Description
The SANJUN SJ1755HA2 is an industrial AC axial cooling fan designed for reliable air circulation and thermal management in electrical equipment, industrial control systems, automation equipment and electronic cooling applications. Manufactured by SANJU ELECTRIC MACHINERY CO., LTD. under the Suntronix brand, the SJ1755HA2 provides a dependable cooling solution for applications requiring stable airflow and long service life.
With a Ø 172 x 55 mm frame size, the SANJUN SJ1755HA2 features a rugged Aluminum ADC-12 metal frame construction designed for industrial environments. The fan incorporates a double ball bearing motor system, providing improved durability and reliable operation compared with sleeve bearing designs, especially in continuous cooling applications.
The SJ1755HA2 operates on a 220-240VAC power supply with support for 50Hz and 60Hz frequency operation. The fan uses a simple 2-wire power connection and an impedance protected AC motor design, making it suitable for direct replacement applications in industrial equipment and ventilation systems.
Designed for efficient cooling performance, the SANJUN SJ1755HA2 delivers up to 280 CFM airflow and provides reliable ventilation where compact dimensions, metal frame construction and long operating life are required.
Key Features
- Original SANJUN SJ1755HA2 AC axial cooling fan
- Manufactured by SANJU ELECTRIC MACHINERY CO., LTD.
- Suntronix branded industrial cooling fan
- 220-240VAC operating voltage
- 50Hz / 60Hz frequency operation
- Ø 172 x 55 mm frame size
- Aluminum ADC-12 metal frame construction
- Double ball bearing motor system
- 2-wire power connection
- Impedance protected AC motor
- Suitable for industrial equipment cooling and ventilation
Technical Specifications
| Brand | SANJUN |
| Manufacturer | SANJU ELECTRIC MACHINERY CO., LTD. |
| Trademark | Suntronix |
| Model | SJ1755HA2 |
| Alternative Model | SJ1755HA2-E |
| Fan Type | AC Axial Fan |
| Rated Voltage | 220-240 VAC |
| Frequency | 50Hz / 60Hz |
| Rated Current | 0.14A / 0.18A |
| Input Power | 35W / 40W |
| Speed | 2850 RPM / 3350 RPM |
| Air Flow | 245 CFM / 280 CFM |
| Static Pressure | 0.50 inH₂O / 0.55 inH₂O |
| Noise Level | 50 dB(A) / 54 dB(A) |
| Dimensions | Ø 172 x 55 mm |
| Frame Material | Aluminum ADC-12 |
| Frame Type | Metal Frame |
| Bearing System | Double Ball Bearing |
| Wire Configuration | 2 Wire |
| Motor Protection | Impedance Protected |
| Weight | 860 g |
Environmental Specifications
| Operating Temperature | -20°C to +85°C |
| Storage Temperature | -30°C to +140°C |
| Life Expectancy | 60,000 hours at 20°C (Peilin bearing condition) |
| Life Expectancy | 30,000 hours at 20°C (Oil bearing condition) |
Applications
The SANJUN SJ1755HA2 AC axial fan is suitable for:
- Industrial control cabinets
- Electrical enclosure cooling
- Automation equipment
- Power supply ventilation
- Electronic equipment cooling
- Industrial machinery ventilation
- Communication equipment cooling
Replacement Information
The SANJUN SJ1755HA2 is designed as a reliable replacement AC axial fan for industrial equipment requiring consistent airflow, durable construction and long operating life. Before replacement, verify key specifications including voltage, frequency, dimensions, bearing type, mounting configuration and electrical connection.
Specifications
| Manufacturer | SANJU ELECTRIC |
|---|---|
| Fan Size | Ø 172 x 55 mm |
| Voltage Rated | 230 VAC |
| Cooling Type | Axial Fan |
| Air Flow Range | 150 – 500 CFM ( 255 – 850 m³/h ) |
| Static Pressure Range | 10 – 50 mmH₂O ( 100 – 500 Pa ) |
| Fan Speed Range | 2,000 – 4,500 RPM |
| Noise | 45 – 60 dB(A) (Moderate) |
| Shipping Weight | 1.5 kg |
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