Based on this product's specifications, here are some alternatives and similar models
PULSAR PSB-12V5A buffer switching power supply for installation, 12 V DC, 5 A
Summary description:
PULSAR PSB-12V5A is a buffer (standby) switching power supply designed for built-in installation. It provides 12 V DC output at up to 5 A and includes buffering functionality to support connected devices during power disturbances. Suitable for powering security systems, access control, alarms and other low-voltage equipment where uninterrupted 12 V supply and integration into enclosures is required.