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Compact, Programmable, and Sustainable DC Load | 1.5 kW - 3 kW

ELR 10000 2U

The ELR 10000 2U series offers a compact yet powerful solution for programmable electronic DC load applications. With a maximum power output of 1.5 kW to 3 kW and energy recovery efficiency exceeding 95%, this series is designed to deliver reliable performance while minimizing energy costs. Its advanced autoranging capabilities, intuitive TFT touchscreen interface, and built-in function generator make it an ideal choice for testing batteries, fuel cells, and renewable energy systems in laboratory and industrial settings.

Key Features

Energy Recovery Technology: Converts consumed DC energy back into AC with up to 95% efficiency, reducing operational costs and environmental impact.

Compact Design: Fits into a 2U enclosure, providing powerful functionality in a small form factor.

Wide Voltage and Current Ranges: Supports voltages from 0–80 V to 0–1500 V and currents up to 120 A, making it versatile for various applications.

Integrated Function Generator: Includes predefined and customizable waveforms for precise testing and simulation.

Flexible Interfaces: Built-in USB, Ethernet, and analog ports, with optional industrial interfaces like Profinet, CANopen, and Modbus.

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Why Partner with W5 Engineering?

Expertise

At W5 Engineering, we specialize in power electronics, providing unmatched knowledge of EA Powered products. Our team of technical sales engineers ensures you find the perfect solution for even the most complex requirements.

Custom Solutions

We deliver customized configurations and integrations tailored to your unique applications. Whether for R&D, production, or testing, W5 Engineering ensures your power systems meet exact specifications.

Rapid Shipping

With on-hand inventory and advanced logistics, we minimize lead times to keep your projects on track. Enjoy seamless delivery and peace of mind with our reliable shipping network.

Customer Support

Our dedicated support and technical teams are with you every step of the way, offering expert assistance from installation to troubleshooting. We’re committed to your success with responsive service and training.

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Available Models

Product Information

Specifications

Interfaces and Software

Resources

Available Models

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Product Information

Unleash Efficiency and Versatility with the ELR 10000 2U

The ELR 10000 2U series redefines efficiency and versatility in programmable electronic DC loads. With power outputs of up to 3 kW and energy recovery efficiency exceeding 95%, these devices provide cost-effective solutions for demanding applications such as battery testing, fuel cell research, and renewable energy system evaluation. The compact 2U design optimizes rack space without compromising performance, making it an excellent choice for laboratories and industrial facilities alike.

Equipped with flexible autoranging input stages, the ELR 10000 2U series ensures consistent power delivery across a broad range of voltages and currents. The integrated function generator supports predefined waveforms like sine, triangle, and square, while also allowing for custom simulations. This adaptability makes it ideal for simulating real-world conditions and conducting precise, repeatable testing.

The ELR 10000 2U series is designed with the modern user in mind, offering a color TFT touchscreen interface for intuitive control and comprehensive connectivity options, including USB, Ethernet, and optional industrial interfaces. Its robust master-slave configuration supports parallel operation of up to 64 units, enabling scalable solutions for high-power applications. With its compact form, high efficiency, and advanced features, the ELR 10000 2U series delivers unmatched value for engineers and researchers.

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Specifications

AC Input

- Voltage, Phases:
  - 110 V / 120 V / 208 V / 220 V / 230 V / 240 V ±10%, 1ph AC
    (110 V / 120 V 1ph with derating, see model table)
- Frequency: 45 – 66 Hz
- Power Factor: >0.99
- Leakage Current: < 3.5 mA
- Overvoltage Category: 2
- Pollution Degree: 2

DC Input (Static)

- Load Regulation CV: ≤0.05% FS (0 – 100% load, constant input voltage and constant temperature)
- Line Regulation CV: ≤0.01% FS (110 V – 240 V AC +10% input voltage, constant load and constant temperature)
- Stability CV: ≤0.02% FS (over 8 hrs interval following 30 minutes warm-up, constant input voltage, load, and temperature)
- Temperature Coefficient CV: ≤30 ppm/°C (following 30 minutes warm-up)
- Compensation (Remote Sense): ≤5% UNominal
- Load Regulation CC: ≤0.1% FS (0 – 100% load, constant input voltage and constant temperature)
- Line Regulation CC: ≤0.01% FS (110 V – 240 V AC +10% input voltage, constant load, and constant temperature)
- Stability CC: ≤0.02% FS (over 8 hrs interval following 30 minutes warm-up, constant input voltage, load, and temperature)
- Temperature Coefficient CC: ≤50 ppm/°C (following 30 minutes warm-up)
- Load Regulation CP: ≤0.3% FS (0 – 100% load, constant input voltage, and constant temperature)
- Load Regulation CR: ≤0.3% FS + 0.1% FS current (0 – 100% load, constant input voltage, and constant temperature)

Protective Functions

- OVP: Overvoltage protection, adjustable 0 – 110% UNominal
- OCP: Overcurrent protection, adjustable 0 – 110% INominal
- OPP: Overpower protection, adjustable 0 – 110% PNominal
- OT: Overtemperature protection (output shuts down in case of insufficient cooling)

DC Input (Dynamic)

- Rise time 10 – 90% CC: ≤10 ms
- Fall time 90 – 10% CC: ≤10 ms

Display Accuracy

- Voltage: ≤0.05% FS
- Current: ≤0.1% FS

Insulation

- AC input to DC input: 3750 Vrms (1 minute, creepage distance >8 mm) *1
- AC input to case (PE): 2500 Vrms
- DC input to case (PE): Depending on the model, see model tables
- DC input to interfaces: 1000 V DC (models up to 360 V output), 1500 V DC (models from 500 V output)

Interfaces (Digital)

- Built-in, galvanically isolated:
  USB, Ethernet (100 MBit) for communication, 1x USB host for data acquisition
- Optional, galvanically isolated:
  CAN, CANopen, RS232, ModBus TCP, Profinet, Profibus, EtherCAT, Ethernet

Interfaces (Analog)

- Built-in, galvanically isolated: 15 pole D-Sub
- Signal range: 0 – 10 V or 0 – 5 V (switchable)
- Inputs: U, I, P, R, remote control on/off, DC input on/off, resistance mode on/off
- Outputs: Monitor U and I, alarms, reference voltage, status DC input, status CV/CC
- Accuracy U / I / P / R: 0 – 10 V: ≤0.2%, 0 – 5 V: ≤0.4%

Device Configuration

- Parallel Operation: Up to 64 units of any power class in the 10000 series, with Master-Slave Bus and Share Bus

Safety and EMC

- Safety Standards: EN 61010-1, IEC 61010-1, UL 61010-1, CSA C22.2 No 61010-1, BS EN 61010-1
- EMC Compliance: EN 55011 (Class B), CISPR 11 (Class B), FCC 47 CFR part 15B (Class B)
- EN 61326-1 Includes tests: EN 61000-4-2, EN 61000-4-3, EN 61000-4-4, EN 61000-4-5, EN 61000-4-6
- Safety Protection Class: Class 1
- Ingress Protection: IP20

Environmental Conditions

- Operating Temperature: 0–50 °C (32–122 °F)
- Storage Temperature: -20–70 °C (-4–158 °F)
- Humidity: ≤80% relative humidity, non-condensing
- Altitude: ≤2000 m (≤6,600 ft)
- Pollution Degree: 2

Mechanical Construction

- Cooling: Forced air flow from front to rear (temperature-controlled fans)
- Dimensions (W x H x D): 19” x 2U x 668 mm
- Weight: 1.5 kW unit: 12kg (26.5 lb), 3 kW unit: 14.5 kg (32 lb)