Otis Ultra Drive 403B Elevator Inverter Control PCB Board GCA26800QC6

This printed circuit board is used within select Otis Ultra Drive 403B elevator variable-frequency drive configurations. It serves as a core drive control component, processing system commands and interfacing with the inverter circuitry responsible for controlled elevator motor operation. Designed for Otis elevator drive applications, the board incorporates power electronics, relays, signal-processing circuitry, multiple equipment connectors, heat sinks, and dedicated cooling fans. It is suited for replacement applications in commercial, residential, and public-building elevators equipped with the corresponding Otis Ultra Drive architecture. Compatibility can vary by drive configuration and board revision. Before ordering, please send us a clear photo of the data tag sticker on your existing board so compatibility can be confirmed. Component type: Elevator inverter control printed circuit board (PCB) Manufacturer: Otis Drive family: Ultra Drive Drive configuration: Ultra Drive 403B Associated drive input configuration: 48VDC Application: Elevator variable-frequency drive system Primary function: Drive control, signal processing, and inverter interface Cooling: Dual onboard cooling fans with heat-sinked components Connections: Multiple board-mounted equipment and control connectors Installation location: Ultra Drive 403B drive assembly Typical applications: Commercial, residential, and public-building elevator systems Elevator drive electronics should be installed and commissioned only by qualified elevator personnel familiar with the applicable Otis equipment. Verify the existing board identification, drive configuration, electrical requirements, and system compatibility before installation.