Adjustable switch power supply with PFC function

Main technical specifications, parameters, and indicators
1. Input parameters:
Single phase two-wire system, AC input voltage: 220V ± 15%, frequency: 45~55Hz
2. Output parameters:
DC output voltage: continuously adjustable from DC0 to 60V
DC output current: continuously adjustable from DC0 to 50A
3. Source voltage regulation rate: voltage stabilization ≤ 0.5%; Load adjustment rate: voltage stabilization ≤ 1%
4. Ripple factor: ≤ 1%;
5. Voltage stabilization accuracy: ≤± 1%;
6. Power factor: ≥ 98%;
7. Overall efficiency: ≥ 90%;
8. Output voltage: display accuracy ± 1.5%; Output current: display accuracy ± 2%;
9. Power on output voltage overshoot: ≤ 2%;
10. Insulation resistance: input-output: ≥ 20M Ω;
Input - chassis: ≥ 20M Ω;
Output - chassis: ≥ 80M Ω;
11. Insulation strength: Input output: AC1500V, 10mA, 1 minute;
Input - chassis: AC1500V, 10mA, 1 minute;
Output - Chassis: AC1500V, 10mA, 1 minute;
12. The temperature threshold for overheat protection of the whole machine is (85-90) ℃;
13. Mean time between failures: ≥ 50000 hours;
14. Dimensions: 185 (width) x 140 (height) x 400 (depth) mm;
15. Whole machine weight: approximately 6kg.