WWL-LDX Linear DC Power Supply

Introduction:
The WWL series has high operational reliability and excellent electrical performance. They are industrial power supplies for universal purpose which can be used as a variable source for research and development and long-term aging test.

Features:

1. Over 300 models available
2. Power range: 0~700V; 0 - 500A (optional)
3. Automatic diversion between constant voltage mode and constant current mode
4. Low ripple and noise rate
5. Fast response
6. Constant current can be checked or set during operation
7. Low input current, high reliability, higher efficiency and less line distortion due to the choke input circuit
8. Over voltage protection unit (OVP) is equipped as standard
9. Output on/off switch
10. Remote sensing terminals (optional)
11. Operating status is indicated by LED
12. External analog control (optional)
13. 16 bit D/A card for PC ISA (optional)

Electrical Characteristics

1. Input / Output:
   Input: Single-phase 220V±10% AC, 50Hz±10%
   Output:DC C.C. and/or C.V.
   Max output: on demand
2. Accuracy (C.V.) :
   Line regulation (198-242V): ≤0.1% Of the rated value
   Stability: (during 8 hrs) ≤0.3% of the rated value
   Temp. coeff.offset: ≤0.04% of the rated value／℃
   Load regulation (load 0~100%): ≤0.2% of the rated value
3. Accuracy (C.C.):
   Line regulation(198-242V): ≤0.1% Of the rated value
   Stability: (during 8 hrs): ≤0.3% of the rated value
   Temp. coeff.offset: ≤0.04% of the rated value／℃
   Load regulation (load 0~100%): ≤0.2% of the rated value
4. Ripple +noise(r.m.s): C.V: ≤0.1% of the rated value+10mV (80%~100% rated output)
5. Programming Output voltage: Adjustable (0~rated value) or CV
6. Programming output current: Adjustable (0~rated value) or CC
7. Adjusting mode: 10-turn Potentiometer
8. Dynamic characteristic:
   Transient response time: ≤160ms (50%~100% rated output voltage)
   Off-load voltage overshoot range: ≤5% rated voltage (50%~100% rated output voltage)
9. Protections function: Automatic protection when over voltage / over current
10. Short protection: Withstand long-term short
11. Working mode: Withstand long-term continual working at full load
12. Read output: Digital LED
13. Display precision: Depends on output specification
14. Display accuracy: ≤±1%±1digit (range:5%~50% of the rated value)
    ≤±0.5%±1digit (range:50%~100% of the rated value)
15. Load characteristic: on demand
16. Operating condition:
    Location: indoor use only
    Temperature:-20°C ~ +40°C
    Humidity:≤80%
17. Spare parts: Company standard (fuse1set, main board1pc, operation CD*1pc)