Xantrex XHR300-3.5

The Xantrex XHR300-3.5 is a 1000 W programmable DC power supply engineered for benchtop research, system integration, and OEM test applications. Operating from 0–300 V DC at up to 3.5 A, it delivers highly regulated output with exceptional stability and low noise across demanding measurement scenarios. The compact half-rack footprint (3.4 × 8.5 × 18.6 inches) integrates efficiently into test consoles and integrated systems while maintaining thermal management via internal cooling.

– Technical Specifications

• Output Power: 1000 W (975–1089 W depending on variant and measurement conditions)
• Voltage Range: 0–300 V DC
• Current: 3.5 A DC maximum
• AC Input: 85–250 VAC, 47–63 Hz (universal)
• Power Factor Correction: ≥0.99 at full load, 120 VAC input
• Efficiency: 85%
• Line Regulation (Voltage): 10 mV; (Current): 0.5 mA
• Load Regulation (Voltage): 10 mV; (Current): 2.5 mA
• Output Noise (0–20 MHz): 100 mV peak-to-peak
• Output Ripple (rms): 20 mV
• 8-Hour Drift: 150 mV (0.05% Vmax) voltage; 3.5 mA (0.1% Imax) current
• Temperature Coefficient (Voltage): 60 mV/°C; (Current): 1.1 mA/°C
• Remote Sense Compensation: 5 V per line maximum
• Over Voltage Protection: 5–110% of Vmax (15–330 V, adjustable)
• Operating Temperature: 0–40 °C
• Weight: ~14 lb (6 kg)

– Key Features

• Ten-turn front panel knobs for precision voltage and current adjustment
• Simultaneous real-time display of output voltage and current
• Constant voltage or constant current modes with automatic crossover and mode indication
• Remote analog programming with selectable control ranges
• Optional 4-channel isolated programming (ISOL) interface
• Optional RS-232 or GPIB computer control
• External monitor outputs for voltage and current (0–5 V or 0–10 V)
• Zero voltage switching to minimize transient stress
• Latching or auto-reset thermal shutdown protection
• Front or rear panel connector configurations

– Typical Applications

• Research and development test benches
• Component characterization and validation
• System integration and burn-in testing
• Laboratory measurement and instrumentation
• OEM manufacturing support

– Compatibility & Integration

Front panel binding posts and rear panel connectors support flexible system configuration. Remote sense capability enables precision voltage delivery across extended cable runs. Programming interfaces accommodate analog control, isolated multi-channel operation, and computer automation via industry-standard RS-232 and GPIB protocols.