The Sorensen DCR150 is a 0–150 VDC power supply designed for industrial, laboratory, and test environments requiring stable voltage and current delivery. The unit automatically crossovers between constant voltage (CV) and constant current (CC) modes, eliminating manual switching and enabling operation across diverse load conditions. Adjustable current limiting with automatic recovery protects against overload and short-circuit faults, while no overshoot occurs at turn-on, turn-off, or power failure.
– Technical Specifications
Output Voltage: 0–150 VDC
Output Current: Available in nine configurations: 1.8 A, 3.6 A, 5 A, 12 A, 18 A, 22.5 A, 35 A, 36 A, and 68 A
Output Power: Up to 750 W, 1800 W, or 2700 W (DCR-B series)
Line Regulation: 0.05% or 75 mV, whichever is greater (0–150 VDC models)
Load Regulation: 0.05% or 75 mV, whichever is greater (0–150 VDC models)
Temperature Coefficient: 0.015%/°C of output voltage, maximum
Stability: 0.1% of output voltage, maximum (8 hours after 30-minute warm-up)
Transient Response: Rapid load and line transient correction
Input Voltage: 103–127 Vac single phase (400–1800 W models); 187–229 Vac single phase (2100–2700 W models); standard 115 Vac nominal with 208/220/230 Vac options
Input Frequency: 49–63 Hz single phase
Isolation Voltage: 1000 Vdc input to output
Operating Temperature: 0°C to 71°C
Storage Temperature: −40°C to +85°C
– Key Features
• Convection cooling (up to 1800 W); fan-assisted cooling for higher wattage models
• Adjustable current limiting with automatic recovery
• Overvoltage protection (optional; standard on DCR-B series)
• Remote sensing for voltage drop compensation in load leads
• Remote shutdown via relay, transistor, or logic switching
– Compatibility & Integration
Programming Options: Resistance, voltage, and current programming
Communication Interfaces: USB, RS232, and GPIB (model and option dependent)
Digital Programmer: Available for DCRB series with IEEE-488/GPIB interface
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