS PRO series – that means you can be confident of quality and consistency. Its an indu...

RS PRO Door and Window Switch 1 A, 400V ACFrom our tried-and-tested RS PRO range comes this high-quality door and window switch. A reed proximity switch, its intended for use as a security device t...

RS PRO Door and Window Switch 500 (dc) mA, 50V DCFor discreet protection of property, choose this door and window switch. It creates a signal thats broken whenever a door or window is opened, trigg...

BS 4737 Part 3. These are not supplied with fixing screws - Can be used with 3/4" Length Screw ; 529-062 529-062. RS Pro Flush Mount Proximity Switch and Magnet Set. Cable type or terminal type flu...

RS Pro Grade 3 Flush Alarm Contact. Normally open contacts Reed based magnetic interference detection Maximum switching voltage 30 V DC Maximum switching current 0.5 A Supervised end of line zone p...

RS Pro Grade 2 Flush Alarm Contact. Cable type flush mount switch fitted with a 300 mm long cable. Proximity switches primarily designed for discrete protection of doors and windows. The switches a...