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KT-300/512K Kantech Door Controller 512KB

SKU: KT-300/512K
  • Controls two doors and easily links to a network
  • Update the firmware directly from system workstation
  • Fast, up to 115,200 baud
  • Ready to go, no dip switches or jumpers to set
  • 5V and 12V reader power
  • Interfaces with an external alarm system
  • Supervises battery conditions and reports low battery/no battery status to the system
  • Automatic trouble reporting
  • All power outputs are individually protected against short circuits and surges by a self-resetting PTC
  • 512K memory capacity
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Ordering Notes: Dealers Only
MSRP Price: $1,625.00
Online Price: $1,127.00
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Product Details

One controller supports up to two readers, installed on two separate doors or on a single door controlling both entry and exit. Each controller is linked to the others in the system using a "RS-485" communication bus providing for control of up to a million doors depending on the software you choose.

Built-in Combus expansion means you can add relay, input, and output modules to connect HVAC systems, elevators, motion detectors, and more. You can also add an LCD monitor to view time and date information.


  • Model Number - KT-300/512K
  • Input power - 16 VAC, 40VA, class 2 transformer
  • Battery backup - 1 battery 12V, 7Ah, supervised, provides operation for up to 12 hours
  • Dimensions - 29.9 x 28.8 x 7.7 cm (11.75 x 11.38 x 3 in) EMT 1.9 cm (0.8 in)
  • Weight (with metal cabinet) - 2.4 kg (5.4 lbs)
  • Operating temperatures - 2C to 40C (35F to 110F)
  • Compatible reader types - Wiegand, proximity, bar code, magnetic, integrated keypad and others.
  • Monitored points (inputs) - 8 monitored points, NO/NC, with or without end-of-line resistors (expandable to 16)
  • Monitored points max. wiring distance - 600 m (2,000 ft) (AWG #22)
  • Door strike power - 12 VDC, 250mA each, supervised
  • Auxiliary outputs (LED, BUZ) - 4 outputs, 25mA max. each, open collector
  • Control relay outputs (R1, R2) - 2 control relay outputs, 12 VDC, 25mA totals each, open collector (optional relay RM1 available)
  • Auxiliary power output - 12 VDC @125mA max., protected and supervised
  • Reader power outputs - 12 VDC and 5 VDC @125mA total, protected and supervised
  • Communication ports - RS-232, RS-485 and Combus
  • Communication speed - Up to 115,200 baud (automatic detection)
  • Firmware flash memory - 128K
  • RAM - 128K (512K unit available), protected by a lithium battery
  • Network autonomy - Distributed data and processing
  • Certifications - UL294, CE, FCC

KT-300-512K Specifications PDF

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DWG - 800 Shames Drive , Westbury , NY 11590 , USA - 516-933-4900
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