701819-303AC | ABB Bridge Rectifier Power Cube

Description 

701819-303AC ABB Bridge Rectifier Power Cube is a compact bridge rectifier module with integrated SCRs, designed for phase-controlled AC to DC conversion in Reliance Electric MiniPak variable speed drives.

Technical Specifications 

Information About 701819-303AC

The 701819-303AC is a Power Cube Bridge Rectifier originally manufactured by Reliance Electric, which has also been associated with brands like ABB and Baldor Reliance due to corporate acquisitions. 

Key Features:

• Functionality: This rectifier is designed to convert single-phase AC power into adjustable DC power suitable for motor armature circuits. It achieves this through phase-controlled rectification. 

• Design: The unit is compact, featuring a metal base with a carrier that includes eight stab-on connectors on its top. This design facilitates efficient heat dissipation and straightforward replacement. 

• Application: Typically utilized in Reliance Electric MiniPak DC Variable Speed Drives, the 701819-303AC is compatible with systems rated at:

  • ¼ to ¾ horsepower at 115 VAC

  • ½ to 1½ horsepower at 230 VAC

  • 2 and 3 horsepower at 230 VAC

  Two of these Power Cubes are generally required per controller in these setups. 

• Components: Each Power Cube contains two Silicon-Controlled Rectifiers (SCRs), essential for its rectification process.

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