The Sorensen DCS40-75 is a 3000 W programmable DC power supply engineered for research, development, industrial, and ATE environments. Built on high-frequency switching technology, it delivers continuous full output power across its entire rated voltage and current range while maintaining a compact, low-profile form factor optimized for rack integration. The unit combines precise analog control with digital monitoring, adjustable protection features, and optional remote programming to support demanding bench and system-level test applications.
Technical Specifications
Output Ratings
• Output Power: 3000 W
• Output Voltage: 0-40 VDC
• Output Current: 0-75 ADC
Input Requirements
• Input Voltage (3 kW models): 190-250 VAC, three phase, 14 A
Regulation & Stability
• Line and Load Combined: 0.2%
• Voltage (Line/Load): 0.1%
• Current (Line/Load): 0.1%
• Ripple and Noise (Constant Voltage, RMS): 20 mV
• Ripple and Noise (Constant Voltage, Peak-to-Peak): 100 mV
• Temperature Coefficient: 0.02% /°C
• Voltage Drift: 0.05% of Vmax
Programming & Resolution
• Programming Resolution: 0.02%
• Voltage Resolution: 0.02%
• Analog Control: Isolated analog control (optional)
• Remote Programming: Standard on 3 kW models
• Ethernet Interface: Available with high programming resolution
• Control Range: 0-10 V or 0-5 V input maps to 0-100% output
• Meter Accuracy: 1% of full scale + 1 count
Response & Protection
• Transient Response: Recovers within 1 ms to 1% of steady-state voltage
• Over-Voltage Protection: Adjustable with LED indication and push-button reset
• Overtemperature Protection: Indication and shutdown function
• Remote Sensing: Supported; maximum 2 V drop per sense line
• Operating Mode: Automatic Constant Voltage/Current crossover
– Key Features
• Ten-turn potentiometers for precise manual voltage and current adjustment
• Simultaneous digital display of voltage and current
• Remote sensing to compensate for power lead losses
• Push-button output control and protection reset
• Isolated analog programming inputs
– Typical Applications
• Component and module testing in R&D environments
• Automated test equipment (ATE) integration
• Industrial power delivery and burn-in testing
• Precision laboratory power sourcing
