Hobart/ITW GSE 288940B Voltage Regulator PC Board

The Hobart/ITW GSE 288940B regulator board controls and regulates the voltage output of Hobart 400 Hz generator sets. It ensures the generator delivers consistent, stable electrical power to aircraft systems. Proper voltage regulation is essential for protecting sensitive avionics and onboard equipment. This component is critical to overall GPU performance.

The 288940B regulator board is compatible with multiple Hobart generator set models, including the 60CU20, 90CU20, 120CU20, 140CU20, and 180CU20 series. It is used across various kVA ratings and series configurations, such as Series 500061, 500062, 500072, and others. These units typically operate at 115/220V, 3-phase, 400 Hz. Always confirm compatibility with your specific equipment model.

This regulator board is installed inside the control box of Hobart generator sets. It is part of the interior control components that manage the voltage output. Proper placement ensures accurate regulation and communication with other electrical systems. Access typically requires opening the control panel assembly.

A voltage regulator board maintains a consistent output voltage by adjusting electrical signals within the generator system. This helps prevent voltage fluctuations that could damage aircraft systems or connected equipment. Stable voltage is critical for safe and efficient ground power operations. The regulator board ensures reliable power delivery at all times.

Yes, the 288940B is a direct replacement for the original voltage regulator PC board used in compatible Hobart generator sets. It is designed to match OEM specifications for fit and function. This allows for straightforward installation without system modifications. Using direct replacement parts helps maintain equipment reliability.

Common signs include unstable voltage output, fluctuating power levels, or failure to maintain proper frequency and voltage. Operators may also notice alarms or irregular system behavior. If these issues occur, the regulator board should be inspected or replaced. Early detection helps prevent further equipment damage.

Voltage regulation ensures that aircraft receive clean, stable electrical power while on the ground. Inconsistent voltage can damage avionics, electrical systems, and onboard equipment. Proper regulation supports safe maintenance, testing, and pre-flight operations. The regulator board is essential for maintaining this stability.

Yes, the 288940B is used across multiple generator sets with varying kVA ratings, ranging from 60 kVA to 180 kVA. Its design supports consistent voltage regulation across these configurations. This makes it a versatile component within Hobart’s 400 Hz generator lineup. Compatibility should still be verified for each specific unit.

Yes, professional installation is recommended due to the electrical complexity of generator control systems. Qualified technicians can ensure proper connections and system calibration. This helps avoid installation errors and ensures optimal performance. Safety procedures should always be followed when working with electrical components.

The regulator board ensures a steady voltage output, which is essential for continuous, reliable GPU performance. By stabilizing power delivery, it reduces the risk of equipment failure and downtime. This supports efficient aircraft servicing and ground operations. A properly functioning regulator board is key to dependable power generation.