Power Supply (AC1256)

Basic Attributes

• Protection

  • IP 20

  Clear

• Nominal Voltage DC(V)

  • 24

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• Input Voltage DC(V)

  • 24

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• Type of Short-Circuit Protection

  • electronically protected

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• Electrical Connection

  • terminals: -2.5 mm²
  • cage clamps: -1.5 mm²
  • cage clamps:

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• Power Loss in Open-Circuit Operation(W)

  • 4

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• Nominal Frequency AC(Hz)

  • 47-63

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• Short-Circuit Protection

  • Yes

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• Output Power (Peak)(W)

  • 134
  • 256

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• Fuse(A)

  • 8; (not accessible)
  • 10; (external. characteristics B)

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• Overload Performance

  • output current constant

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• Output Voltage AS-I(V)

  • 29.5-31.6
  • 29.5-31.6; (to PELV)
  • 29.5-31.6; (to PELV; NEC Class II)
  • 30.5
  • 30.5; (to PELV; NEC Class II)

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• Derating(W/K)

  • 0 (60-70 °C)
  • 1 (60-70 °C)
  • 2% / K (> 60° C)
  • 2 (60-70 °C)

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• Input Current (Nominal Voltage 230 V AC / 50 Hz)(A)

  • 0.86

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• Integrated Data Decoupling

  • Yes

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• Max. Residual Ripple(mV)

  • 50

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• Mains Buffering Time (Nominal Voltage 120 V AC / 60 Hz)(ms)

  • 98

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• AS-I Certificate

  • 21901
  • 54401
  • 91001
  • 98401
  • 98501
  • 98601
  • 98701
  • 98801

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• Materials

  • Aluminium
  • Aluminium; steel sheet galvanised
  • PC; ABS
  • steel sheet

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• Protection Class

  • I
  • II
  • III

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• Switch-On Peak Current (Nominal Voltage 230 V AC / 50 Hz)(A)

  • 3

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• Output Current AS-I(A)

  • 1.9
  • 2.8
  • 4

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• Power Loss (Nominal Voltage 230 V AC / 50 Hz)(W)

  • 11.6
  • 30

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• Operating Voltage(V)

  • automatic range selection

  Clear

• Switch-On Peak Current (Nominal Voltage 120 V AC / 60 Hz)(A)

  • 3

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• Frequency AC(Hz)

  • 47-64

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• Ambient Temperature(°C)

  • -25-70
  • -10-70
  • -10-60
  • 0-70

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• Overvoltage Protection

  • Yes; (< 34 V)
  • Yes; (< 36 V)
  • Yes; (< 55 V)

  Clear

• Mains Buffering Time (Nominal Voltage 230 V AC / 50 Hz)(ms)

  • 90
  • 96

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• Power Factor (Nominal Voltage 120 V AC / 60 Hz)

  • 0.56

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• Inrush Current Limitation

  • Yes

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• Type of Mounting

  • rail; (TH35 (EN 60715))
  • rail; (TH35 (EN 60715); free space for convection cooling 30 mm)

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• Number of Output Circuits

  • 1
  • 2

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• External Input Protection

  • ≤ B-10 A / ≤ C-6 A
  • > 6 A
  • > 10 A

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• Operating Voltage Tolerance(%)

  • 10
  • 15-20
  • 25-35

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• Power Factor (Nominal Voltage 230 V AC / 50 Hz)

  • 0.47

  Clear

• Back Feeding Protection(V)

  • 35

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• Efficiency (Nominal Voltage 230 V AC / 50 Hz)(%)

  • 88

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• Power Loss (Nominal Voltage 120 V AC / 60 Hz)(W)

  • 12.9

  Clear

• Nominal Voltage AC(V)

  • 110 / 230
  • 400

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• Input Current (Nominal Voltage 120 V AC / 60 Hz)(A)

  • 1.44

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• Input Voltage Range AC(V)

  • 85-132 / 184-264
  • 88-132 / 184-264
  • 100-240
  • 100-120 / 200-240
  • 380-480

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• Efficiency (Nominal Voltage 120 V AC / 60 Hz)(%)

  • 86.9

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• Output Power (Permanent)(W)

  • 60
  • 85
  • 122
  • 244

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• Max. Power-On Delay Time(ms)

  • 90
  • 100
  • 380
  • 500
  • 650
  • 800
  • 900

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• Short-Circuit Proof

  • Yes

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• Dimensions(mm)

  • 45 x 90 x 100
  • 124 x 40 x 120
  • 124 x 62 x 120

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• Display

  • Function: 2 x LED, green
  • Function: LED, green goes off in case of overload U < 28 V
    IR addressing
    LED, red
  • AS-i voltage: LED, green

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