Based on this product's specifications, here are some alternatives and similar models
Phoenix Contact STTB 2.5-PE Double-Level Ground Terminal Block
Summary description:
The Phoenix Contact STTB 2.5-PE is a double-level ground terminal block designed for secure electrical connections in industrial control cabinets. Featuring a 5.2 mm width and a depth of 67.5 mm, this component provides reliable grounding functionality. It is engineered for high-density wiring applications, ensuring efficient space utilization and robust performance in professional electrical installations.