Ebmpapst W4E350-DA20-52 AC Fan | 1935 CFM | IP44 | 115VAC | Ball Bearing

The ebm-papst W4E350-DA20-52 is a heavy-duty 115VAC axial fan delivering 1935 CFM airflow at 1340 RPM. Features ball bearings, IP44 protection, and diecast aluminum housing for industrial cooling.

• Massive 1935 CFM Airflow – High-volume ventilation
• Ball Bearing Motor – Extended service life (193W power)
• Thermal Protection – Auto-reset temperature sensor

ebm-papst W4E350-DA20-52 High-Performance Industrial AC Axial Fan

The ebm-papst W4E350-DA20-52 is a premium industrial axial fan designed for high-capacity airflow in demanding environments. With a 115VAC motor, 1935 CFM (54.8 m³/min) airflow, and 1340 RPM speed, this fan excels in applications requiring heavy-duty cooling. Key Applications:

• Large-scale HVAC systems
• Industrial machinery cooling
• Power electronics & transformers
• Factory ventilation

Constructed with a diecast aluminum housing and ball bearings, the W4E350-DA20-52 ensures durability and reliability under continuous operation. Its IP44 rating provides protection against dust and water splashes.

Key Features & Benefits

✔ High Airflow Performance (1935 CFM)

• Optimized for large-space ventilation
• Static pressure: 0.363 in H2O (90.5 Pa) – Effective against airflow resistance

✔ Industrial-Grade Construction

• Diecast aluminum frame – Lightweight yet robust
• Ball bearings – Maintenance-free with long lifespan

✔ Built-in Thermal Protection

• Auto-reset temperature sensor prevents motor burnout

✔ Easy Electrical Integration

• 4-wire leads with splice terminals for secure connections

Technical Specifications

Attribute	Specification
Air Flow	1935 CFM (54.8 m³/min)
Bearing Type	Ball
Capacitance	20 µF
Current Rating	1.68 A
Fan Type	AC
Frequency	60 Hz
IP Rating	IP44
Maximum Operating Temp.	65°C
Minimum Operating Temp.	-25°C
Nominal Voltage	115 VAC
Power Rating	193 W
Rotation	Clockwise (CW)
Series	W4E350 Series
Size/Dimension	350×350×80mm (13.8×13.8×3.2 in)
Speed (RPM)	1340
Static Pressure	0.363 in H2O (90.5 Pa)
Termination	4 Wire Leads with Splice Terminals
Voltage Rating	115 V
Weight	6600 g (14.55 lbs)

W4E350 Series Overview

The ebm-papst W4E350 Series comprises heavy-duty axial fans engineered for industrial ventilation and high-static-pressure applications.

Series-Wide Features:

• Ball bearing motors for longevity
• Diecast aluminum housings for durability
• IP44 protection against dust/water
• 115VAC/230VAC voltage options

W4E350 Series Model Comparison

W4E350-DA20-52 comparison with alternative parts

Model	Voltage	Airflow	Static Press.	RPM	Power	Key Feature
W4E350-DA20-52	115VAC	1935 CFM	90.5 Pa	1340	193W	Highest airflow in series
W4E350-CN25-70	115VAC	1750 CFM	55.0 Pa	1390	215W	Round frame design
W4E350-DA06-52	230VAC	1950 CFM	90.5 Pa	1550	195W	230VAC alternative
W4E350-DP18-72	115VAC	1800 CFM	60.0 Pa	1590	200W	High-speed option

• Best for Airflow: W4E350-DA20-52 (1935 CFM @ 1340 RPM)
• Best for Static Pressure: W4E350-DA20-52 & DA06-52 (90.5 Pa)
• Best for 230V Systems: W4E350-DA06-52

FAQ (Frequently Asked Questions)

Q1: What’s the difference between IP44 and higher ratings?

A:

• IP44: Resists dust (>1mm) and water splashes (all directions). For harsher conditions (e.g., water jets), consider IP55+ models.

Q2: Can this W4E350-DA20-52 fan be speed-controlled?

A: Yes—use a triac-based AC motor controller (external) for RPM adjustment.

Q3: How does W4E350-DA20-52 compare to EC fans?

A:

• AC fans (W4E350): Higher initial torque, simpler control
• EC fans: More energy-efficient, variable-speed capable

Q4: What maintenance of W4E350-DA20-52 AC Fan is required?

A: None—sealed ball bearings are lubricated for life.

Q5: Is W4E350-DA20-52 suitable for outdoor use?

A: Limited—IP44 resists rain splashes but isn’t waterproof. For outdoor use, choose IP55+.

Q6: What’s the typical lifespan of W4E350-DA20-52?

A: 50,000+ hours under normal conditions (40°C ambient).

Why Choose the W4E350-DA20-52?

• Unmatched airflow (1935 CFM) for large-scale cooling
• Industrial durability (diecast aluminum + ball bearings)
• Thermal protection against overloads
• Certified safe (UL/CSA compliant)

Ideal for factory ventilation, HVAC, and heavy machinery, this fan balances power, reliability, and efficiency.

Need Higher Voltage?

For 230VAC operation, the W4E350-DA06-52 offers similar performance with lower current draw.