Panasonic YD-350GL4 Operating Instructions Manual

Rated Specifications6Duty cycle for YD-500GL4Dimensions for YD-500GThe rated duty cycle for this product is 60%.“The duty cycle is 60% at the rated output” means thatfor 60 percent of the ten minute period (6 minutes), thepower source can maintain operation with an output of500A without overheating. The remaining four minutesmust be operated at no-load to allow proper cooling.When using the product in combination with otherdevices, such as the welding torch, etc., use it at thelowest rated duty cycle among those devicesNoteUsing a product at a duty cycle over the rated dutycycle may cause the increase of equipmenttemperature over the permissible maximum, as a result,the lamp to indicate the “abnormal rise in temperature”is turned on.IGBT, DCL and some diodes of this unit are protectedwith “Thermal protector”. The error “Err 3: Abnormalrise in temperature” occurs when the temperature ofthose units exceeds the allowable temperature.* When an output other than rated value is used.10050100 200 300Applicable rangeDuty cycle (%)Output current (A)0 35030Rated60%100% (387A or less)Allowableduty cycle (%) =Ratedoutput currentActualoutput currentRatedduty cycle (%)x2For your reference:Duty cycle: The percentage ratio of loading time to full time. A cycle of the full time shall be 10 minutes.Rated duty cycle: means the rate of use when loading the rated output current intermittently at the rated inputvoltage of the rated frequency. Regarding the engine-driven welding power unit, however, it means when driving it atthe rated number of revolution.L4HLW机型 W H DYD-500GL4HG 380 612 772（单位：mm）N