My parts list/tender specifications

Discontinuation type

Functions at a glance

  • Bus coupler with 5gang binary input
  • For flush-mounted room thermostat 6134/10, 6124-xx and Busch-Watchdog 180 flush-mounted comfort sensor II
  • For connecting 5 potential free contacts with ready-made connecting cables.
  • For connecting conventional push buttons/switches.
  • Connecting cables extendable to max. 10 m.
  • Protection class (device): IP 20
  • Temperature range (device): -5 °C - 45 °C
  • Storage temperature range: -25 °C - 55 °C
  • Transport temperature range: -25 °C - 70 °C
  • Dimensions: (L x W x D): 50 mm x 45 mm x 33 mm
  • ETS programming only from ETS 2 V1.2.
  • For software and description please check the current Online-Catalogue.
  • Not suited for Busch-priOn® and 6128-xx-102, 6124-xx-102.

    Order details

    Article No.:6109 U
    Order No.:2CKA006156A0055
    Customs tariff number:85176200
    Price group:42
    Info sheet:Download PDF


    Instruction manual
    Technical manual
    Wiring diagram
    Binary input/sensor 5gang Wiring harness assignment 1=GND =black (sw); 2=E1 =brown (bn); 3=E2 =red (rt); 4=E3 =orange (og); 5=E4 =white (wß); 6=E5 =yellow (gb)
    Busch-Watchdog 180 FM sensor comfort and adaptation to (+/-;24V) 6120U-102, 6109U, 6110U-101 and (+/-; 230V~) 6920U-10x, 6931U, 6932 U-10x and 6933U
    Room thermostat heating/air conditioning and adaptation to (+/-; 24V) 6120U-102, 6109U and (+/-; 230 V~) 6920U-102
    Compatible with
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