1. A221P32YZQ Substitution Conclusion From the perspective of key electrical specifications and mounting dimensions, the A221P32YZQ presents a viable substitution candidate. It matches the original requirements for DPDT configuration, On-Off-On functionality, voltage rating, and the 1/4-40 mounting thread. The deviations are as follows: Firstly, its current rating and electrical life (6A, 60,000 cycles) exceed those of the original part (5A, 50,000 cycles), constituting an equivalent or upgraded replacement in terms of electrical load capacity and mechanical endurance. Secondly, the actuator is "flat" as opposed to the "standard round" type. Furthermore, the panel cutout dimensions and the epoxy sealing characteristics are not explicitly confirmed. This introduces uncertainty regarding panel cutout compatibility (which may require verification) and the moisture-sealing reliability of the terminals. Consequently, this substitute may not be suitable for applications involving harsh environments or where the panel cutout is strictly circular.