The TDK-Lambda GEN 40-125 is a 5000W programmable DC power supply designed for industrial, OEM, and laboratory applications requiring stable, regulated power delivery. Operating at 40V, 125A, this unit delivers precision voltage regulation with 0.01% line and load stability. It combines high power density in a 2U form factor with flexible control via front-panel interface or remote programming through RS-232/RS-485 serial links, with optional LAN (LXI), USB, GPIB, and isolated analog interfaces available.
## Technical Specifications
• Output: 40V DC (0–40V range), 125A (0–125A range), 5000W rated
• Voltage ripple noise: 0.01 Vrms (5 Hz–1 MHz)
• Current ripple noise: 0.3 Arms (5 Hz–1 MHz)
• Line regulation: 0.01% of rated output voltage maximum
• Load regulation: 0.01% of rated output voltage + 2mV maximum
• Remote programming resolution: 4.8 mV (0.012% of Vo rated)
• Remote programming accuracy: 40 mV (0.1% of Vo rated)
• Input voltage options: 3-phase 208 VAC (170–265 VAC), 400 VAC, 480 VAC (432–528 VAC), or 342–460 VAC
• Input frequency: 47–63 Hz
• Efficiency: 88% typical
• Active power factor correction (three-phase AC input)
• 16-bit ADC and DAC resolution
• Protection: OVP, OCP, OTP, UVL
## Key Features
• Dual voltage/current programming: 0–5V and 0–10V selectable modes
• Analog control via isolated external voltage and current inputs
• Master/Slave configuration for parallel operation with active current sharing
• Auto-Crossover (CV/CC transition), Auto-Re-Start, and Safe-Start functions
• Last-setting memory and front-panel lockout capability
• Encoder-based front-panel adjustment of voltage, current, address, OVP, and UVL
• On/Off switch with selectable output control
## Typical Applications
Manufacturing test benches, system integration labs, burn-in testing, prototype development, and field service environments requiring flexible remote or local control with high current delivery and thermal stability.
## Compatibility & Integration
Standard RS-232 and RS-485 interfaces support global serial commands. Optional LAN (LXI-compliant), USB, and GPIB modules enable integration with automated test systems and networked control environments. External resistance programming and isolated analog monitoring support legacy and custom control architectures.
