The Ametek / Xantrex / Sorensen XFR 60-20 is a 1200 W programmable DC power supply delivering 0–60 Vdc at 0–20 A with precise voltage and current control. Built on soft-switching technology operating at 62.5 kHz nominal switching frequency, the unit minimizes switching transients, achieving 85% typical efficiency while reducing heat generation and improving reliability. Dual-mode operation—Constant Voltage (CV) and Constant Current (CC)—with automatic crossover and mode indication suits demanding lab and production environments. The supply accepts single-phase AC input from 85–130 Vac or 190–264 Vac (47–63 Hz), drawing 17 A typical at 120 Vac or 8.8 A typical at 230 Vac.
Technical Specifications
Output Performance
• Output power: 1200 W
• Voltage range: 0–60 Vdc
• Current range: 0–20 A
• Line regulation: 8 mV (voltage); 4 mA (current)
• Load regulation: 0.02% of Vmax + 5 mV typical 3 mV (voltage); 0.02% of Imax + 5 mA typical 9 mA (current)
• Output noise (0–20 MHz): 55 mVp-p
• Output ripple: 6 mV rms (voltage); 15 mA rms (current)
• Programming resolution: 9.3 mV (voltage); 2.6 mA (current)
• Programming accuracy: ±0.12% typical (voltage); ±0.1% typical (current)
Metering
• Voltage meter accuracy: 1% of Vmax + 1 count (0.7 V typical)
• Current meter accuracy: 1% of Imax + 1 count (300 mA typical)
• Simultaneous digital display of voltage and current
Protection & Thermal
• Programmable over-voltage protection (OVP) with reset
• Over-temperature protection (standard)
• Thermal shutdown (standard)
• Output standby mode (front panel controllable)
– Key Features
• Remote sense with 5 V line loss compensation
• Ten-turn potentiometers for manual voltage and current adjustment
• Front panel push-buttons for output standby and setpoint preview
• Maximum warm-up time: 30 minutes
• 1U rack form factor (1.71 × 19.0 × 20.0 inches)
– Interfaces & Integration
Front-panel analog programming via 0–5 kΩ or 0–10 kΩ resistances, or 0–5 V and 0–10 V voltage sources. Analog monitoring outputs available (0–5 V or 0–10 V). Optional interfaces include RS-232, GPIB (IEEE 488.1), isolated analog control (ISOL), and Ethernet/RS-232. LabVIEW® and LabWindows® drivers are available.
– Typical Applications
Benchtop characterization, automated production test, R&D prototyping, and rack-integrated system environments requiring stable, programmable DC supplies with low output noise and fast transient response.
