Hubbell Industrial Controls, Inc. 

4301 Cheyenne Drive, Archdale, NC  27263 

Phone (336) 434-2800  •  Fax (336) 434-2803 

LXi-2700 Full Service Part Winding with ATS

LX-1700 Full Service Part Windng Hubbell Fire Pump Motor Controllers with Automatic Transfer Switches (ATS) are designed to comply with the latest standard of the National Fire Protection Association for the installation and operation of centrifugal Fire Pumps (NFPA-20).

Model LXi-2700 is a combined automatic and manual part winding fire pump controller, applied where the capacity of the power source does not permit full voltage starting of the motor. The controller is used with special six (6) lead squirrel cage motors designed for part winding starting. These motors have two parallel stator windings. The motor is started with one winding connected to the line. This winding will develop approximately 65% of its normal inrush current and 42% of its normal starting torque. After a time delay, the second winding is connected to the line in parallel with the first winding. Then the motor will develop its normal running current and rated torque.

Note: Some motors may not have enough torque to turn the motor on the start winding

Drawings and Publications

Volts HP Range Dimensions Schematic Field
200-208 15-30 27DE0011 27DS0011 27DF0011 Pub. 193D


Pub 201 ATS

220-240 15-40
380-415 15-60
440-480 15-75
200-208 40-75 27DE0021 27DS0011 27DF0011 Pub. 193D


Pub 201 ATS

220-240 50-125
380-415 75-125
440-480 100-150
200-208 100-150 27DE0031
Consult Factory
27DS0011 27DF0011 Pub 193C


Pub 201 ATS

220-240 100-150
380-415 150-300
440-480 200-400

Catalog Literature

LXi-2700 Specifications
July 2002
Brochure 6100M
May 2004
Price List 6100M
October 2002
Emergency Ratings
LX-450 Schematic
LX-450 Field Connection
LXi-450 Manual

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