Analog Component Trainer 3 Digital Meters is an SSI India product in the BREADBOARD TRAINERS category. Key specifications include SKU: PBB-E049A. TECHNICAL SPECIFICATIONS: Power Supplies. DC Power Supply IC Regulated +5V, ±12V @ 250mA. DC Power Supply IC Regulated 0 to 30V @ 250mA and 0-15V @250mA. AC Power Supply