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The Astrodyne TDI PMK225S-24U is a 225 Watt U-channel switching power supply designed for AC to DC conversion. It provides a single output of 24V at a maximum current of 9.4A, delivering a total output power of 226W. This power supply operates with a universal input voltage range of 90-264 VAC and features active Power Factor Correction (PFC) with a minimum power factor of 0.95.
Key electrical specifications include line regulation of ±1% max. and load regulation of ±1% max. It offers over-voltage protection up to 130% and over-current protection up to 228%, both with auto-recovery. The unit has a turn-on delay time of less than 4 seconds and a hold-up time of 20mS typical.
Designed for ITE (Commercial) applications, the PMK225S-24U has an open frame, U-channel construction suitable for chassis mounting. It operates within a temperature range of -20°C to 70°C with derating. The power supply meets various safety standards including UL/cUL, UL-EU, and CB, and complies with EMI standards like EN55022 Class B.
The output voltage is 24 VDC.
The maximum output current is 9.4 A.
The total output power is 226 W.
The input voltage range is 90-264 VAC.
The efficiency is 80% at full load and nominal input.
The operating temperature range is -20°C to 70°C, with derating.
It complies with UL/cUL, UL-EU, and CB safety standards, including UL60950-1, C22.2 60950-1, EN60950-1, and IEC60950-1 (2nd ed.).