Kontaktwächter KOW-4.3

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).

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Technical data

Operating voltage 24 V DC (20 ... 34 V)
optional: 12 V DC (12 ... 20 V)
Power consumption approx. 2 VA
open collector, NPN (200 mA)
Control circuit switching contact wired for 1.2 k and 10 k Ohm
Ambient temperature -20 ... +55 ºC
Housing W / H / D: 55 x 85 x 110mm
(35 mm standard rail)
Download PDF db Data sheet (german)
Ordering information KOW-4.3 / 24V Version: E1767
KOW-4.3 / 12V Version: E1790