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Isotherm SEG00032DA – Electronic Control Board (G309) for TB32 / TB31 / TB41 / TB51 / TB45 / TB55
The Isotherm SEG00032DA is a genuine G309 electronic control board used across multiple TB-series portable fridge/freezer models. This module manages all core operating functions, including compressor control, temperature regulation, power supply handling, and sensor communication. Replacing a faulty board restores stable cooling performance and ensures reliable operation in demanding marine and mobile environments.
Main Features
- OEM electronic board for TB32, TB31, TB41, TB51, TB45, and TB55
- Controls compressor operation and cooling cycles
- Interfaces with thermostat, sensors, and display units
- Regulates 12/24V DC power input and system protection
- Factory-tested module ensuring long-term reliability
- Direct-fit replacement using the original wiring harness
Technical Specifications
Parameter Value Part Number SEG00032DA Reference Code G309 Component Type Main Electronic Control Board Compatibility TB32, TB31, TB41, TB51, TB45, TB55 Functions Compressor control, thermostat interface, power regulation Power Input 12/24V DC (system dependent) Installation Plug-in OEM replacement with factory connectors Design Shock-resistant PCB for mobile/marine environments
The SEG00032DA restores full electronic functionality and stable cooling performance in TB-series portable refrigerator/freezer models, ensuring dependable operation in all conditions.
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