The San Ace 109S303 is a 230V Round-Sidecut Ø172 AC fan designed for high-performance enclosure cooling where high airflow and solid static pressure are required in a compact, sidecut-ready mechanical envelope. With up to 226.1 CFM airflow and 196 Pa static pressure (at 60 Hz), it supports industrial cabinets, telecom racks, power conversion systems, and automation equipment operating under sustained thermal loads.

Key Features

• Compact Sidecut Design: Ø172 × 150 × 51 mm; ideal for panel/system integration

• High Output Performance: Up to 226.1 CFM, 196 Pa (0.787 inH₂O)

• Durable Construction: Aluminum frame, UL 94V-1 impeller

• Capacitor Motor: Stable and efficient for industrial duty cycles

• Safety Protections: Locked rotor burnout protection; reverse polarity protection

• Wide Operating Range: Voltage tolerance ±10%

• Longevity: 25,000 hours @ 60°C; reference 56,000 hours @ 40°C (L10)

Specifications (from datasheet)

• Model: 109S303

• Rated Voltage: 230V AC

• Frequency: 50/60 Hz

• Input Power: 27/25 W (for 100V model; 230V model is proportional per table context)

• Current: 0.14/0.11 A (locked rotor 0.28/0.27 A)

• Rated Speed: 2900/3500 min⁻¹

• Max Airflow: 5.3 / 6.4 m³/min (187.3 / 226.1 CFM)

• Max Static Pressure: 147 / 196 Pa (0.59 / 0.787 inH₂O)

• SPL: 51 / 56 dB(A)

• Operating Temp: -30 to +60°C

• Mass: ~1000 g

• Motor: Capacitor motor

Applications

• Industrial control cabinets and power electronics

• Telecom, broadcast, and networking racks

• Inverters, UPS, rectifiers, and converters

• Battery systems, chargers, EV infrastructure

• Energy, process, and automation systems

Mounting & Accessories

• Mounting: Round-sidecut chassis mounting; M4×0.7 earth ground tap (depth 5 mm)

• Finger Guards: 109-319E, 109-319J, 109-319H

• Plug Cords: PSE: 489-1619-L10/L21; UL/CSA: 489-084-L10/L21

• Set Model: ST1-109S303 (includes fan, guard, PSE plug, screws)