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The Wago 787-2742 is an economic AC/DC power supply suitable for standard applications. It features natural convection cooling when mounted horizontally and is encapsulated for use in control cabinets.
This power supply operates with a nominal input voltage range of 400-480 VAC (2/3 phase) and offers an adjustable output voltage range of 22-28 VDC, with a default setting of 24 VDC. It delivers a nominal output current of 20A, providing a total output power of 480W. Key electrical features include a high efficiency of 92% and a power factor of ≥ 0.7.
Designed for ease of use, it incorporates fast and tool-free termination via lever-actuated terminal blocks with push-in connection technology. The unit includes a DC OK signal output and status LEDs for overload and output voltage.
Mounting is facilitated via DIN rail, and the protection type is IP20. The power supply meets safety standards including EN 60950-1, UL 60950-1, and EN 60204-1, with an isolation voltage of 4.242 kVDC (primary-secondary).
The nominal output voltage is 24 VDC.
The nominal output current is 20 A.
The nominal output power is 480 W.
The efficiency is typically 92%.
The operating temperature range is -20°C to 70°C, with derating.
It is designed for DIN rail mounting.
Yes, it features a DC OK signal output via Photomos.