Based on this product's specifications, here are some alternatives and similar models
Siemens 3RT2926-1CD00 RC Surge Suppressor for Size S0 Contactors
Summary description:
The Siemens 3RT2926-1CD00 is an RC surge suppressor designed for use with size S0 contactors. This module effectively limits voltage peaks, protecting control circuits and extending the service life of switching components. It features an integrated LED indicator for status monitoring and is suitable for AC voltages from 127V to 240V and DC voltages from 150V to 250V. Ideal for industrial automation and reliable electrical control systems.