Based on this product's specifications, here are some alternatives and similar models
Power Supply PULSAR PSG2-24V5A 27.6V 5A DIN/encased switching PSU for integration
Summary description:
PULSAR PSG2-24V5A is a switching power supply providing 27.6 V DC at up to 5 A output for integration into security, access control or CCTV systems. Designed for enclosure or DIN-style mounting, it offers regulated DC output suitable for powering low-voltage devices, cameras, controllers and control panels where stable 27.6 V/5 A supply is required.