Sorensen DCR20-80B

The Sorensen DCR20-80B is an 800 W programmable DC power supply from the DCR-B series, engineered for laboratory, industrial, and burn-in applications requiring stable, adjustable output with precise regulation. The unit delivers 0–20 VDC at up to 80 ADC with automatic voltage-to-current crossover, making it suitable for both constant voltage and constant current operation.

– Technical Specifications

Output Performance
• Maximum output: 0–20 VDC, 80 ADC
• Voltage regulation (line and load): 0.05% or 10 mV, whichever is greater
• Voltage stability: 0.1% of Emax over 8 hours (post 30-minute warm-up)
• Voltage temperature coefficient: 0.015%/°C of Emax
• Current regulation (line and load): 0.05% of Imax
• Current stability: 0.15% of Imax over 8 hours (post 30-minute warm-up)
• Current temperature coefficient: 0.03%/°C of Imax
• Transient response: 50 ms typical for 50% load change

Input Specifications
• Input voltage: 115 VAC single phase (standard); optional 208 VAC, 220 VAC, 230 VAC
• Input frequency: 50/60 Hz (no derating)

– Key Features

• Automatic crossover between voltage and current regulation modes with panel indication
• Remote voltage and resistance programming
• Remote sensing with maximum 5% Emax or 3 V drop per load lead
• Adjustable current limiting with automatic recovery
• Overvoltage protection standard
• Rear terminal board connections

– Typical Applications

Demanding laboratory testing, industrial power delivery, and burn-in test environments where stable DC output and precise load regulation are critical.

– Physical Specifications

Unit weight ranges from 45–53 lbs (21.8–24 kg) depending on configuration; shipping weight 65–73 lbs (29.5–33.1 kg).