The MPO-100S series of open frame AC/DC power supplies from MicroPower Direct is fabricated on a 4x2inch PC board, making it suitable for process control equipment, industrial automation systems, test and monitoring equipment and telecommunications and data processing systems. The AC/DC power supplies comprise four standard models that operate from a universal input of 90 to 264V AC, and provide single outputs of 12, 15, 24, or 48V DC. They also incorporate filtering to EN55022 Class B standard, and deliver good line and load regulation. All models are protected for over-voltage, and short circuit faults. The MTBF of the power supplies is over 200kh. The supplies are also CE certified and comply with RoHS specifications. They operate from -10 to +70°C.