Based on this product's specifications, here are some alternatives and similar models
Circuit breaker accessory Siemens 5ST3653 — auxiliary contact module for compatible breakers
Summary description:
Siemens 5ST3653 is a circuit breaker accessory designed as an auxiliary contact module to work with compatible Siemens miniature and molded-case breakers. It provides additional signaling or control contacts for remote monitoring and interlocking, enabling status indication and integration into control circuits for industrial and commercial electrical panels.