Deprecated: html_entity_decode(): Passing null to parameter #1 ($string) of type string is deprecated in /usr/www/users/mymitfgdwf/wp-content/plugins/ultimate-faqs/includes/template-functions.php on line 354

There are 4 classes for duty classification purposes. They are:

  • SLD – Super light duty. (startup current: 110% for 60sec and 120% for 3sec – of the FLA value)
  • LD – Light Duty (startup current: 120% for 60sec and 150% for 3sec – of the FLA value)
  • ND – Normal Duty (startup current: 150% for 60sec and 200% for 3sec – of the FLA value)
  • HD – Heavy Duty (startup current: 200% for 60sec and 250% for 3sec – of the FLA value)

These are being determined by the application details to which the VFD inverter drive must be applied to.