Sorensen DCS20-50E

The Sorensen DCS20-50E is a 1 kW DC power supply engineered for laboratory, industrial, and ATE applications requiring precise voltage and current control. It delivers 0–20 VDC at up to 50 A with excellent regulation and low output noise. High-frequency switching regulator technology enables compact 1U rackmount packaging without compromising performance.

– Technical Specifications

Output and Power
• Output voltage: 0–20 VDC
• Output current: 0–50 A
• Power rating: 1000 W
• Combined regulation (line & load): 0.2%
• Constant voltage ripple (rms): 4 mV
• Constant voltage noise (peak-to-peak): 60 mV
• Transient response time: 500 µs
• Voltage temperature coefficient: 0.02% / °C
• Voltage drift: 0.05% of Vmax

Input Specifications
• Input voltage: 100–132 VAC or 200–250 VAC, single phase, 47–63 Hz (selectable via internal jumper)
• Typical input current: 15 A @ 100–132 VAC; 8 A @ 200–250 VAC
• Option M1 available for factory-configured 115 VAC input

Physical
• Dimensions: 43 mm H × 482 mm W × 445 mm D (1U rackmount)
• Weight: 19 lb (8.6 kg)

– Key Features

• Ten-turn potentiometers for high-resolution voltage and current setting
• Simultaneous digital display of voltage and current output
• Automatic crossover between constant voltage and constant current modes
• Remote sensing (standard) to compensate for voltage drops up to 1 V per lead
• Adjustable crowbar-type over-voltage protection (5–110% of rated output)
• Remote programming for voltage, current limit, and OVP with selectable constants (0–10 V or 0–5 V)
• External TTL, AC, or DC shutdown inputs
• Remote monitoring indicators for OVP status, local/remote mode, thermal shutdown, and output parameters
• Parallel and series interconnection capability for increased current or voltage output

– Typical Applications

Laboratory power systems, automated test equipment (ATE), industrial process control, and precision device characterization requiring stable, programmable DC supplies.

– Compatibility & Integration

Programming constants available at 250 Ω/V for analog control. Standard remote sensing and external shutdown capability enable integration into larger test and measurement systems.