2422AB

Industrial 4-pole double-throw (4PDT) pneumatic time-delay relay configured for On-Delay (Delay-on-Energization) operation with a 120V AC operational timing coil. Equivalents: TE Connectivity 2422AB, Agastat 2422AB. Real-Life Examples: Nuclear power station auxiliary safety panels, transit railway signaling systems, and heavy-duty manufacturing assembly lines [1.2].