Regal Rexnord Marathon G145 3HP Fan Blower Motor 1725 RPM 208-230/460V Three Phase

The Regal Rexnord Marathon G145 is a professional-grade three-phase fan and blower motor designed for demanding commercial and industrial HVAC applications. This 3 horsepower motor operates at 1725 RPM (1800 synchronous) and is built for continuous duty in applications including commercial fans, blowers, direct and belt drive air handlers, and exhaust ventilation systems.

Key Specifications:

• Power Output: 3 HP (2.2 kW)
• Operating Speed: 1725 RPM full load (1800 synchronous)
• Voltage: 208-230/460V with voltage change device (VCD)
• Current Draw: 9.2-8.6/4.3 Amps at rated voltages
• Frame: NEMA 56HZ with resilient base mount
• Enclosure: Open Drip Proof (ODP) for ventilated environments
• Shaft: 5/8" diameter keyed shaft
• Phase: Three Phase, 60 Hz, 4-pole design

Construction Features:

• Service Factor: 1.15 for overload capacity
• Heavy-gauge rolled steel frame and base construction
• Ball bearing design for extended service life
• Class B insulation rated for 40°C ambient temperature
• Reversible rotation capability
• Automatic overload protection
• Combination base with multiple mounting holes for versatile installation

This motor features Marathon's proven design with a 6.5" diameter body and overall length of 14.72". The open drip-proof enclosure provides excellent cooling while protecting against falling liquids and debris. Ideal for HVAC contractors, facility maintenance, and industrial applications requiring reliable three-phase motor performance.

Manufacturer Part Number: 056T17D5350