The Allen Bradley 1771-OB is a versatile DC Output Driver Module designed to efficiently manage DC motor starters, indicators, and solenoids. Drawing 165 mA from the 1771 I/O backplane chassis, this module features 8 outputs with an input range of 10 to 27 Volts DC and delivers an output current of 1.5 A per output, not exceeding a total of 8 A. Designed to withstand demanding conditions, it operates within temperatures from 32 to 140 degrees Fahrenheit and maintains optimal performance across a humidity range of 5% to 95% without condensation, making it an ideal choice for various industrial environments.