F&W 1/2HP 230V 3W Submersible Motor

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Features and Benefits

• Nitrile Rubber Shaft Seal. Three-part design protects motor from contamination.
• 17-4 Stainless Steel shaft. Features polished bearing journals for extended bearing life.
• 304 Stainless Steel Stator Liner.
• Stainless Steel Carbon Graphite Kingsbury Thrust Bearing. Provides self-aligning axial support up to 650 lbs. for reliable operation.
• 301 Stainless Steel Shell and 304L Stainless Steel Stator Ends. Hermetically sealed for maximum corrosion resistance.
• Carbon Graphite Radial Bearings. Precision ground for high load capability and long life

100% Factory Tested

• Stator hi-pot, resistance, surge.
• Weld quality
• High pressure motor integrity verification.
• Final motor hi-pot, no load, and maximum thrust load.
  • Drinking water NSF/ANSI 61
  • Max Water Temp 86 degrees F without need for flow inducer sleeve.

Description: (3) wire motors have 3 lead wires for power and 1 ground wire. Lead wires are included with all F&W submersible motors. Specs. for 3 wire motor leads are 14/2 Awg. and are 48" long.

F&W motors are built to NEMA 4" submersible motors specifications and interchange with other makes such as Franklin, Pentek, Centri-Pro and Grundfos motors built to NEMA standards for 4" submersible motors.

Product Specifications

1/2HP to 1-1/2HP 3 wire F&W submersible motors have internal overload protection built in.

• HP: 1/2
• Volts: 230
• KW: .37
• HZ: 60
• Amps: 5
• Watts: 740
• SF: 1.6
• S.F. Amps 6
• S.F. Watts: 960
• Winding Ohms: 4.1 to 5.3 Yellow to Black, Yellow to Red 18.0 to 21.9
• LR Amps: 23
• KVA Code: M
• Model 137428

 Technical Data

Submersible Motor Data

Single Phase Motor Fuse Sizing: 15amp Breaker, Standard Fuse: 20amp or dual Element Time Delay Fuse: 10amp.

Submersible motors should not be cycled on and off in excess of 1 time in 5 minutes and be limited to 25-50 starts in 24 hours.

A (3) wire submersible motor requires a minimum of 10 seconds between starts for the internal start/run switch to reset.

Engine driven generator requirements - External Regulated: KW: 2, KVA: 2.5 - Internally Regulated: KW: 1.5, KVA: 1.9

Note: Generator should always be running before motor connected. Before stopping a pump, shut off pump before turning off generator. Most generators today are of the external regulated type. Internal regulated generators have an internal winding and it controls the output current.