Metso ADC5483-D200136L

ADC5483-D200136L is a high-reliability enclosed switching power supply independently developed by Metso Automation, specially designed to provide stable 28 V DC regulated power output for Metso Valmet distributed process control system I/O modules, PLC boards and field signal transducers. It adopts full enclosed metal casing with forced ventilation heat dissipation, wide-range dual AC input voltage selection and comprehensive multi-level electrical protection circuits for continuous stable operation in mining, pulp & paper and metallurgy harsh industrial environments.

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Description

Technical Specifications

  • Input Electrical Parameters: Dual selectable AC input 115 V AC / 230 V AC, 50/60 Hz
  • Rated Input Current: 4.5 A (115 V AC mode), 2.5 A (230 V AC mode)
  • DC Output Standard: Fixed 28 V DC regulated output
  • Rated Output Load Current: 9 A continuous full-load output
  • Output Voltage Adjustable Range: 21 V DC ~ 29 V DC via front panel trim potentiometer
  • Maximum Output Power: 252 W nominal full-load power
  • Ripple Noise Voltage: < 15 mV RMS under 100% rated load
  • Efficiency Rating: 89% typical conversion efficiency at 230 V AC full load
  • Form Factor: Vertical wall-mounted enclosed metal cabinet power supply
  • Physical Dimensions: 220 mm (H) × 130 mm (W) × 75 mm (D)
  • Net Weight: 1.75 kg

Functional Features

  1. Dual AC input voltage selector switch compatible with global industrial power grid standards
  2. Multi-stage overvoltage, overcurrent, short-circuit and over-temperature hardware protection circuit
  3. Front panel output voltage fine-tuning potentiometer for on-site DC output calibration
  4. Dedicated ALARM relay dry contact signal output for remote power supply fault monitoring
  5. Terminal block wiring interface for AC input, DC output and fault alarm signal connection
  6. Internal active power factor correction (PFC) circuit reducing grid harmonic pollution
  7. Wide operating temperature range supporting non-air-conditioned factory cabinet deployment
  8. Built-in input surge suppression filter to resist industrial grid voltage spike interference

Performance Parameters

  • Line regulation error: ≤ 0.15% across full AC input voltage range
  • Load regulation error: ≤ 0.5% from 0% to 100% rated output load
  • Temperature coefficient: ≤ 0.02% per °C output voltage drift
  • Overcurrent protection trigger threshold: 11 A DC output current
  • Short-circuit protection mode: Automatic hiccup intermittent restart after fault clearance
  • Hold-up time under full load: > 20 ms during AC input power interruption
  • Dielectric withstand voltage: 2000 V AC between input and output isolation circuit
  • Operating temperature range: -10 °C ~ +60 °C

Material Composition

  • Outer enclosure: Thick cold-rolled steel sheet fully enclosed structure, matte black anti-corrosion paint coating
  • Internal heat sink: Aluminum extrusion heat dissipation fin assembly for power switching MOSFET components
  • Wiring terminals: Green PA66 flame-retardant plastic terminal blocks with copper alloy conductive contacts
  • Internal PCB substrate: High-temperature FR-4 industrial circuit board
  • Cooling fan: Ball bearing axial cooling fan with dust filter screen on enclosure ventilation holes
  • Isolation components: High-voltage isolation transformers and ceramic safety capacitors

Structural Characteristics

  • Vertical wall-mounted fixed structure with four rear mounting screw holes for cabinet interior installation
  • Front panel centralized layout of AC voltage selector switch, voltage trim potentiometer, power running and fault alarm LED indicators
  • Separate isolated wiring compartments for AC input terminals and DC output/alarm terminals to avoid high-voltage leakage risk
  • Uniform array of ventilation perforations on left and right enclosure side panels for forced fan airflow circulation
  • Internal metal partition separating high-voltage AC input circuit and low-voltage DC output circuit

Working Principle

Industrial alternating current grid voltage enters internal EMI filter circuit to eliminate power line surge and high-frequency interference, then transmits to active PFC correction circuit to stabilize input power factor and suppress harmonic distortion. The corrected AC voltage is converted to high-frequency square wave via power switching MOSFET tubes, stepped down to 28 V DC nominal voltage through high-isolation transformer, then filtered by secondary LC filter circuit to output stable low-ripple DC power to control system loads. Real-time voltage, current and internal temperature monitoring chips continuously detect operating state; protection circuits cut power conversion channel immediately when parameter exceeds safe threshold and trigger ALARM relay fault signal output to upper monitoring system.

Advantage Highlights

  1. Optimized 28 V DC output voltage matching all Metso Valmet process control I/O modules without secondary voltage conversion
  2. Integrated remote fault alarm dry contact relay realizes centralized cabinet power health monitoring
  3. Comprehensive multi-layer electrical protection avoids control system equipment damage from grid abnormal voltage and short-circuit faults
  4. Metal fully enclosed casing with dustproof ventilation design adapts high-dust mining and pulp paper production workshops
  5. Wide dual AC input range compatible with European, Asian and American industrial power supply standards
  6. High 89% conversion efficiency reduces internal heat generation and long-term cabinet energy consumption

Applicable Industries

Mining mineral processing control systems, pulp & paper mill automation cabinets, ferrous/non-ferrous metallurgy smelting control stations, cement production process control equipment, water treatment industrial DCS cabinets

Product Series

Metso CPS Industrial Control Power Supply Series (ADC5483-D200136L 28V/9A model, ADC5483-D200418 alternative revision variant)

Installation Requirements

  1. Mount vertically on cabinet interior metal mounting plate with four rear M4 fixing screws
  2. Maintain minimum 30 mm clearance left and right of enclosure to ensure cooling fan airflow circulation
  3. AC input wiring must use 1.5 mm² cross-section copper wire with cabinet protective ground connection
  4. Adjust front panel voltage trim potentiometer to calibrate DC output to standard 28 V DC before connecting load equipment
  5. Wire ALARM dry contact terminals to upper cabinet PLC fault monitoring input channel for real-time power failure alert

Use & Maintenance Precautions

  1. Strictly prohibit DC output load current exceeding rated 9 A continuous full-load capacity
  2. Clean side panel fan dust filter screen every 3 months to prevent heat accumulation activating over-temperature protection shutdown
  3. Confirm AC input voltage selector switch matches local grid voltage before power-on operation; mis-setting burns internal power components
  4. Cut off AC input power supply before disassembling enclosure cover for internal inspection; internal circuits carry dangerous high AC voltage
  5. Do not install the power supply unit adjacent to heat-generating equipment such as servo drives and contactors
  6. Short-circuit test of DC output terminal blocks is prohibited; repeated short-circuit triggers permanent damage to secondary circuit chips
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