BELIMO EXT-HA-8023
The BELIMO EXT-HA-8023 is a high-quality actuator designed for use in HVAC systems. It provides precise regulation of temperature and airflow, optimizing system performance and energy efficiency. Its durable design and reliable operation make it perfect for both commercial and industrial applications that require continuous, high-performance system control.
Key Features
- Microprocessor-controlled thermostat
- Big LCD with back-light display
- Manual or auto 3-speed fan control
- Cooling, heating or ventilation mode selection
- Fan-coil valve or damper control output
- Optional keypad lock for security
৳ 0.00
Description
When managing indoor comfort for hotels, offices, hospitals or high-end residences, the BELIMO EXT-HA-8023 steps in to deliver robust, intelligent control of fan-coil units and HVAC zones. Rather than relying on generic thermostats with limited features, this model offers full three-speed fan support (Low, Med, High, or Auto), mode switching between cooling/heating/ventilation and intuitive touch-pad interaction. The large LCD clearly shows room temperature, setpoint, fan status and valve or damper position—reducing maintenance time and improving occupant comfort. The thermostat’s auto-speed adjustment means when room temperature is close to the set-point, the fan runs low; as the difference grows it shifts to higher speed—improving efficiency and reducing noise. Low-temperature protection automatically engages valve or fan action if the room drops too low. With housing made from fire-retardant PC/ABS and compatibility across a wide 85–260 V supply range, it out-performs many budget devices. For mechanical rooms in Bangladesh or building automation projects seeking durability, advanced functions and integration ease, the EXT-HA-8023 provides a premium solution that lowers energy use, simplifies wiring and delivers precise climate control.
Specifications
- Model: EXT-HA-8023 series. belimo.com+1
- Sensing element: NTC type, accuracy ±1 °C. belimo.com
- Set-point range: 5 °C to 35 °C. belimo.com+1
- Display range: 0 °C to 55 °C. fieldinstruments.lk
- Operating ambient: 0 °C to 45 °C; humidity 5 %–90 % RH non-condensing. fieldinstruments.lk
- Power supply: AC 85–260 V, 50/60 Hz. belimo.com+1
- Wiring: Accepts 2 × 1.5 mm² or 1 × 2.5 mm² cables; switch output rating: resistive 2 A, inductive 1 A. fieldinstruments.lk
- Housing: PC + ABS fire-retardant, protection class IP30; dimensions 90 mm × 88 mm × 15.5 mm (W × H × D). belimo.com+1
- Hole-pitch (mounting): 60 mm standard. fieldinstruments.lk
- Rated power: < 1 W standby. belimo.com
- Features: Blue back-light LCD, fan speed auto/manual selection, defrost (low-temp protection), optional keypad lock. belimo.com
In Bangladesh the BELIMO EXT-HA-8023 is available through HVAC control systems distributors and authorised suppliers, providing a cost-effective upgrade for commercial and residential climate control projects.

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