Not every ventilation job has a three-phase power drop. For workshops, warehouses, and retrofit sites where only 220/230V mains is available, the Lobisong LBAA2E185S-7MNW-01 is a plug-and-play 185mm AC axial fan that needs no electrician, no phase converter, no new wiring run. Rated for 220/230V single-phase at 50Hz and spinning at 2400 RPM, this single-phase axial fan moves 670 m³/h—enough to ventilate a mid-size workshop, a warehouse aisle, or a commercial kitchen hood. At 51 dB(A) and IP54 protected, this IP54 ventilation fan combines high air delivery with everyday robustness.

Why single-phase? Because most small businesses, warehouses, and retrofit locations are wired for 220/230V wall power, not industrial three-phase. A workshop exhaust fan that demands 380V turns a simple replacement into a rewiring project. This 185mm axial fan avoids that: its winding accepts 220/230V across a 198–242V tolerance, so voltage sags from a starting compressor or dimmer will not stall it. A cold-rolled sheet impeller, balanced to G6.3 per JB/T8689, displaces 670 m³/h at a moderate 2400 RPM. The larger 185mm disc means it does not need to spin as fast as a smaller fan to move the same volume—which is why noise stays at 51 dB(A) rather than climbing into the uncomfortable range.

The mechanical build is tuned for hands-off operation. Class F insulation (155°C) and S1 continuous duty let this 185mm axial fan run around the clock, from a factory floor that never stops to a kitchen hood through every lunch service. IP54 keeps workshop dust and cooking grease spray out of the motor, while maintenance-free ball bearings with 30,000-hour L10 life mean this single-phase axial fan never enters the maintenance schedule. Operating across -30°C to +60°C, a winter warehouse or a summer workshop will not push this IP54 ventilation fan beyond rating.

• True single-phase 220/230V operation: No three-phase wiring, no phase converter—this 185mm axial fan plugs straight into standard mains (198–242V tolerance).
• 670 m³/h AC fan: The 185mm impeller at 2400 RPM moves substantial volume for workshops, warehouses, and kitchen exhausts without an oversized frame.
• 51 dB(A) moderate noise: Larger swept area moves air at lower perceived noise than a small, fast-spinning alternative—quiet for occupied workrooms.
• IP54 dust- and spray-resistant: Protects this IP54 ventilation fan against workshop dust, kitchen grease mist, and light outdoor exposure.
• G6.3 balance per JB/T8689: Vibration is controlled across the larger 185mm diameter, reducing bearing wear and cabinet rattle.
• S1 continuous duty, 30,000h L10: Sealed bearings and Class F insulation support non-stop operation for years without lubrication or capacitor service.

The physics behind this 185mm axial fan's easy operation come down to disc area. Airflow scales with swept area times tip speed. A 145mm impeller must spin much faster to move the same volume as a 185mm impeller—and faster tip speed drives noise. This workshop exhaust fan uses the larger 185mm disc to deliver 670 m³/h at a relaxed 2400 RPM, keeping 51 dB(A) within comfort for occupied spaces. For a retrofit contractor, mount this 185mm axial fan in a workshop where people work eight hours a day without triggering hearing-protection requirements.

Single-phase design also simplifies procurement. A maintenance manager replacing a failed exhaust fan does not need to know whether the building has three-phase—this 185mm axial fan works on whatever is on the wall. That removes the most common retrofit delay: "we measured the fan, but the circuit is 220V single-phase." The 55W draw runs from a standard branch circuit, and IP54 tolerates damp, dusty warehouses. For SMB buyers, plug-and-play wiring and 30,000-hour bearing life mean this 185mm axial fan is installed once and forgotten.

• Workshop and factory ventilation: Use this workshop exhaust fan to purge welding fumes, grinding dust, and process heat from mid-size workshop floors.
• Warehouse and storage ventilation: 670 m³/h AC fan exchanges air in warehouse aisles and storage rooms where three-phase power is unavailable.
• Commercial kitchen exhaust: IP54 protection and single-phase supply suit hood and make-up-air duties in restaurants and food-prep kitchens.
• Small HVAC and makeup-air units: Integrate this 185mm axial fan into rooftop makeup-air handlers and small ducted exhaust systems.
• Retrofit and replacement projects: Drop the single-phase axial fan into existing exhaust cabinets where the old unit was wired for 220/230V mains.

For contractors and SMB buyers, industrial fan ROI is simplicity. No need to inventory both single-phase and three-phase variants—this workshop exhaust fan runs on the power every workshop already has. The 55W draw boosts industrial fan ROI, and 30,000-hour L10 bearing life means the fan typically outlasts the equipment it serves. Because installation requires only a standard 220/230V connection, an electrician is not needed for most replacements. For distributors, stocking this single-phase axial fan model covers the bulk of retrofit and SMB ventilation enquiries—industrial fan ROI.

Q1: Can this 185mm axial fan be hard-wired to a 220V branch circuit?

A: Yes. It is rated for 220/230V single-phase with 198–242V tolerance. Hard-wiring to a standard branch circuit is typical; the 0.28A / 55W draw fits ordinary circuit protection. No three-phase supply is required beyond what is internal to the motor.

Q2: How much static pressure can this single-phase axial fan overcome?

A: 670 m³/h AC fan is low-to-medium pressure design for open grille, light ducted exhaust, and filter-backed cabinet applications. It moves 670 m³/h through a short low-loss duct run, but is not a substitute for a high-static-pressure centrifugal fan on heavily filtered systems. If duct resistance exceeds ~100 Pa, consider a centrifugal alternative.

Q3: Is this IP54 ventilation fan suitable for a commercial kitchen?

A: Yes—IP54 resists grease spray and kitchen dust, and single-phase supply matches typical restaurant power. It is not rated for pressure wash-down or direct water jets; schedule periodic impeller cleaning if heavy grease accumulates, and use a grease-rated filter upstream to protect airflow.