Based on this product's specifications, here are some alternatives and similar models
Power supply buffer SMPS Atte AUPS-70 24V 3A
Summary description:
Atte AUPS-70 is a buffer SMPS power supply providing 24V DC output at up to 3A. Designed to deliver stable backup power for low-voltage systems and devices, it supports continuous operation and protects equipment from supply interruptions. Suitable for access control, security, communication modules and other electronics requiring a reliable 24V source.