Three Phase Industrial DIN RAIL with PFC Function PSU. Three-Phase 340-550VAC wide range input (dual phase operation possible). Protections: Short circuit / Overload / Over voltage / Over temperature. Cooling by free air convection. Built-in active PFC function compliance to EN61000-3-2. High efficiency 93% and low power disipation. Built-in constant current limiting circuit. UL508 Approved. EN61000-6-2 Immunity Level. Can be installed on DIN rail TS-35/7.5 or 15. Applications: Industrial control systems, semiconductor fabrication equipment, factory automation, electro-mechanical apparatus. With DC relay contact. DC voltage output: 24 VDC - 20 Amp current intensity. Output rated power: 480 W.