Schneider Electric 9050BO-5E AC Pneumatic Timing Relay

Schneider Electric's Square D 9050BO-5E is an AC pneumatic timing relay with a 120 V coil, designed to insert a precise time delay into control circuits that drive pneumatic actuators and other automation components. This model belongs to the 9050 family of pneumatic timers, a common choice in industrial control panels for sequencing operations where a timed delay is required before downstream devices energize. The unit's 120 V AC coil makes it compatible with standard North American control-power networks, and the 9050BO-5E designation identifies this specific configuration within the family. In practice, users deploy this relay to coordinate timing between valves, actuators, and related pneumatic equipment, ensuring orderly startup or release sequences in automated processes. As with other 9050-series relays, exact timing ranges and installation specifics are defined in the official Schneider Electric documentation for this part, so verify compatibility and timing requirements against the model's datasheet before use.