Harrington SEQ 1/4 Ton Electric Chain Hoist, Dual-Speed (VFD Control)

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Harrington’s revolutionary SEQ Series single-phase dual speed (VFD Control) electric chain hoists are designed for easy installation and operation in medium- and heavy-duty industrial applications. These hoists have an extremely compact and lightweight body and are perfect for any work station application. The SEQ hoist includes a no-load high-speed function that automatically increases hoist speed up to 130 percent when the load is less than 30 percent of working load limit.
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Capacity (Tons)

1/4 Ton

Lift Speed

33/6 fpm

Motor (HP)



115v/1ph/60hz (reconnectable to 230v/1ph/60hz)

Number of Chains


Weight, Base Model (lbs)


  • Pull-Rotor Motor Brake Extremely durable and reliable, this advanced design contains no brake coil to fail like conventional disc brakes.
  • External Motor Fan Functions to quickly eliminate resistor, motor and brake heat. This results in improved hoist duty rating and greatly lengthens brake life. Motor is totally enclosed, fan cooled (TEFC).
  • Optional Suspension Bar For low headroom or enclosed track trolley applications. Easily changed from top hook to suspension bar.
  • Compact Aluminum Body Die-cast body is lightweight and offers low headroom - one of the best in the industry. Paint is electrostatically applied.
  • Completely Sealed Body Suitable for both indoor and outdoor applications, including harsh environments. (Consult Owner Manual for details.) Gaskets throughout the hoist provide for an IP55 rating.
  • Variable Frequency Drive (VFD) Dual speed controls via "under-the-cover" variable frequency drive for both single-phase and three-phase hoists. VFD includes count hour meter, load limiter and no-load high-speed function.
  • Upper/Lower Limit Switch Low profile upper and lower limit switches provide excellent headroom.
  • Extreme Duty Motor Increased performance through 30/10-minute duty rating, H4 classification, Class B insulation, cooling fins and external thermal motor protection.
  • Durable Push Button Pendant Easy to use, one-handed operation. Rated IP65. Standard control voltage is 24V. Strain relief wire is molded to pendant cord for added support and dependability. E-Stop is standard on all pendants.