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OKN

The OKN Pressure switch from Condor USA.

 

  • Thermal trip with phase-drop protection
  • Manual motor starters with rotary knob
  • Setting range 0.25 – 27.0 A; 500 V AC
  • Switching capacity 7.5 kW
  • Switching operations 30/h
Part No. Description Rated current setting range (A) Packing (units) Weight (in g)

 203391

170

 203407

170

 203414

170

 203421

170

 203438

170

 203445

170

 203452

170

 203469

170

 203476

170

 203483

170

 203490

170

 203506

170

 236665

170
Technical Data OKN
Rated insulation voltage Ui (accessory to IEC 947-4-7 / VDE 0110) 500 V AC
Permissible ambient temperature (storage temperature / open / enclosed type) -25...+ 70 °C -25...+ 60 °C -25...+ 40 °C
Temperature compensation yes
Climatic resistance IEC 68 T2-3, 2-30
Glow wire resistance (acc. to IEC 695-2-1) Intensity 850°C
Working position preferably vertical
Permissible altitude 3000 m
Permissible vibration resistance IEC 68-2-6 25 Hz b.+/- 1 mm Amplitude (2,5 g)
impact (critical direction IEC 68-2-27) 5 g (11 ms)
Surface mounting (screw mounting) 2 x M4*
Mechanical life (in cycles) 100
Maximum switching operations (cycles/hour) 30
Main current paths (number) 2/3
Rated operational voltage (Ue up to) 37 A / 250 V 27 A / 500 V
Thermal current Ith (rated operational current Ie) 37 A, 2-pol / 27 A, / 3-pol
Current setting ranges Ie (acc. to VDE 0660 Teil 102 A, IEC 947-4-1) 22 – 37 A , 2-pol 0,25 – 27 A, 3-pol
Numbers of ranges 2/11
Current dissipation loss (Main current paths at Ie max./Phase) 1,8...3,2 W
Trip class 10A

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