6. Function & Positioning

• Core Function: Provides precision regulated DC reference voltages and isolated control power for drive logic, speed feedback circuits, and signal conditioning boards. Stabilizes critical low-level signals to ensure drive accuracy and reliability.

• Signal Flow: AC input → Transformer isolation → Rectification → Precision regulation → Filtered DC reference outputs

• Positioning: Central precision power source for Reliance industrial AC/DC drives. Ensures stable, accurate reference power for speed control, tachometer feedback, and interlock logic.

7. Core Performance Parameters

• Input Voltage: 115/230 VAC, 50/60 Hz (drive internal supply)

• Output Voltages: ±15 VDC (precision reference), +24 VDC (control power)

• Output Current: ±15 V @ 0.5 A; +24 V @ 1.0 A

• Regulation Accuracy: ±0.1% (precision reference)

• Ripple & Noise: ≤ 10 mVpp

• Isolation Voltage: 2500 VAC (input to output)

• Operating Temperature: 0°C ~ +50°C

• Storage Temperature: -40°C ~ +85°C

• Protection: Overvoltage, overcurrent, short-circuit protection

8. General Matching Accessories

• AC input power cable

• Drive main control rack

• Edge connector wiring harness

• Rack mounting hardware & brackets

• Signal conditioning boards (e.g., 0-51884)

9. Applicable Equipment & Industry

• Applicable Equipment:

  • Reliance MaxPak / MaxPak Plus Series DC Drives

  • VS Spindle Drives (CNC machine tools)

  • Industrial AC Vector Drives

  • Heavy-duty Variable Speed Drive Systems

• Applicable Industries:

  • CNC Machining & Machine Tools

  • Metallurgical & Steel Processing

  • Textile & Printing Machinery

  • Industrial Automation Production Lines

  • Mining & Heavy Equipment

  • Process Control & Power Systems

0-51845 Full Product Information (English)

1. Product Model

   Model Number: 0-51845
2. Brand

   Brand: Reliance Electric, affiliated with Baldor and ABB Group
3. Product Category

   Category: Industrial drive reference power supply board

   Type: Drive system control power circuit board
4. Alias

   Official Name: Precision Reference Supply Board

   Other Names: Drive Stabilized Power Board, Reference Voltage Power Card
5. Basic Information

   Manufacturer: Reliance Electric USA

   Installation form: Standard plug-in cabinet board

   Product status: Discontinued, used as industrial spare replacement part

   Structure: Integrated power regulation PCB circuit board
6. Function & Positioning

   Core function: Convert input AC power into stable multi-channel precision DC reference voltage, supply power to drive internal control circuit, signal feedback circuit and signal conversion board.

   Product positioning: Core stable power supply accessory for industrial speed regulating drives, provide accurate reference voltage to ensure speed regulation accuracy and system stable operation.
7. Core Performance Parameters

   Input power: 115/230V AC, 50/60Hz

   Main output voltage: ±15VDC precision reference voltage, 24VDC control power

   Voltage stability accuracy: ±0.1%

   Overcurrent and short circuit protection function built-in

   Operating temperature: 0℃ ~ +50℃

   Storage temperature: -40℃ ~ +85℃

   Isolation grade: Industrial safety isolation standard
8. General Matching Accessories

   Drive main control board, power wiring harness, signal connecting wire, cabinet fixed base, terminal connection accessories
9. Applicable Equipment & Industry

   Applicable equipment: Reliance MaxPak series DC drives, VS spindle drives, industrial variable frequency speed regulating drives

   Applicable fields: CNC machine tools, metallurgical machinery, textile equipment, printing machinery, industrial automation production lines, heavy industry speed control equipment