The Ametek/Elgar/Sorensen DCS40-75E is a 3 kW programmable DC power supply delivering 0–40 VDC at 0–75 ADC for demanding R&D, manufacturing, and automated test applications. Built in a compact 1U chassis, it combines precision voltage and current regulation with dual-mode operation, remote programming via Ethernet/RS-232/IEEE-488.2, and comprehensive protection. Ten-turn potentiometers enable high-resolution front-panel control, while simultaneous digital metering and selectable remote sensing accommodate varied test configurations.
– Technical Specifications
Output Characteristics
• Voltage: 0–40 VDC
• Current: 0–75 ADC
• Power: 3 kW (3000 W)
• Line and load regulation: 0.2%
• Constant voltage ripple (RMS): 20 mV
• Constant voltage noise (peak-to-peak): 100 mV
• Transient response: 1 ms typical
• Meter accuracy: ±1% of full scale + 1 count
• Voltage drift: 0.05% Vmax typical
• Temperature coefficient (voltage): 0.02%/°C typical
Input Power
• AC input: 190–250 VAC, three-phase, 47–63 Hz (configurable for 200–250 VAC single-phase at 2500 W reduced capacity)
• Input current: 14 A (three-phase), 20 A (single-phase)
Remote Sensing & Programming
• Maximum sense line drop: 1 V/line for 3 kW models
• Voltage programming: LXI-compliant Ethernet LAN / RS-232C (16-bit); IEEE-488.2 / RS-232C (12-bit); isolated analog (optional)
• Programming constant (voltage): 125 Ω/V; 0–10 V or 0–5 V = 0–100% V₀
– Key Features
• Constant Voltage and Constant Current modes with automatic crossover
• Ten-turn potentiometers for precise output control
• Simultaneous voltage and current digital display
• Over-voltage protection adjustable 5–110% of rated output
• External TTL/AC/DC shutdown and remote start/stop (TTL or 12–250 VAC / 12–130 VDC)
• Over-temperature protection with LED indicators and automatic shutdown
• Internal fan cooling
• Stackable in parallel or series configurations
– Safety & Standards
UL/CSA 61010 and IEC/EN 61010-1 certified; CE compliant (LVD and EMC directives).
– Physical Specifications
• Dimensions: 482 mm W × 445 mm D × 87 mm H (1U profile)
• Weight: 33 lb
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