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KOW-4.3 Contact Guard

The KOW-4 can check the switched status of 4 independent contacts as well as detect broken wiring and short-circuits. The different KOW-4 configurations vary in regard to how their alarm outputs S1 to S4 are grouped and are realised by means of different jumper settings (J1, J2, and J3).

Technical Data

Operating voltage
24 V DC (20 ... 34 V)
optional: 12 V DC (12 ... 20 V)

Power consumption
approx. 2 VA
Outputs
open collector, NPN (200 mA)

Control circuit
switching contact wired for 1.2 k and 10 k Ohm

Ambient temperature
-20 ... +55 °C

Housing
W / H / D: 55 x 85 x 110mm
(35 mm standard rail)

Ordering information:
KOW-4.3 / 24V Version: E1767
KOW-4.3 / 12V Version: E1790



pdf data sheet (german)

pdf description (german)

pdf description (english)