Ametek Spartan Fan series 778YS Rotron MFG 4140004939644 *

Description

Series 778YS Cooling Fan Motor – Part No. 026982 | NSN 4140-00-493-9644 | 115V AC Axial Fan

This Series 778YS axial cooling fan (Part No. 026982) is a continuous-duty AC fan designed for dependable cooling and ventilation in industrial, military, electronic, and equipment enclosure applications. It is also cross-referenced to AO-74026, Spartan 778YF-ST, and 717406-1, making it an excellent replacement for obsolete or hard-to-find OEM components.

Built for reliable operation, this fan operates on 115 VAC, draws only 0.12 amps, and is rated for 50/60/400 Hz applications. The shaded-pole, single-phase motor turns at 2,250 RPM, producing approximately 75 CFM (Cubic Feet per Minute) of airflow while remaining suitable for continuous operation in demanding environments.

With a maximum ambient temperature rating of 100°C, this fan is ideal for cooling electrical cabinets, military equipment, industrial machinery, communication equipment, power supplies, control panels, and other electronic systems requiring dependable airflow.

Specifications

• Series: 778YS
• Part Number: 026982
• Alternate Part Numbers: AO-74026, Spartan 778YF-ST, 717406-1
• NSN: 4140-00-493-9644
• Voltage: 115 VAC
• Current: 0.12 Amp
• Frequency: 50/60/400 Hz
• Phase: Single Phase (1 PH)
• Capacitor: 0.25 µF
• Speed: 2,250 RPM
• Airflow: 75 CFM
• Maximum Ambient Temperature: 100°C
• Duty Rating: Continuous Duty

Common Applications

• Industrial equipment
• Electrical control panels
• Military and government equipment
• Electronic cabinets and enclosures
• Communications equipment
• HVAC control systems
• Power supplies and instrumentation

Keywords: Series 778YS fan, 026982 cooling fan, AO-74026 replacement, Spartan 778YF-ST, 717406-1, NSN 4140-00-493-9644, 115V axial fan, 75 CFM cooling fan, continuous duty AC fan, industrial equipment cooling fan.