AS Axial Fan- Guard-Ring — Axial Fan

SUNXFAN AS Axial Fan- Guard-Ring series: 4 models. All figures below are manufacturer datasheet values.

Model matrix

Model Airflow Max static pressure Voltage Power Speed Noise Speed control
AS760A-E137A3-01 16500 m³/h 300 Pa 380-480 V AC 1100 W 950 r/min 69 dB(A) 0-10V/PWM / Modbus RTU(RS485)
AS860A-E150A3-01 24000 m³/h 300 Pa 380-480 V AC 1800 W 920 r/min 72 dB(A) 0-10V/PWM / Modbus RTU(RS485)
AS910A-E150A3-01 25000 m³/h 300 Pa 380-480 V AC 1800 W 930 r/min 73 dB(A) 0-10V/PWM / Modbus RTU(RS485)
AS960A-E150B3-01 29000 m³/h 300 Pa 380-480 V AC 3200 W 915 r/min 75 dB(A) 0-10V/PWM / Modbus RTU(RS485)

AS760A-E137A3-01 — EC760 Axial Fan — 16500 m³/h

Specifications

AS860A-E150A3-01 — EC860 Axial Fan — 24000 m³/h

Specifications

AS910A-E150A3-01 — EC910 Axial Fan — 25000 m³/h

Specifications

FAQ

Q: What are the primary applications of EC axial fans with a wall ring and guard?

A: For a massive EC axial fan with an operating voltage of 380–480V AC (three-phase industrial wide voltage), a maximum airflow of 31,000 m³/h, and equipped with a Wall Ring and Guard, this is an ultra-high-airflow, industrial-grade, high-efficiency heavy-duty fan (typically corresponding to a 760mm–1000mm large-diameter impeller class).

The combination of 380–480V three-phase power with the stepless speed control and high energy efficiency of an EC motor makes it highly suitable for heavy industrial and agricultural scenarios requiring 24-hour continuous operation, ultra-large-space air exchange, or high heat dissipation loads.

I. Specific Industries and Application Scenarios

  1. Livestock & Agricultural Ventilation Large modern poultry houses and dairy barns: The ultra-high airflow of 31,000 m³/h is extremely suitable as tunnel ventilation fans at the end of large-scale farms, used to rapidly remove ammonia, moisture, and heat from the barn to maintain livestock comfort.

Large multi-span greenhouses: Installed on the end wall of the greenhouse, working in conjunction with a Cooling Pad system for overall evaporative cooling and long-distance air circulation.

  1. HVAC & Commercial Refrigeration Dry Coolers & Closed Cooling Towers: Widely used as top-mounted exhaust fans for dry coolers, serving heat dissipation in the secondary loop for data centers, large commercial buildings, or industrial refrigeration.

Large Air-Cooled Condensers & Chillers: The design equipped with a Wall Ring and Guard allows direct bolt-fastening to the top or side of condenser frames, significantly improving heat exchange efficiency and reducing energy consumption.

  1. Industrial Facilities & High-Bay Ventilation Heavy Industrial Plant Exhaust: Suitable for high-temperature/high-dust workshops in steel, foundry, chemical, rubber, and glass industries, installed on exterior walls for centralized high-power exhaust.

Logistics Centers & Warehouses: Maintaining overall air movement within high-bay spaces to prevent hot air accumulation at the top (destratification).

  1. Renewable Energy & Power Grid MW-level Containerized ESS: In centralized heat exhaust systems for large energy storage containers, secured to the container end wall via the Wall Ring for high-airflow forced draft cooling to prevent battery thermal runaway.

Transformers & Wind Turbine Substation Cooling: Used for air-cooling systems of ultra-high-voltage transformer banks and heat dissipation of electrical equipment at the base of wind turbine towers.

Q: One large fan or several smaller ones for the same duty?

A: One AS910 moving 25,000 m³/h beats a bank of small fans on installed cost, wiring and maintenance — one motor, one set of bearings to watch. It also wins the acoustic sum: several equal sources together add about 10·log(N) dB, so five fans of the same total duty run roughly 7 dB(A) louder than one. Several smaller fans earn their place where redundancy matters — N+1 capacity so a single failure costs a fraction of the airflow — and where the opening cannot host one round fan.

Q: How does Modbus RTU integration work on this fan?

A: The EC electronics expose the fan as a Modbus RTU slave: the BMS writes the speed setpoint and reads back speed, current and status over the same two-wire RS-485 that already runs the site. That closes the thermal loop — airflow follows measured temperature instead of a fixed tap — and runtime logs enable condition-based maintenance instead of calendar-based. Address, baud and parity are configured once at commissioning; afterwards the fan behaves like any other Modbus device on the panel.

AS960A-E150B3-01 — EC960 Axial Fan — 29000 m³/h

Specifications

Last updated: 2026-11-02