HLS-PSU-TR40 Door Hold Transformer-Rectifier 24V 4A

HLS-PSU-TR40 is an Ancillaries Door Hold Transformer-Rectifier power supply unit from the enhanced TR range, designed for fire and access control applications requiring remote output control. It powers door retainers linked to fire panels, releasing holds on alarm, and operates from a 230Vac 50Hz input with a maximum draw of 500mA. The unit delivers a variable 22-30Vdc output dependent on load, capable of supplying up to 4A maximum current.

Housed in a 1.2mm steel enclosure with white powder coating, the HLS-PSU-TR40 measures 200 x 230 x 80mm (HxWxD) and weighs 3.5kg. It includes a T1.0A mains fuse and an F4A load output fuse, both 20mm glass type rated for 250Vac. The unit operates in temperatures from -10 to +40°C and withstands up to 95% humidity, with storage ranges from -20 to +80°C. It supersedes the 05106-15 model and is compatible with door retainers and magnets such as 04390-31, 04390-41, and 04390-55, as well as the related HLS-PSU-TR20 variant. Wiring details are covered in the installation manual.