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The Siemens 6GK55981AA003AA0 is an enclosed AC DC converter from the SCALANCE PS598-1 series, designed for ITE (Commercial) applications. It features a wide input voltage range of 85-264 VAC and delivers a controlled, isolated DC output voltage of 24V.
This power supply offers a rated output current of 12.5A, with a range of 0-12.5A, and supplies a typical active power of 300W. Its efficiency is rated at 87%, with a power loss of 39W. The unit is designed for rack mounting and has dimensions of 446mm width, 44mm height, and 140mm depth.
Key electrical specifications include a 1.8A input current at 230V, a maximum inrush current limitation of 40A, and a buffering time of 16ms. It supports parallel switching of channels for increased power and has an overvoltage protection set below 37V. The output is short-circuit proof with electronic shutdown and automatic restart.
Compliance is indicated by CE, CSA, and UL approvals, and it meets the standard 60950-1. The operating temperature is up to 60°C. The unit features a green LED for normal operation status and a fault LED.
The rated output voltage is 24 VDC.
The rated output current is 12.5 A.
The power supply accepts an input voltage range of 85 to 264 VAC.
The efficiency is 87%.
The dimensions are 446.0mm in width, 44.0mm in height, and 140.0mm in depth.
The operating temperature is up to 60°C.
Yes, it features electronic shutdown and automatic restart for short-circuit protection.