EA-PS 10750-120 4U 30kW Programmable DC Power Supply

The EA-PS 10750-120 4U is a high-performance programmable DC power supply from the PS 10000 4U Series, designed for demanding medium-voltage industrial test applications such as fuel cell testing, battery simulation, and power electronic validation. With a robust 30 kW output (750 V, 120 A), it delivers precise and stable DC power in a compact 4U rack-mount form factor. The unit supports multiple regulation modes including voltage (CV), current (CC), power (CP), and internal resistance (CR), and features comprehensive protection with overvoltage (OVP), overcurrent (OCP), overpower (OPP), and overtemperature (OT) shutdown. For system scalability, it enables master-slave parallel operation of up to 64 units via Share bus and digital master-slave bus, creating systems up to 1920 kW. Remote control is versatile, offering analog interface (0–5 V / 0–10 V), built-in USB and Ethernet ports, and optional digital interface modules (CANopen, Profibus, EtherCAT, ModBus TCP, etc.). Front-panel USB logging allows data recording to a USB stick at intervals from 500 ms to 5 s. The power supply also supports series connection of identical models and optional SEMI F47 compliance for ride-through during AC sags. With its high accuracy, flexible control, and industrial-grade reliability, the EA-PS 10750-120 4U is an ideal programmable DC power supply and bench power supply for R&D, production, and automated test systems.

Key Features

• High Power Density: Delivers 30 kW output (750 V, 120 A) in a 4U rack-mountable chassis, suitable for medium-voltage industrial test and fuel cell testing environments.
• Multi-Mode Regulation: Operates as a programmable DC power supply with constant voltage (CV), constant current (CC), constant power (CP), and constant resistance (CR) modes for versatile load simulation.
• Master-Slave Parallel Scalability: Supports parallel connection of up to 64 units via Share bus and digital master-slave bus, enabling systems up to 1920 kW with current sharing and centralized control.
• Flexible Remote Control: Offers analog interface (DB15, 0–5 V/0–10 V), USB, Ethernet, and optional digital interfaces (CAN, Profibus, EtherCAT, ModBus TCP) for integration into automated test stands.
• Comprehensive Protection: Includes configurable overvoltage (OVP), overcurrent (OCP), overpower (OPP), overtemperature (OT), and power fail (PF) protections to safeguard both device and load.
• Data Logging & Monitoring: Front-panel USB port records voltage, current, power, and status to CSV files at adjustable intervals (500 ms to 5 s) without a PC.
• Industrial Robustness: Designed for 19" rack installation, with optional water cooling (WC) for reduced noise and better thermal management in cabinet systems.
• Standards Compliance: Optional SEMI F47 feature provides ride-through during AC voltage sags, ensuring uninterrupted operation in critical semiconductor manufacturing and test applications.