1. បន្ទះខាងមុខ back panel 1-AC Input Switch (Single Phase-1P, Three Phase-3P) to control AC Power Supply 2-Time Relay (User Optional), Timing Control 3-Output Voltage Display Header (V) 4- Output ក្បាលបង្ហាញបច្ចុប្បន្ន (A) 5-Constant Current/Constant Voltage...
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