Scr Single Phase Half Controlled Rectifier Trainer Ramp Firing is an SSI India product in the Electrical Lab category. Key specifications include SKU: PEDE-462A. SPECIFICATIONS: Power supplies: Power Supply +15Vat 150mA Isolated Supply 0-12V AT 500mA. Inductive Load (Using Motor With Fan 12V DC) Resistive Load (Variable Resistor 5W Using