ElectroAir Load Banks: shortest delivery time on the market
In aviation, lead time isn’t a procurement detail it’s operational risk. When a GPU is waiting for acceptance testing, when an MRO shop needs repeatable loads for troubleshooting, or when commissioning must happen on a fixed project schedule, a “standard” load bank lead time can quietly stretch into months.
ElectroAir’s EAL Load Bank series is built for real-world GPU testing across AC 400 Hz and DC 28V configurations and it’s also built for speed. Standard EAL configurations ship with lead times starting from 2 weeks, while many buyers report market quotes of 20+ weeks for comparable made-to-order solutions.
If your goal is simple: validate, calibrate, train, and keep aircraft ground power systems ready the fastest path is the one that arrives on time.
🔹 Why load banks take months
🔹 How we deliver in as little as 2 weeks
🔹 400 Hz load bank checklist
🔹 EAL models for GPU testing
🔹 Info needed for 2-week build
🔹 FAQ
Why lead time is the hidden cost in aircraft ground power testing
Load banks are often purchased “when needed most”: during commissioning, urgent maintenance cycles, peak season, or compliance-driven testing. Long lead times typically create one of these outcomes:
• delayed GPU commissioning or acceptance testing,
• extended downtime for serviceable equipment waiting on verification,
• higher rental and subcontracting costs as a workaround,
• compressed maintenance windows and rescheduled manpower,
• increased operational exposure when testing is postponed “until the load bank arrives”.
But for airports, MROs, and ground handling organizations, the fastest delivery isn’t about convenience it’s about keeping the ramp predictable.

The market reality: why many load banks take 20–30+ weeks
In most industrial supply chains, load banks are treated as low-volume, highly customized equipment. Long delivery cycles are often driven by:
• component availability (power elements, switching, controls),
• custom enclosure and cabling work,
• factory test capacity and documentation queues,
• shipping constraints for heavy equipment.
That’s why many aviation teams only start searching once they feel the pain and by then, the schedule is already at risk.

Our approach: how we deliver with lead times starting from 2 weeks without cutting corners
The EAL series isn’t a one-off engineering project each time; it’s a product family purpose-built for aviation ground power testing, combining standardized configurations for DC 28V, DC 28/56V, and AC 400 Hz with a compact, rugged, mobile design that works in the field, hangars, workshops, and training environments. Across the range, we focus on real-life usability and safety intuitive controls, overload protection, and aviation-grade durability with compatibility for both ElectroAir GPUs and third-party equipment.
Specs that matter when selecting a 400 Hz load bank for GPU testing
If you’re buying for aviation use, the “right” load bank is the one that produces repeatable results under the same constraints as the ramp or hangar. Use this checklist as a practical filter:
• Frequency: AC 400 Hz,
• Voltage: match your GPU output (often 115/200V for 400 Hz systems),
• Load type: resistive (and reactive if required by your test method),
• Duty cycle & cooling: sustained tests require thermal headroom,
• Mobility: wheels/handles/casework for airside or workshop movement,
• User interface: clear load selection and diagnostics,
• Protection: overload protection, safe switching and monitoring,
• Documentation: test reports and manuals for traceability and training
ElectroAir’s EAL series is positioned specifically around these aviation-use realities from lightweight portable units to high-power models intended for intensive performance validation.
EAL Load Bank models for aviation GPU testing
The EAL lineup covers both DC and AC 400 Hz testing needs, supporting applications from routine output checks to heavy-duty endurance testing.
EAL-28
A compact 28V DC load bank for regular GPU output testing and day-to-day verification workflows.
EAL 28/56
A dual-channel solution supporting 28V and 56V systems — useful when diagnostics must cover more than one DC configuration.
EAL-180
Designed for higher-capacity diesel generator testing, ElectroAir presents EAL models spanning from portable units to high-power systems for performance validation.
EAL-400
A compact, fully independent portable 144 kW/ 180kVA load bank for 400 Hz GPU testing and performance verification — lightweight and mobile for routine checks during maintenance, adjustment, and commissioning workflows.
EAL-450
A heavy-duty, portable, trolley – mounted fully independent load bank for maintenance, testing, and adjustment of 400 Hz / 28.5 V GPUs — enabling engine-start simulation and regular performance checks to minimize servicing time. Combination of all possible load banks (400Hz resistive and reactive, 28 V DC. 56 VDC. 50/60Hz).
What we need from you to confirm the 2-week delivery
To quote accurately and lock the fastest production slot, send:
• required AC 400 Hz and/or DC 28V configuration,
• target load (kW/kVA or current requirement),
• intended duty cycle (short tests vs sustained endurance testing),
• usage environment (hangar, workshop, airfield),
• mobility requirements (portable case vs rollable unit),
• delivery destination and required ship date
FAQ
What is a 400 Hz load bank used for in aviation?
A 400 Hz load bank applies a controlled electrical load to a GPU or 400 Hz power source to verify output performance under realistic demand. This supports commissioning, maintenance validation, and troubleshooting workflows.
Do I need DC load testing as well as 400 Hz?
Many aviation environments require both: DC 28V testing for certain aircraft systems and AC 400 Hz testing for standard ground power applications. The EAL lineup supports both DC and 400 Hz configurations across its product family.
Are EAL load banks portable enough for line maintenance?
ElectroAir positions EAL load banks around compact form factor and rugged mobility, making them suitable for field use, maintenance hangars, and tight technical spaces where portability is critical.
Can I use an EAL load bank with non-ElectroAir GPUs?
Yes. ElectroAir states the EAL series integrates with ElectroAir GPUs and third-party equipment, supporting versatile deployment.
How fast can you deliver a 400 Hz or 28 V DC load bank?
For standard EAL configurations, ElectroAir targets 2 weeks production lead time (subject to specification confirmation at order). If you have a fixed deadline, share your parameters early so the build slot can be secured.
What information do you need to quote quickly?
Your required frequency/voltage (400 Hz and/or 28V), target load/current, duty cycle, mobility needs, and shipping destination. With those inputs, we can recommend the right EAL model and configuration.
Need Help Selecting the Correct EAL Load Bank?
ElectroAir engineers design load bank solutions for aviation ground power worldwide. We analyse your GPU type and rating, aircraft mix, maintenance/commissioning workflow, site conditions, and acceptance test requirements to recommend an EAL load bank configuration that delivers repeatable results in real life, not just on paper.
