Based on this product's specifications, here are some alternatives and similar models
Circuit breaker Schelinger 3P B20A 20 A, 3-pole, 20 A
Summary description:
Three-pole circuit breaker Schelinger 3P-B20A 20 A designed to protect electrical circuits against overloads and short circuits. Rated at 20 A with B-characteristic tripping curve, suitable for distribution boards in residential and light commercial installations. Provides reliable manual switching and automatic trip protection for three-phase circuits, simplifying wiring and enhancing safety.