D-5 TECHNICAL SPECIFICATION D-5
P1: Rated Input Power
U0: Rated Open Circuit Voltage
U1: Rated Input Voltage
U2: Rated Load Voltage
~50/60 Hz: AC, Rated frequency 50 Hz, workable frequency 60 Hz.
V: Voltage (V)
A: Current (A)
kVA: Power (kVA)
%: Percentage
A/V ~ A/V: Output range. Rated min and rated max welding current and related load
voltage.
Duty Cycle: The rated duty cycle of a Welding Power Source, is a statement of the time it
may be operated at its rated welding current output without exceeding the
temperature limits of the component parts.
IP21S: Case protection class. IP is the code of International Protection.
2 - Means preventing the user’s finger from accessing dangerous parts; preventing solid
material with the diameter no less than 12.5 mm entering into the cabinet.
1 – Means water dropping vertically remains harmless.
S – Means water protection test is conducted while the movable parts are at standstill.
H: H insulation grade.
Notice: The temperature rise test of the welding power source had been carried out in the room
temperature. The rated duty cycle of 40℃ is obtained by simulation.
Power Source Placement
* Avoid excessive dust, acid and corrosive materials in the air.
* Keep protected from rain and direct sun when in use outdoors.
* There should be 500 mm space about for the welding machine to have good ventilation.
* Use adequate ventilation when in confined areas.
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