EA-PSI 5040-40A 640W Programmable Desktop DC Power Supply

The EA-PSI 5040-40A is a high-performance programmable desktop DC power supply. This microprocessor controlled power supply is engineered for demanding laboratory and industrial testing environments, featuring a wide 90-264V AC input with 45-65Hz input frequency, >0.99 active power factor correction (PFC), and high efficiency up to 92% for global compatibility and minimal energy waste. It delivers a flexible 0-40V DC output, 0-40A output current, and 0-640W output power with an auto-ranging power stage that allows higher voltage at lower current or higher current at lower voltage within the maximum rated power, making it a versatile flexible power regulated output solution for diverse applications. The unit offers industry-leading precision with <0.08% voltage load regulation, <0.02% voltage line regulation, <80mV PP voltage ripple, <10mV RMS voltage ripple, <1ms load regulation time, <0.2% voltage accuracy, <0.2% current accuracy, and <1% power accuracy, ensuring stable low ripple output for sensitive electronic devices and components. It integrates comprehensive protection systems including overvoltage protection (OVP), overcurrent protection (OCP), overpower protection (OPP), and overtemperature protection (OTP) to safeguard both the power supply and connected equipmentdamage. The blue LCD display clearly shows all set values, actual values, and status information simultaneously for real-time monitoring. With 9 preset memory groups, users can instantly recall frequently used output configurations, eliminating repetitive adjustments and improving work efficiency. This remote controlled power supply supports multiple control interfaces: galvanically isolated analog interface for analog controlled power supply applications, USB controlled power supply, and Ethernet controlled power supply, and is fully compatible with SCPI command language, LabView VIs, and Windows control software for seamless integration into automated test systems. The 640W model uses a temperature controlled fan for efficient and quiet thermal management, maintaining optimal operating conditions even under full load. It has compact dimensions of 200x87x331mm and weighs 4.3kg, making it suitable for space-constrained desktop laboratory setups. The 40V model is SELV compliant according to EN 60950 and meets EMC EN 55022 Class B standards for electromagnetic compatibility. Its intuitive control panel with two knobs and five buttons ensures easy operation, and the built-in supervision features help reduce test equipment and eliminate the need for external supervision hardware.

Key Features

• Global Universal Input: 90-264V AC input with 45-65Hz frequency and >0.99 active PFC for worldwide use.
• High Energy Efficiency: Up to 92% efficiency to minimize power consumption and heat generation.
• Flexible Auto-Ranging Output: 0-40V DC, 0-40A, 640W with power regulated stage to cover extensive testing needs.
• Superior Precision & Stability: <0.08% voltage load regulation, <0.02% line regulation, low ripple (<80mV PP/<10mV RMS), and <1ms response time.
• Comprehensive Protection: Integrated overvoltage (OVP), overcurrent (OCP), overpower (OPP), and overtemperature (OTP) protection.
• Convenient Operation & Memory: Blue LCD display, intuitive controls, and 9 preset memory groups for quick setup.
• Multiple Remote Control Options: Galvanically isolated analog, USB, and Ethernet interfaces with SCPI/LabView/Windows software support.
• Efficient Thermal Management: Temperature controlled fan for quiet and reliable cooling under full load.
• Compact & Durable Design: 200x87x331mm dimensions and 4.3kg weight for desktop laboratory use.
• Safety & Compliance: SELV compliant (EN 60950) for 40V models, EMC EN 55022 Class B certified.
• Cost-Effective Solution: Built-in supervision reduces test equipment and eliminates the need for external monitoring hardware.