We at TOPTRON are committed to enhance customer satisfaction by providing products and services that
meet or exceed the needs of quality and delivery at reasonable cost to ensure customer delight.

Routine Test

Each unit is declared fit for sales after passing the under mentioned tests:

» Measurement of winding resistance

» Measurement of voltage ratio, polarity and check of voltage vector relationship

» Measurement of no-load loss and excitation current

» Measurement of short-circuit impedance and load loss

» Measurement of insulation resistance

» Tests on on-load tap-changers, where appropriate

» Dielectric tests

» Separate-source withstand voltage test

» Induced AC over voltage withstand test



» Our product carries 1 year warranty from date of despatch. Extended warranty may be offered subject to mutual agreement.