Based on this product's specifications, here are some alternatives and similar models
Buffered Switching Power Supply PULSAR DING2-24V3A 24V 3A
Summary description:
PULSAR DING2-24V3A is a buffered switching power supply providing 24 V DC output at up to 3 A. Designed for continuous power delivery with built-in buffering, it supplies stabilized voltage for security, alarm, access control and low-voltage devices. Suitable for mounting in enclosures or distribution panels where uninterrupted 24V power is required.