Closed Loop D.C Shunt Motor Speed Controller is provided with miniature loading arrangements with 1/2 hp 230 VDC motor. The D.C Shunt Motor Speed Controller ensures automatic speed control by firing angle control facility. The D.C Shunt Motor Speed Controller is offered with armature control and thyristorised phase control for DC motor. Closed Loop D.C Shunt Motor Speed Controller test points to monitor critical waveforms.