Opening Detector for Steel Doors
Art. no. MK4200
NC switching contact and tamper loop
•
4-wire cable, 1.2 m
•
High switching distances, high wear resistance
•
Mountable on any material, particularly steel doors
•
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The robust aluminium opening detector for steel doors is a magnetic contact for protecting large (garage) doors.
Unauthorised opening is detected and reported to the alarm panel. This opening detector is ideal for fitting to
steel and metal doors. Its special construction enables its use on these materials. The detector consists of a
magnetic contact (reed) and a magnet. These are fitted parallel to each other. The electric circuit of this NC
opening detector is normally closed (NC). If the distance between reed and magnet increases, the circuit is
broken and an alarm reported. Its extremely robust aluminium housing protects it from damage even when
driven over. The door opening detector for steel doors is VdS certified.
Technical Data:
Dimensions (WxHxD) 19x80x18 mm
Connections NC, max. contact capacity
200 V DC / AC / 1 A / 10 W
Width 19 mm
Type of detection Magnetic field
measurement
Stray-field protection No
Housing material Aluminium
Height 80 mm
Cable type 4-core
Cable length 1,2 m
Length 18 mm
Max. operating
55 °C
temperature
Installation location Setup, sensing distance to
metal 14 mm, sensing
distance to non-metal 21
mm
Tamper monitoring Yes
IP protection class 65
Sensor type Reed contact
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