Hobart/ITW GSE 405278-007 – 40V DC Capacitor (1,150,000 µF) for GPU-400/600
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The Hobart/ITW GSE 405278-007 is a high-capacity 40V DC capacitor (1,150,000 µF) designed for use in Hobart GPU-400 and GPU-600 solid-state ground power units. Installed within the internal electrical system, this capacitor helps stabilize DC output and ensure consistent, reliable power delivery for aircraft ground support operations.
| General Information | |
|---|---|
| Part # | 405278-007 |
| Manufacturer | ITW GSE/Hobart |
| Shipping Information | |
|---|---|
| Product Weight | 1 lbs. |
| Product Dimensions | 8.5 x 3 x 3 in. |
| Schedule B | 8504900080 |
| ECCN | EAR99 |
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AIRCRAFT COMPATIBILITY
| Compatible Aircraft* |
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QUESTIONS & ANSWERS
The Hobart/ITW GSE 405278-007 capacitor stores and stabilizes electrical energy in a ground power unit. It helps smooth out voltage fluctuations and supports a consistent DC output. This is critical for maintaining reliable power to aircraft systems. Proper capacitor function ensures stable GPU performance.
This capacitor is compatible with Hobart GPU-400 and GPU-600 models, including Series 500160-4xx and 500082-6xx units. These are 28.5V DC solid-state transformer-rectifier ground power units. The capacitor is installed within the internal electrical components of these systems. Always confirm compatibility with your specific model.
The 405278-007 capacitor is rated at 40V DC with a capacitance of 1,150,000 microfarads (µF). It is an ALS-type capacitor designed for high-capacity energy storage. These specifications support efficient voltage smoothing in GPU systems. Proper ratings ensure safe and effective operation.
This capacitor is installed within the GPU's internal electrical system, typically near the main power circuitry. It works alongside other components to regulate voltage output. Access usually requires opening the unit’s enclosure. Proper installation ensures optimal performance.
A capacitor helps maintain a steady voltage by absorbing and releasing electrical energy as needed. This reduces voltage ripple and protects sensitive aircraft systems. Stable power output is essential for safe ground operations. The capacitor plays a key role in overall electrical system performance.
Yes, the 405278-007 is a direct replacement capacitor that meets OEM specifications. It fits and functions like the original component without requiring modifications. This ensures reliable integration with existing systems. Direct replacement parts help maintain equipment integrity.
Signs of failure may include unstable voltage output, increased electrical noise, or visible swelling or leakage. Operators may also notice inconsistent GPU performance. A failing capacitor can impact overall system reliability. Prompt replacement is recommended if issues are detected.
Yes, this capacitor is designed for high-capacity applications in aviation ground power units. Its large capacitance supports stable performance under heavy electrical loads. This makes it suitable for continuous and demanding operations. Reliable components are essential in airport environments.
Yes, professional installation is recommended due to the electrical complexity and safety considerations. Technicians can ensure proper handling, polarity, and secure connections. This helps prevent damage to the unit or injury during installation. Proper installation ensures long-term reliability.
The capacitor ensures stable and consistent DC power output from the GPU to the aircraft. This supports critical functions such as maintenance, testing, and onboard system operation. Reliable power delivery reduces the risk of equipment issues or delays. A properly functioning capacitor is essential for efficient ground support operations.
