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Mean Well KNX power supply series KNX-20E-640

KNX switching power supplies in a DIN rail housing with 20W, a universal input, insulation class I, an LED indicator and screw terminals (touch guard). These SELV compliant devices have an integrated c...

Mean Well KNX power supply series KNX-20E-640

KNX switching power supplies in a DIN rail housing with 20W, a universal input, insulation class I, an LED indicator and screw terminals (touch guard). These SELV compliant devices have an integrated choke and are protected against overload (auto recovery), overvoltage as well as short circuit. They are suitable for KNX applications, have a fanless design and comply with EN61558-1, EN61558-2-16, EN50491-3, EN50491-5-2, EN50491-5-3, EN61000-3-2 as well as EN61000-3-3. We offer the type KNX-20E-640 of this Mean Well series.

  • single output
  • output: 19,2W
  • input voltage: 180 to 264V AC (47 to 63Hz), 254 to 370V DC
  • maximal input inrush current: 40A
  • leakage current: <1mA
  • no-load power: <0,5W
  • overload protection: 205 to 235%
  • withstand voltage I/P-O/P: 4000V AC
  • withstand voltage I/P-FG: 2000V AC
  • withstand voltage O/P-FG: 600V AC
  • operating temperature: -30 to +70°C
  • weight: 215g
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Data Sheet
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  • Product Stock Unit price Volume discounts
  • Mean Well
    KNX-20E-640
    55,79 €
    107808 KNX-20E-640 KNX-20E-640
    55,79 €
    Quantity Unit price
    50 + 54,39 €

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    Stock: 1264
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