The Power Ten R66E-50400 is a 10 kW switch-mode DC power supply engineered for industrial and laboratory environments requiring high current delivery and tight voltage regulation. Operating from three-phase AC input (190–528 VAC, 47–63 Hz), this unit delivers 0–50 VDC at 400 A with 75 mV peak-to-peak ripple. The R66E-50400 combines PWM and zero-crossing switching topology to achieve high efficiency and dense packaging in a standard 3U rackmount form factor. Conservative component derating and thermal design ensure reliability in demanding continuous-duty applications.
Technical Specifications
• Output: 0–50 VDC, 400 A (10 kW)
• Peak-to-peak ripple & noise: 75 mV typical
• Output interface: Bus bars with 0.390″ mounting holes
• Input: 3-phase AC, 190–253 VAC or 360–440 VAC or 432–528 VAC (all 47–63 Hz)
• Input current @ 208 VAC: 41 A typical
• Line regulation: 0.1% of maximum rated output voltage
• Load regulation: 0.1% of maximum rated output voltage (0–100% load)
• Current regulation: 0.5% of maximum rated output (load variation)
• Transient response: ±2% recovery within 10 msec for 30% current step
• Stability: ±0.05% per 8 hours (post warm-up)
• Temperature coefficient: 0.02%/°C of maximum output voltage rating
– Key Features
• Accepts delta or wye three-phase sources
• Remote on/off control via contact closure (6–120 VDC, TTL/CMOS compatible)
• Output voltage and current monitoring terminals
• Over-voltage protection (OVP) limit adjustment
• Remote voltage sensing to compensate line drop
• Summary fault status output
• Optional IEEE 488.2 and RS-232 remote programming with SCPI protocol
• Optional slave interface for multi-channel bus control
• Optional control signal isolation for floating applications
– Typical Applications
Electroforming, electroplating, materials testing, industrial process control, and laboratory bench power.
– Compatibility & Integration
The R66E-50400 integrates into the Power Ten P63/P66 series architecture. Computer control and monitoring is available through optional IEEE 488.2 or RS-232 interfaces supporting SCPI commands.















