The STH24D35-17-12 is a power module manufactured by Teledyne. It is part of their series of high-efficiency, compact, screw-mount switching power supplies. This series of power supplies is designed for use in applications requiring up to 28A and 24 VDC output. This specific model provides output ratings of 17A, 12V, and a hold-up time of approximately 1.0 ms at maximum output current. The module is equipped with an active PFC pre-regulator, a regulated fan, and an EMC filter that meets class B requirements according to EN55022 and other relevant standards. It also features overvoltage, overload, and short circuit protection.