Based on this product's specifications, here are some alternatives and similar models
Siemens 3RT2936-1CD00 Surge Suppressor with RC Element for Contactors
Summary description:
The Siemens 3RT2936-1CD00 is a surge suppressor module equipped with an RC element, designed for reliable protection of contactors. It operates within a voltage range of 127-240V AC and 150-250V DC. This component effectively minimizes voltage spikes, ensuring stable operation and extending the service life of industrial switching equipment in various electrical control systems.