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Power Factor and Active Current Monitoring производства Siemens

Power Factor and Active Current Monitoring

The 3UG48 41 power factor and active current monitoring devices enable the load monitoring of motors.

Whereas power factor monitoring is used above all for monitoring no-load operation, the active current monitoring option can be used to observe and evaluate the load factor over the entire torque range.

  • No-load monitoring and load shedding, such as in the event of a V-belt tear
  • Underload monitoring in the low performance range, e. g. in the event of pump no-load operation
  • Monitoring of overload, e. g. due to a dirty filter system
  • Power factor monitoring in networks for control of compensation equipment
  • Broken cable between control cabinet and motor
  • Monitoring of even small single-phase motors with a no-load supply current below 0.5 A
  • Simple determination of threshold values by the direct collection of measured variables on motor loading
  • Range monitoring and active current measurement enable detection of cable breaks between control cabinets and motors, as well as phase failures
  • Power factor and/or Ires (active current) can be selected as measurement principle
  • Width 22.5 mm
  • Display and transmission of actual value and status messages to controller
  • All versions with removable terminals
  • All versions with screw or spring-type terminals
  • Вес (кг) : 0.147
Код Заказной номер Описание Заказать
48805 3UG4841-1CA40 digital monitoring relay cos-phi and current monitoring for io-link 90 to 690v ac, 0.2 to 10a overshoot and undershoot on delay time tripping delay time hysteresis 0.1 to 3.0a 2 change-over contacts, screw terminal Заказать
48806 3UG4841-2CA40 digital monitoring relay cos-phi and current monitoring for io-link 90 to 690v ac, 0.2 to 10a overshoot and undershoot on delay time tripping delay time hysteresis 0.1 to 3.0a 2 change-over contacts, spring-loaded terminal Заказать
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