The Xantrex XFR 60-20 is a 1.2 kW rack-mount programmable DC source designed for precision benchtop and OEM applications. It delivers up to 60 V at 20 A with low noise, tight regulation, and flexible local or remote control.
Key Electrical Specifications
| Parameter | Specification |
|---|
| Output Voltage | 0 – 60 VDC |
| Output Current | 0 – 20 A |
| Maximum Output Power | 1 200 W (1.2 kW) |
| Efficiency | Typically 86 % at full load |
| Input Voltage Range | 85 – 130 VAC or 190 – 264 VAC autoselect |
| Line Frequency | 47 – 63 Hz |
| Power Factor | > 0.99 |
Regulation, Ripple & Noise
- Voltage Regulation: ±0.02 % of full scale plus 2 mV
- Current Regulation: ±0.05 % of full scale plus 2 mA
- Ripple & Noise (20 Hz–20 MHz): < 1 mV rms, < 10 mV p-p
- Temperature Coefficient: ~ 300 ppm/°C
Control & Programming
Front-Panel
- Dual 4-digit LED displays for voltage and current
- Ten-turn potentiometers for coarse/fine adjustment
- Push-button standby, OVP setpoint preview, and mode crossover indicator
Remote Interfaces
- Standard analog programming & monitoring via rear-panel J2 connector
- Optional isolated analog, or digital (GPIB/RS-232) modules for fully automated setups
- Rear-panel SW1 DIP switch selects programming modes and sensing configurations
Protection & Features
- Overvoltage Protection (OVP) with front-panel setpoint preview
- Thermal shutdown with latching or auto-reset modes
- Automatic crossover between constant-voltage and constant-current regulation
- Parallelable for higher current or series-connectable for higher voltage operation
- Zero-voltage “soft switching” topology for low EMI and high reliability
Mechanical & Environmental
- Rack Size: 1.75 inch (1 U) high × 19 inch wide; depth ~12 inch
- Weight: ~30 lb (13.6 kg)
- Cooling: Variable-speed fan, front-to-back airflow
- Operating Temperature: 0 °C to 50 °C
- Humidity: up to 95 % non-condensing
- Mounting: Bench-top feet or 19 in rack ears
Typical Applications
- Research and development test benches
- Burn-in and stress testing of modules
- Magnet and laser diode drive circuits
- Automated production test systems
- OEM integration in ATE racks