The Sorensen SRL60-4 is a benchtop/rack-mounted DC power supply delivering 60 Vdc at 4 A (250 W maximum) for electronics testing, development, and laboratory applications. Built on SCR pre-regulation and linear series pass architecture with convection cooling, this unit provides precise voltage and current regulation with automatic crossover between modes. Front-panel adjustment of overvoltage protection and set points requires no load or AC power removal, streamlining setup and troubleshooting workflows.
Technical Specifications
Output Ratings
• Maximum voltage: 60 Vdc
• Maximum current: 4 A
• Maximum power: 250 W
Constant Voltage Mode
• Line and load regulation: 0.01% or 2 mV (whichever greater)
• Temperature coefficient: 0.01% + 0.2 mV/°C
• Stability (8 hr, post warm-up): 0.025% + 0.5 mV
• Ripple (RMS): 200 µV
• Transient response: 150 µs to ±10 mV (0–100% load step)
• Remote sensing: 1 V maximum drop per load lead
Constant Current Mode
• Line or load regulation: 0.02% + 6 mA
• Temperature coefficient: 0.01% + 2 mA/°C
• Stability (8 hr, post warm-up): 0.03% + 10 mA
• Ripple (RMS): 0.5–10 mA
• Minimum current: Adjustable to zero
AC Input
• Voltage: 105–125 Vac single phase
• Frequency: 47–63 Hz (no derating)
Environmental
• Operating temperature: 0°C to +70°C
• Storage temperature: −40°C to +85°C
• Weight: 44 lbs (20.0 kg)
– Key Features
• Automatic voltage/current mode crossover
• Adjustable crowbar overvoltage protection (10 µs operation)
• Resistance programming: 200 Ω/V standard (adjustable to 1000 Ω/V)
• Volt-per-volt voltage programming
• Remote sensing via rear terminal connection
• Front-panel OVP adjustment without load or AC power removal
– Typical Applications
Component characterization, power supply validation, battery charging, load simulation, and circuit development in benchtop and rack-mount configurations.
– Compatibility & Integration
Programming and remote sensing via rear terminal board. Chassis slides available.
