TZ 321 SN AP Door control unit for controlling escape route doors with key switch and power supply

  • Full-area operable impact cover enables fast and safe activation of the illuminated emergency button in panic situations
  • Coloured supply terminals simplify installation
  • 3 freely configurable inputs and 2 freely configurable outputs offer numerous possibilities for additional components
  • Number of inputs and outputs can be extended with the KL 220 terminal box
  • Integrated power supply offers additional flexibility
  • Integrated key switch enables authorised access to emergency exit
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Door control unit for controlling escape route doors with key switch and power supply

Application Areas

  • Delayed unlocking of emergency door makes unauthorised access more difficult (use requires approval in individual cases)
  • Can be used on single and double leaf doors
  • Connectivity via bus enables e.g. interlocking door system control, forwarding of alarms, connection to building management system
  • Can be combined with motor locks and swing door drives
  • Realisation of a bidirectional emergency exit
  • Surface mounting allows subsequent installation on the door with little effort

Product specifications

TZ 321 SN AP
Width 77 mm
Height 197 mm
Installation depth 88 mm
Illuminated No
Operating voltage 24 V DC
Supply voltage 230 V
Current consumption 100 mA
Power supply for external devices 650 mA
Contact rating 30 V / 1 A
Sabotage contact Yes
Number of inputs 3 Stk.
Number of outputs 2 Stk.
Emergency button No
Delayed emergency button Yes
Acoustic signal 75 dB
Temperature range -10 °C - 50 °C
IP rating IP30
Type of installation surface-mounting
With ribbon cable Yes
Parameter setting ST 220 service terminal


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