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Chromalox Model 4130-31810 power controller. This unit uses an input signal (4-20 mA or any of several other analog signals) and switches the three phase power on and off so that the effective output power is proportional to the input signal. 480 Volt three phase, rated for up to 50A. Since this unit was manufactured by a heater company, it's a good idea to assume that the current rating is for a non-inductive load (e.g. a heater). Unit is mounted in a NEMA 1 box with hinged cover and manual latch 20" x 20" x 9". Instructions for connecting and calibrating analog input are included. Please feel free to email any questions. (7) We will always strive to make you happy with your purchase. Feel free to contact us if your purchase isn’t what you expected. We’ll try to set it right. |