The Delta Elektronika SM300-10D is a 3000 W programmable DC power supply delivering 0–300 V output voltage at 0–10 A DC current. Built on 200 kHz MOSFET power conversion technology, it achieves 91% efficiency at full load and supports both analog and digital programming via 0–5 V control inputs, Ethernet, IEEE488, or RS232 interfaces.
## Technical Specifications
• Output Power: 3000 W
• Output Voltage: 0–300 V DC
• Output Current: 0–10 A DC
• Input: 3-phase AC at 380 V, 400 V, or 415 V nominal (48–62 Hz)
• Efficiency: 91% at full load
• Power Conversion: 200 kHz MOSFET topology
• Programming: 0–5 V analog; isolated analog option with optional ISO AMP CARD
• Ripple and Noise: Very low output ripple and spikes
• Output Stability: ±(2.10−5 + 10−4) of set value
• Inrush Current: No inrush on switch-on
• Input/Output Insulation: 3750 Vrms
• Transient Response (0–15 V): Rise time 0.36 ms, fall time 0.26 ms; recovery 100 μs (max 50 mV deviation at 2.7 A/μs load step, 50–100% load)
• Manual Control: 10-turn potentiometers, 0.03% resolution
• Operating Temperature: −20 to +50 °C
• Humidity: Up to 95% non-condensing (≤40 °C); 75% non-condensing (≤50 °C)
• Altitude: Maximum 2000 m above sea level
• Weight: 15 kg
## Key Features
• High-efficiency MOSFET design with temperature-adaptive cooling blower
• Master/slave parallel and series operation with equal current and voltage sharing
• Dual voltage and current control modes
• Low-noise operation with stable, low-ripple output
• Optional digital interface cards for networked control
## Typical Applications
Research, development, industrial test systems, and large-system master/slave configurations requiring precision programmable DC power.
