Based on this product's specifications, here are some alternatives and similar models
Pollin WN-3W Modular LED Indicator Light, 3-Phase, 3x400V AC, TH35 Rail Mount
Summary description:
The Pollin WN-3W is a professional 3-phase modular LED indicator light designed for electrical distribution boards. Operating at 3x400V AC, this device provides clear visual status monitoring for each phase. It is engineered for standard TH35 DIN rail mounting, ensuring easy integration into industrial and residential electrical systems. Its compact modular design offers reliable performance and long-lasting LED illumination for monitoring power supply status.