Seeco manufactures continuous variable auto transformer power-o-stat device that delivers 0 to 270 v voltage in single phase and 0 to 470 in 3-phase continuously, without any break in output voltage. The company supplies these voltage autotransformers in 2, 4, 8, 10, 15, 28, 50, 60, 100, 150 and 200 a various capacities for single and three phase units. The single phase, from 2 to 100 a voltage autotransformers are available with only one core and in above 100 to 200 a type two parallel units are used. The voltage autotransformer with three units are available in up to 100 a tandem mounted with common shaft that drives the carbon for three cores simultaneously giving equal voltage across each phase. Above 100 a voltage machines, mechanically arranged 6 cores are used in such a way that across each phase, they deliver equal voltages. The units are rated for 415 v, 3-phase with output 0-470 v, 50/60 hz in a three phase. Motor driven power-o-stats are useful for applications, where remote control is necessary. The company also provides stepper synchronous motor with instantaneous start and stop reversible characteristics and suitable reduction gear. The company supplies different types of gears so that the full sweep is achieved within 5, 8, 15 seconds etc depending on the application. The units are provided with accessories like suitable capacity limit switches, so that the brush arm may not over ride the end points.
