The Xantrex XFR20-61 is a 1200 W programmable DC power supply delivering precise, regulated variable DC output from 0–20 Vdc at 0–60 A. Purpose-built for research, product development, production test, and OEM applications, it combines zero-voltage soft-switching technology with 19-inch rack-mount integration to achieve high efficiency, minimal heat generation, and full-power operation across 0–50°C without derating.
Technical Specifications
• Output Power: 1200 W
• Output Voltage: 0–20 Vdc
• Output Current: 0–60 A
• AC Input Voltage: 190–264 VAC, 1-phase; 85–130 VAC, 1-phase
• AC Input Frequency: 47–63 Hz
• AC Input Current: 22.6 A @ 208 VAC typical; 20.5 A @ 230 VAC typical
• Switching Frequency: 78 kHz nominal (156 kHz output ripple)
• Efficiency: 81% typical at 200 VAC input, rated output power
• Output Voltage Noise & Ripple: 4 mV RMS typical; 50 mVp-p (0–20 MHz)
• Voltage Drift (8 hours): 3.8 mV typical
• Voltage Temperature Coefficient: 1.5 mV/°C typical
• Load Regulation: 0.02% of Vmax + 3 mV (voltage); 0.02% of Imax + 8 mA (current)
• Line Regulation: 0.05% of Vmax + 3.8 mV (voltage); 0.05% of Imax + 6 mA (current) – Key Features • Over Voltage, Over Temperature, and Thermal Shutdown protection; adjustable OVP and standard current limiting
• Ten-turn front-panel voltage and current controls with simultaneous digital readout
• Standby mode and push-button output control
• Voltage, current, OVP, remote programming, and shutdown status LED indicators
• Remote analog programming via selectable resistance (0–5 kΩ, 0–10 kΩ) or voltage (0–5 V, 0–10 V) sources
• Remote analog monitoring outputs (0–5 V, 0–10 V ranges for 0–100% of output)
• Remote sensing with 5 V line loss compensation
• Remote On/Off and interlock with TTL-compatible 2.5–15 V signal input, selectable logic – Typical Applications Research and laboratory testing, prototype validation, production test environments, and OEM integration requiring high-current DC sourcing with tight voltage regulation. – Compatibility & Integration Dense rack mounting without supplemental ventilation between units; full-power delivery across operating temperature range supports multi-unit configurations.















