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Yokogawa PW481-50
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Yokogawa PW482-11
Yokogawa PW482-11

Yokogawa PW481-50

Product Name:​ PW481 AC Input Power Supply Module (100–120 V AC)
Product Introduction:
Industrial DCS power supply for Yokogawa FCU and Node Units. The “-50” suffix denotes 100–120 V AC input with standard coating and no ISA G3 option.
Category:
Description
Technical Specifications:
  • Input Voltage:​ 100–120 V AC, 50/60 Hz
  • Output:​ 24 V DC
  • Output Current:​ ~5.5 A (200 VA class)
  • Redundancy:​ Dual module support (slots P1/P2)
  • Replacement For:​ PW481-10
  • Temp Range:​ -20 °C to +70 °C (with extended option)
  • Mounting:​ Slot P1 or P2 in FCU/Node Unit
  • Certifications:​ UL, CE
Functional Features:
  • Wide-range AC input selection via model suffix
  • Redundant OR-ing diode internal
  • Surface-mount PCB for vibration resistance
Application Scenarios:
  • North American 110 V AC control rooms
  • CENTUM VP AFV30/AFV50 FCU power
  • ANB10 node unit supply
Installation Requirements:
  • Slot P1 mandatory for single, P1+P2 for redundant
  • Both modules must share exact model suffix in redundancy
Usage Notes:
  • Mixing -50 and -51 causes load imbalance
  • Use only original Yokogawa baseplate
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