Based on this product's specifications, here are some alternatives and similar models
Eaton LZMN4-AE800-I Circuit Breaker, 800A, 3-Pole, 50kA
Summary description:
The Eaton LZMN4-AE800-I is a high-performance 3-pole molded case circuit breaker designed for reliable electrical protection in industrial and commercial power distribution systems. With a rated current of 800A and a breaking capacity of 50kA, this device ensures safety and operational continuity. It is engineered for demanding electrical installations, providing robust short-circuit and overload protection for various power circuits.