Based on this product's specifications, here are some alternatives and similar models
Siemens 3LD2003-0TK51 Main Switch with Rotary Operating Mechanism
Summary description:
The Siemens 3LD2003-0TK51 is a high-quality main switch designed for safe and reliable electrical circuit disconnection. Featuring a robust rotary operating mechanism, this device is engineered for industrial and commercial applications where manual control of power supply is required. It ensures efficient performance and durability in various electrical installations.