mcr DOR smoke control dampers
„MERCOR” S.A.
– The company reserves the right to modify and change the document.. Version: mcr DOR 22.05.04.1
13/16
Independent sets of limit switches.
Limit switch WK1 oraz WK2 1xNO/1xNC SPDT
Limit switches
1xNO/1xNC SPDT
5A, 230V AC
The operating temperature
-25 ...+85
0
C
Housing
Plastic
Power supply:
Terminal number: 1-2 („+” – terminal no 1, „-” – terminal no 2)
Limit switch WK1– damper closed:
Terminal number: 6-5 – type NO
Terminal number: 4-5 – type NC
Limit switch WK2 – damper opened:
Terminal number: 9-8 – type NO
Terminal number: 7-8 – type NC
Limit switch WK2 - damper opened:
Terminal number: 12-11 – type NO
Terminal number: 10-11 – type NC
Damper closed
Transition
Damper opened
Diagram of electrical connections of the WK1 and WK2 limit switches