Analog Digital Bread Board Trainer Adt Modular is an SSI India product in the BREADBOARD TRAINERS category. Key specifications include SKU: PBB-E048B. TECHNICAL SPECIFICATIONS: Power Supplies. DC Power Supply IC Regulated ±5V, ±12V @ 500mA. DC Power Supply IC Regulated 0 to 30V @ 250mA (3Nos.). AC Power Supply 9-0-0