Siemens 6EP3437-8SB00-0AY0 is a SITOP PSU8200 three‑phase DIN‑rail power supply that converts a 400–500 V AC input to a 24 V DC output rated at 40 A (960 W). It is intended to power 24 V loads in industrial control panels, including PLCs and I/O components, using the PSU8200 series’ standard DIN‑rail installation. Key specifications include 400–500 VAC three‑phase input, 24 V DC output, and a maximum output current of 40 A.
