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Thermal Overload Relays
Thermal Overload Relays
 


Description
 
WEG's RW class 10 thermal overload relays are designed for use with, and as a perfect compliment to, the CWM contactors. They are fitted with fixed bimetallic elements, which eliminate any need for heater elements for installation or future upgrading to a more efficient motor. All sizes provide complete motor protection by offering ambient temperature compensation, phase failure and unbalance sensitivity. The trip-current is set via an infinitely adjustable dial designed with the motor's nominal current range in mind. The programmable Reset button can be adjusted to operate in a Manual or Automatic mode.
Technical Information
Applications
  • Pumps
  • Kneading and mixing machines
  • Cutting and sawing machines
  • Material handling equipment
  • Blowers
  • Cranes
  • Machining tools
  • Agitators
  • Pressing machines
Standard Features
  • Phase failure / unbalance sensitivity
  • Ambient temperature compensation
  • Isolated N.C. "Trip" and N.O. "Alarm" auxiliary contacts
  • Class 10 tripping characteristics
  • "Trip Free" design
  • Field adjustable trip current setting
  • Test / Reset button
  • Selectable Manual or Automatic Reset
  • Separate mounting capability via screws or DIN rail
  • Protection against long starting times


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