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Visonic MCT-302 Wireless Magnetic Door/Window Contact

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Visonic MCT-302 Wireless Magnetic Door/Window Contact

Visonic Part Number: MCT-302
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Product Description

MCT-302 is a fully supervised PowerCode™ magnetic contact transmitter, designed primarily for protecting doors and windows using a built-in magnetic contact that operates in conjunction with a magnet to detect the opening and closure of a door or window. This highly reliable top-performance wireless device is easy to install and operate in a wide range of residential and commercial environments.

An additional hard-wired, end-of-line (EOL) protected input can be used, with normally open (NO) and normally closed (NC) pushbuttons, sensors, contacts, switches and other detection devices, for a variety of security and control applications. The MCT-302 T offers an additional back tamper switch for detecting removal of the device from its place to comply with the latest European EN standards requirements.

When activated, the magnetic contact and the auxiliary input initiate an individual 24-bit PowerCode ID message, which identifies it to the target receiver as a separate transmitter. Each ID code is randomly selected from 16 million possible combinations, and is therefore unique and virtually impossible to accidentally reproduce.

A smart anti-collision algorithm prevents signal jamming by simultaneous transmission from multiple devices. Periodic transmission of supervision signals is used to confirm system connectivity at all times.

These unique top quality devices are available in several optional frequencies in compliance with European, U.S. and other international standards. Each transmitter is powered by a standard long-life lithium battery, which is constantly monitored, with automatic reporting to the receiver when the battery needs to be replaced.


  • Magnetic contact and auxiliary input for external devices
  • User-selectable operation of auxiliary input as NC or EOL (end-of-line loop with NC or NO sensors)
  • Back tamper switch detects removal from place (model MCT-302 T)
  • Superior transmission range
  • Fully supervised
  • PowerCode ID factory-selected from 16 million possible combinations
  • Smart anti-collision mechanism supports multiple simultaneous transmissions
  • Long-life standard lithium battery included
  • Low-battery signaling
  • Available in several optional frequencies in compliance with international standards
  • Compatible with PowerMax® and all Visonic PowerCode wireless panels and receivers


Frequency (MHz)315, 433.92, 868.95, 869.2125, 869.2625 or according to local requirements.
Transmitter's ID Code24-bit digital word, over 16 million combinations, pulse width modulation.
Overall Message Length36 bits
Alarm Inputs2, one internal and one external, with a separate 24-bit transmitter ID each.
Auxiliary Input Circuit TypeN.C. / E.O.L., selected with DIP switch E.O.L. Resistor Required: 47 kO
Message RepetitionRepetitive transmission (once every 3 minutes) or one-shot, as selected with on-board DIP switch.
SupervisionSignaling at 60-min. (USA) or 15 min. (Europe) intervals, or according to local standards.
Response to Tamper EventTamper report every 3 minutes (until the tamper switch is restored).
Power Source3 V Lithium CR-2 type battery, Panasonic, Sanyo or GP only.
Battery Life Expectancy3 years (for typical use)
Battery SupervisionAutomatic transmission of battery condition data as part of any status report.
Operating Temperature0°C to 49°C (32°F to 120°F).
Dimensions81 x 32 x 25 mm (3-3/16 x 1-1/4 x 1 in.)
Weight53g (1.9 oz)
StandardsMeets FCC Part 15, IC: RSS 210, MPT1349 and Directive 1999/5/EC, EN 50131-1, Grade 2, Class II

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