KORAD KD3300 Series DC Power Supply User Manual
- June 1, 2024
- KORAD
Table of Contents
KORAD KD3300 Series DC Power Supply User Manual
Main Features
30VX2,SV/3.3V/2/SVX1
l0MVlmA Hight accuracy resolution dc power supply
Low noise
Cooling fan controlled by
Heatsink temperature
Constant voltage/ constant
Digital panel control
4 digits display
Software calibration
Button lock function
Output ON/OFF control
standard interfaces: USB, RS232 & LAN (only for KD3303P &KD330SP)
SAFETY INSTRUCTION
- To ensure fire protection, replace the fuse only with the specified type and rating.
- Disconnect the power cord before fuse replacement.
- Make sure the cause of fuse blowout is fixed before fuse rep la cement.
Specifications
Note: The specifications below are tested under the conditions of temptation 25 °C +-5 °C and the warm-up for 20 minutes.
DISPLAY
1. The adjusting method of voltage and current on the CH1 and CH2:
press the adjusting knob of CH1 or CH2 and then the according digit indicator
will blink. At this time, rotate the knobs and then the voltage or current
will increase or decrease progressively on the adjusted digit. Continuously
press the knobs and the adjusted digit will be changed, meanwhile, the
corresponding digit indicators will light on and blink.
The adjusting method of voltage the CH3:
Press and hold the button CH3 for 2 seconds, then the voltage on CH3 will
switch to another one in this cycle 2.SV, 3.3V and SV. And the according
indicators will light on as well.
2. The Series and Parallel Operation
- The Series Operation: Press and hold the button SER for 1 seconds to be in the series mode. When the SER indicator on the display lights on, it means the power supply is in the series mode now. At this mode, CH2 is the master operation while CH1 is the slave operation, when the CH1 operation is shielded. At this time, press the button ON/OFF and then the output can be turned on or off. And the output connection is as shown in the figure:
- The Parallel Operation: Press and hold the button PARA for 1 seconds to be in the parallel mode. When the PARA indicator on the display lights on, it means the power supply is in the parallel mode now. At this mode,
CH2 is the master operation while CH1 is the slave operation, when the CH 1 operation is shielded. At this time, press the button ON/OFF and then the output can be turned on or off. And the output connection is as shown in the figure:
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