These motors are built for dependable operation in 4″ diameter or larger water wells.

Basic Features:

  • Corrosion-resistant stainless steel exterior
  • Stainless steel splined shaft
  • Hermetically-sealed windings
  • StatorShieldTM resin system
  • Filter check valve
  • Water lubrication
  • Kingsbury-type thrust bearing
  • Pressure-equalizing diaphragm
  • Built-in lightning arrestors (all single-phase; 200 & 300 V three-phase)
  • Removable Water-BlocTM lead
  • Franklin-manufactured control boxes available for single-phase motors
  • UL 778 recognized (North American voltages)
  • CSA certified
  • ANSI/NSF 61 certified
  • Industry standard NEMA mounting dimensions

Special Features:

  • Flow inducer sleeve not required in water up to 86 °F (30 °C) for motors through 2 hp
  • Two-wire motors are split-phase designs with integral starting components and do not require a control box; features Franklin’s patented 2-wire BIAC starting switch, which provides reverse impact torque to aid starting in adverse environments and prevents extreme fast cycling (e.g. water-logged tank)
  • Three-wire motors through 1 hp use Franklin’s exclusive three-wire QD (Quick Disconnect) Control Box with the patented QD Relay. This relay provides the ultimate in operational life
  • Single-phase motors can be used with Pumptec products to protect against dry-run and other installation conditions that can damage motors and/or pumps;see single-phase protection devices for details

Pollution Recovery Option:

  • Pollution Recovery motors are equipped for use in monitoring and recovery wells in which hydrocarbons and other chemicals may be present
  • Features nitrile rubber parts and other chemical-resistant materials as listed in the construction materials chart