The 1738-OB4EM12 is a discontinued digital output module from Allen Bradley's ArmorPoint I/O series, featuring 4 sourcing outputs with 3A current rating. It operates at 24V DC with 2W power consumption and 75mA PointBus current. This module is configured for keyswitch position 1. While the original manufacturer warranty no longer applies, it comes with Radwell's 2-year warranty.