Reliance Electric 800894-SB VS Power Module DC Drive, 250HP 240VDC Out

The Reliance Electric 800894-SB is a VS (Variable Speed) Power Module DC Drive, engineered to deliver precise speed and torque control for 250 HP DC motors in demanding industrial applications. This module is part of Reliance’s legacy DC drive systems, widely used in metal processing, paper mills, and heavy-duty continuous process machinery. Technical Specifications: Manufacturer: Reliance Electric (now part of Rockwell Automation legacy product line) Model Number: 800894-SB Drive Type: DC motor drive power module (armature and field control) Motor HP Rating: 250 HP Input Voltage: Typically 460 VAC, 3-phase, 60 Hz (confirm on nameplate) Output Voltage: Variable DC (0–500 VDC nominal for armature) Output Current: Approximately 500–600 A DC (depends on load and configuration) Field Supply: Built-in or external field regulator for separately excited motors Control Type: Analog or digital reference, depending on drive system setup Regulation: Armature voltage control Speed or torque regulation Protection Features: Overvoltage/undervoltage protection Overcurrent trip Motor overload protection Fault diagnostics (limited on early analog systems) Cooling: Forced-air cooling with integrated fans Enclosure Type: Open chassis or NEMA-rated enclosure (varies by installation) Mounting: Panel-mounted power module – typically used with a control module (e.g., Reliance FlexPak Plus or Automax system)

Condition: Used

Weight:   200.00

Depth:   18.00

Length:   36.00

Width:   30.00

SKU:   42653 4.R6.5.5