Allen-Bradley 849A-ZAD25 is a pneumatic air timing relay from the 849A family, used in control circuits to sequence pneumatic operations after a set delay. The part number 849A-ZAD25 is described by Allen-Bradley as a Pneumatic Timer and is rated for up to 600 VAC, housed in a NEMA 1 enclosure for indoor panel mounting. The unit weighs 5.09 pounds. This model is listed as discontinued by the manufacturer. As a pneumatic timing relay, it provides timed control action to coordinate valves and actuators in pneumatic systems, making it suitable for legacy automation setups and sequencing tasks in manufacturing lines.
