Voltage Regulator Trainer Using 2N3055 is an SSI India product in the BASIC ELECTRONICS LAB category. Key specifications include SKU: PBE-E025A. Ammeter 2A Power supplies. 0-12V, 250mA AC Isolated Power Supply. 0-30V, 1A AC Isolated Power Supply. +5V DC, 250mA Regulated Power Supply. Operated on Mains power 230V, 50Hz +10%