BKPRECISION 9103 DC Power Supplies (0 - 42 VDC, 0 - 20 A, 320 W)
Output Rating
Variable Output Voltage: 0–42 VDC
Variable Output Current: 0–20 A
Maximum Output Power: 320 W
Voltage Regulation
Load (0–100% of rated current): ≤ 120 mV
Line (90–264 VAC variation): ≤ 10 mV
Current Regulation
Load (10–90% rated voltage): ≤ 50 mA
Line (90–264 VAC variation): ≤ 10 mA
Ripple & Noise
Ripple & Noise Voltage (RMS): ≤ 8 mVrms
Ripple & Noise Voltage (Peak-to-Peak): ≤ 80 mVp-p
Ripple & Noise Current (Peak-to-Peak): ≤ 200 mA
Meter Type & Accuracy
Voltage Meter: 4-digit LED display, ±(0.1% + 5 counts)
Current Meter: 4-digit LED display, ±(0.1% + 5 counts)
Output Resolution
Output Voltage: 0.02 V
Output Current: 0.01 A
Output Setting Accuracy
Output Voltage: ±(0.2% + 0.05)
Output Current: ±(0.2% + 0.05)
General
AC Input: 90–264 VAC, 45–65 Hz
AC Input Fuse: T5AL250V
Power Factor Control: Power factor correction > 0.91 at optimal load
Full Load Input Current: ≤ 1.8 A (230 VAC); ≤ 4.1 A (100 VAC)
No Load Input Current: ≤ 300 mA (230 VAC / 100 VAC)
Protection Features
Adjustable upper voltage limit
Adjustable upper current limit
Short-circuit protection
Overload protection
Over-temperature protection
Tracking OVP
Switching Frequency: 45–55 kHz
Cooling Method: Thermostatically controlled fan from 0 to full speed
Transient Response Time (50–100% Load): ≤ 2.0 ms
Environment
Operating Temperature: 0°C to +40°C
Working Humidity: 10–80% relative humidity, non-condensing
Storage Temperature and Humidity: -15°C to +70°C; 10–85% relative humidity, non-condensing
Pollution Degree: Class 2
Dimensions and Weight
Dimensions (W × H × D): 200 × 90 × 250 mm (7.9 × 3.6 × 10 inch)
Weight: 2.5 kg (5.5 lb)
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