The ABUS MK4000 Door Opening Detector 4-Core 2m is a magnetic contact for protecting large (garage) doors - any unauthorised opening is detected and reported to the alarm panel. The door opening detector is mounted chiefly on roll-up, sliding, and up-and-over doors.
The detector consists of a magnetic contact (reed) and a magnet, which 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 - the detector is also tamper-protected.
The best installation location is in the middle of the entrance. The magnetic contact is mounted on the ground and the magnet on the inside of the door at a distance of about 20mm. The door opening detector is perfectly suited for surface-fitting and is absolutely water and dust-proof (IP 68). Its extremely robust aluminium housing protects it from damage even when driven over - the door opening detector is also VdS B certified.
Magnet contact for flush and surface fittingNC switch contactMK4000180 x 14 x 45mm (W x H x D)NC, max. contact capacity 60V DC/AC/1A/10WMagnetic field measurementNo stray-field protectionAluminium housing material4-core cable type2m cable length50°C max. operating temperatureSetup, optimal triggering clearance 20 mmTamper monitoringIP65 protection classReed contact sensor typeVdS B certifications
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