Marathon® AC Motor, 500 hp, 460 V AC, Fire Pump Motors Application

Description

Marathon® AC Motor, 2-Pole Continuous-Duty Split Phase, Fire Pump Motors Application, 500 hp, 460 V AC, 546 A, 60 Hz Frequency, 3 ph, 3575 rpm Speed, DP Enclosure, 449TS Frame, 2.38 in Dia x 5.02 in L Shaft, Reversible Rotation, 1.15 Service Factor, Ball Bearing, 920 ft-lb Torque, Rigid Base Mounting, 50 deg C, Insulation Class: Class F, Cast Iron, 44.5 in L x 37.37 in W x 26.74 in H Dimensions

Features:

• NEMA design B, code G or less
• Squirrel cage induction run
• Designed for use on pumps for fire pump duty
• Red paint on 25 HP through 200 HP
• Rated 60/50 hertz, 190/380 or 380 V at next lower horsepower
• Dual voltage motors have 12 leads, suitable for wye-delta or across the line start on either voltage, or part winding start on low voltage
• Heavy gauge steel frame and base
• Ball bearings
• Consult factory for accessory kit and/or modification selection
• 48Y and 48YZ Frame have 48/56 Frame mounting holes

Standards/Approval:

• CE Certified
• CSA LR2025
• EISA Compliant

Amperage Rating	546 A
Application Type	Fire Pump Motors
Bearing Type	Ball
Dimensions	44.5 in L x 37.37 in W x 26.74 in H
Enclosure Type	DP
Frame	449TS
Frequency Rating	60 Hz
Horsepower	500 hp
Insulation Class	Class F
Material	Cast Iron
Mounting Type	Rigid Base
Phase	3
Rotation	Reversible
Service Factor	1.15
Shaft Size	2.38 in Dia x 5.02 in L
Speed	3575 rpm
Temperature Rating	50 deg C
Manufacturer	Marathon®