The Lambda/TDK EMI TCR50T200-1 is a 10 kW programmable DC power supply delivering 0–20 V at 0–50 A output with precision voltage and current regulation. This unit integrates internal RFI filtering with ferrite toroidal chokes and VDE-listed capacitors, achieving 1000× conducted RFI reduction compared to legacy SCR designs while meeting VDE 875 Level N and VDE 871 Level A standards.
Technical Specifications
Input Power
• AC input: 208/220 VAC (190–253 V operating range)
• Single-phase 85–265 VAC, 47–63 Hz
• Soft-start topology eliminates magnetic inrush current
• Power thermistors limit inrush transients
• Minimum 83% efficiency at low AC line, 100% rated load
Output
• Voltage: 0–20 V
• Current: 0–50 A
• Power: 10 kW rated
Regulation & Stability
• Constant Voltage Mode: <0.1% variation (5%–100% load, 50%–100% output); <0.05% below 50% output
• Constant Current Mode: <0.1% variation (5%–100% voltage, 50%–100% output); <0.05% below 50% output
Protection
• Over Voltage Protection (OVP) with inverter shutdown and manual reset
• Non-adjustable trip level
– Key Features
• Integrated RFI/EMI filtering using ferrite toroidal inductors and X/Y capacitor networks
• VDE 875 Level N and VDE 871 Level A compliance for conducted EMI reduction
• Soft-start input stage prevents power-on transients
• Dual-mode operation: constant voltage or constant current regulation
– Typical Applications
Precision industrial test equipment, semiconductor characterization, battery charging systems, and laboratory power distribution where stable low-voltage, high-current DC output and EMI compliance are required.
– Compatibility & Integration
Designed for 208/220 VAC single-phase mains input with optional 200 VAC availability. Output derating applies below 115 VAC input.
