EA-PUL 10920-250 6U WC Programmable Electronic DC Load with Energy Recovery

The EA-PUL 10920-250 6U WC is a high-power, bidirectional, and regenerative electronic DC load unit designed for demanding test applications. As part of the EA-PUL 10000 6U series, this 60 kW model features an autoranging constant power input stage, accepting a wide DC input range of 0-920 V and 0-250 A, and delivering a power range of 0-60000 W. Its defining feature is energy recovery, feeding up to 96.5% of the absorbed DC power back into the AC grid with high efficiency, significantly reducing operating costs and thermal load. The unit supports CV, CC, CP, and CR regulation modes with fast crossover and high precision via 16-bit ADCs/DACs. Equipped with a galvanically isolated Master-Slave bus and Share-Bus, it can be seamlessly paralleled with up to 63 other units (from 5 kW upwards) to create systems up to 3840 kW. The water-cooling (WC) option ensures efficient thermal management in high-density or high-ambient temperature installations. Standard interfaces include USB, Ethernet, and an analog DB15 port, with optional industrial communication modules (CAN, Profinet, EtherCAT, etc.) available. It is ideal for applications such as high-power battery testing, fuel cell characterization, on-board charger evaluation, and battery recycling.

Key Features

• Regenerative & High Efficiency: Feeds absorbed energy back into the grid with up to 96.5% efficiency, reducing energy costs and cooling requirements.
• Wide Autoranging DC Input: Constant power characteristic across 0-920 V, 0-250 A, and 0-60000 W, offering exceptional flexibility.
• High Power & Scalability: 60 kW per unit; parallel up to 64 units via Master-Slave/Share-Bus for systems up to 3840 kW.
• Multiple Regulation Modes: CV, CC, CP, CR with fast crossover and selectable voltage controller speed (Normal, Fast, Slow).
• Water Cooling Option (WC): Stainless steel water cooling for reliable thermal management in high-power or confined spaces.
• Comprehensive Interfaces: Standard USB, Ethernet, analog I/O; optional CAN, CANopen, Profibus, EtherCAT, Profinet, Modbus.
• Precision & Safety: High measurement accuracy (Voltage ≤0.05% FS, Current ≤0.1% FS), full protection suite (OVP, OCP, OPP, OT), and reinforced insulation (Negative pole to PE: ±1500 V DC, Positive pole to PE: +2000 V DC).
• Application Ready: Perfect for battery (cell/module/pack) testing, fuel cell test, on-board charger test, and battery recycling/discharge.