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Standardized digital SCR power supply cabinet solution, designed to replace VRT and analog SCR power supplies
At control outputs below 100%, analog SCRs (silicon controlled rectifiers) cause high harmonic distortion on the power supply and a poor power factor, as well as a significant decline in energy efficiency
Due to poor power factor, energy is wasted in the system, leading to unnecessary extra costs for filters and capacitor banks
Analog thyristors cause difficulties in the control of the furnace heaters. Temperature stability and accuracy cannot be achieved causing process repeatability issues
Download the heat treatment vacuum furnace SCR power supply replacement success story
The challenges of analog thyristor power supplies also apply.
Download the heat treatment vacuum furnace VRT power supply replacement success story
Eurotherm EPower controller based solutions offer improved reliability and efficiency compared to legacy analog designs, helping to reduce maintenance and energy costs in a standardized design.
The power supply solution driven by an EPower advanced SCR controller is available in four standard sizes up to 400A to cover a wide range of furnaces, with customization available on request.
• A turnkey engineered cabinet solution, including transformers if required
• Available for single phase, or three phase 2-leg or 3-leg power control
• Supported by Eurotherm and Schneider Electric services and Authorized Solution Provider Network
• Customer FIRST service level agreements (SLAs) available
Air cooled cabinet
Water cooled cabinet
 Return on investment is dependent upon local energy rates