What is the difference between HT & LT motor

Depending upon the voltage supply the motors are classified as LT & HT motors. LT motors called low tension motor and HT motor called high tension motor.

As per Indian practice motor are classified as follows-

LT Motor – Motors which work on 230 V, 415 V and 690 V.

HT Motor – Motors which work on 3.3 KV, 6.6 KV and 11 KV.

As per American/European practice motor are classified as follows-

LT Motor – Motors which work on 230 V & 415 V.

HT Motor – Motors which work on 6.6 KV & 11 KV.

Medium Voltage Motor –  Motors which work on 690 V & 3.3 KV.

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