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Cooling Tower Solutions

1.0 hp – 200 hp (0.75 kW – 149 kW)

208 – 230 V | 460 V

These packages are built in NEMA 3R enclosures with thermostatically controlled space heaters, ventilation fans and an optional Sun Shield. Complete control is available with standard options including a water temperature controller, basin heater contactor, fluid cooler spray pump starter, de-icing control and more. Packages are available at 208 - 230/460 V in power sizes to 200 hp in VFD with disconnect configurations.

The base cooling package includes the H300  in a three-contactor bypass configuration. The latest IGBT technology reduces EMI/RFI emissions and provides a 50% reduction in dv/dt, allowing for longer motor leads and the elimination of costly output filters and reactors, as well as reliable operation in wet or humid ambient conditions. In addition, all drive products are rated for continuous duty at 40°C ambient providing for year-round operation in severe outdoor environments.


  • NEMA type 3R enclosures 
  • 3% equivalent reactor 
  • Thermostatically controlled space heaters  

Pre-Engineered Cooling Tower Features

  • 40 °C Ambient 
  • MODBUS RTU (standard) 
  • Advanced auto tuning 
  • Energy savings


  • Basin temperature controller 
  • Basin water heater contactor 
  • Spray pump starter 
  • De-icing control 
  • Sun shield

Nidec Cooling Tower VFD

Cooling Tower Solutions

Nidec (formerly Emerson) packaged drives are ideal solutions for cooling tower and fluid cooling applications. Designed for outdoor mounting, these products offer the latest in microprocessor and IGBT VFD technology in a packaged controller, designed to control a cooling tower. World class quality in design and manufacture, competitive pricing and uncompromising performance make Emerson packaged drives the most versatile and reliable cooling tower control packages available.

          Steve Lewis LLC dba

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