This is an Eurotherm Power Controller rated at 50A/230V made in UK. It is suitable for using on MTI high temperature furnaces (1250-1800C) with SiC/MoSi2 Heating Elements. SPECIFICATIONS Current: 50A Voltage: 230V (50/60Hz) Input Signal: 0 - 5 V Compact : reduction in cabinet size Phase Angle Firing Advanced Single Cycle Operation Operating mode for short-wave infrared Internal EMC filter Compensation for supply fluctuations Compliance: UL Listed, CE