1. A221P32Y5ZQ Substitution Conclusion The A221P32Y5ZQ is a functionally viable substitute for the original part number. It provides an equivalent DPDT On-Off-On switching function, lug termination style, and 1/4-40 mounting thread. Its electrical ratings are marginally superior, with a current rating of 6A versus the original's 5A and a voltage rating of 125V AC versus 120V AC, offering a higher load handling capability and broader compatibility. Furthermore, its electrical endurance of 60,000 cycles exceeds the original's 40,000 cycles, enhancing overall durability. Key deviations must be noted: The actuator type is "Flatted" as opposed to the original's "Flat Anti-Rotation" design, which may impact anti-rotational stability during installation. In terms of features, it lacks epoxy-sealed terminals, substituting them with a satin chrome actuator finish. This results in inferior environmental protection against moisture and dust ingress. Additionally, the panel cutout dimensions are unspecified, whereas the original requires a 6.35mm diameter round hole; mechanical compatibility must therefore be verified. In summary, this substitution is acceptable for standard applications. However, if environmental sealing or precise panel fit are critical requirements, a more careful evaluation is warranted.