P3907 - NEW KB ELECTRONICS REGENERATIVE DC SPEED CONTROL KBMG SERIES. 1/50-1HP @ 115 VAC, 50/ HZ. VARIABLE SPEED SCR CONTROL DESIGNED FOR SHUNT WOUND & PM DC MOTORS FULL WAVE - 4 QUANDRANTDRIVE, DC, 120/240VAC, 11A, CHASSIS THRU 0.75HP(8A) W/O HEAT SINK 1.0/2.0 HP WITH HEATSINK, 90/180. NIB.1