Based on this product's specifications, here are some alternatives and similar models
Switched-Mode Buffer Power Supply PULSAR HPSB-12V10A-C 12V 10A
Summary description:
Switched-mode buffer power supply PULSAR HPSB-12V10A-C provides stabilized 12V output at up to 10A. Designed for uninterrupted power to security systems, access control, CCTV cameras and other low-voltage devices. Features buffer function to maintain supply during brief mains interruptions and protects connected equipment. Compact unit suitable for wall or rack mounting.