EAL Load Bank series: Reliable testing for ground power systems

May 21, 2025

The EAL series by ElectroAir is a comprehensive lineup of advanced load banks designed for testing and validating aircraft ground power units (GPUs) across a wide range of voltage and frequency configurations. These units are crucial for maintenance technicians, engineering teams, and aviation operators who require reliable, real-world simulations of power consumption during service or training.

From lightweight portable devices for on-site diagnostics to high-power systems for intense performance validation, the EAL series ensures accuracy, mobility, and durability. Whether you’re servicing aircraft, testing new systems, or training staff in GPU operation, these load banks provide consistent and safe discharge performance across DC 28V, dual DC 28/56V, and AC 400Hz configurations.

Designed with aviation-grade durability and precision, EAL load banks are trusted in both civil and military environments, offering intuitive controls, overload protection, and seamless integration with ElectroAir’s testing infrastructure.

Full EAL series set with transport case and units

Transportable load bank solutions including EAL-28, EAL-400, and their rugged case.

Why choose EAL Load Banks?

✅ Specifically engineered for testing aircraft ground power units (GPUs), the EAL series meets the rigorous demands of both civil and military aviation environments, ensuring accuracy and reliability in every cycle.

✅ Thanks to their compact form factor, robust frame, and mobility-focused design, EAL load banks are ideal for field use, maintenance hangars, and tight technical spaces where portability is critical.

✅ With power ranges reaching up to 450A / 180kVA, the EAL lineup can simulate real-world electrical loads for virtually any aircraft configuration – from small helicopters to large business jets.

✅ The series supports both DC 28V and AC 400Hz outputs, allowing precise testing of different onboard electrical systems with full compatibility for both legacy and next-gen aircraft.

✅ Seamlessly integrates with ElectroAir GPUs as well as third-party equipment, ensuring versatile deployment and simplified logistics for ground support operations worldwide.

Explore the EAL Load Bank models

The EAL load bank series is designed for precision testing, calibration, and training across aviation and ground support applications. Whether you’re validating GPU performance, simulating real-world electrical loads, or training technical personnel – EAL models provide tailored, portable, and highly reliable solutions.

🔹 EAL-28 – Compact 28V DC load bank for light-duty aircraft testing 🔹 EAL 28/56 – Dual 28V DC channels for GPU diagnostics 🔹 EAL-180 – 400Hz AC load bank for converter testing 🔹 EAL-400 – High-power load bank for heavy-duty use 🔹 EAL-450 – 450A advanced load bank for pro testing

Front and side view of EAL-28 DC load bank

Spotlight: EAL-400

Side panel view of EAL-400 load bank with fan cooling

With its high-capacity output and advanced fan-cooling system, the EAL-400 is ideal for sustained testing of heavy-duty power systems in both civil and defense applications. Built to handle intensive workloads, this model provides accurate load simulation over extended periods, making it an excellent choice for equipment validation and endurance testing.

It features dual control interfaces – including a touchscreen and manual controls – for flexible operation in various settings. The compact, rollable design ensures easy transport and deployment, even in space-constrained environments. Whether you’re working in a laboratory, hangar, or on the airfield, the EAL-400 delivers industrial-grade power with unmatched mobility. Its compatibility with a wide range of GPUs and its stable performance make it a preferred solution for OEM test centers, MRO workshops, and airport service providers worldwide.

Need help choosing the right EAL model?

Our technical experts are ready to assist. From mobile maintenance kits to high-end testing stations, we’ve got you covered.

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