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AUR3 Series Thermal Overload Relays

Product Overview

AUR3-40 thermal overload relays are mainly used in power systems with AC 50Hz/60Hz frequency, rated insulation voltage up to 690V and operating voltage up to 690V to provide overload current protection and phase loss protection. The relay’s setting current is adjustable within the range of 0.1A to 38A. This product integrates functions including temperature compensation, trip indication, automatic/manual reset and stop function.


Product Details>>

Product Features

  • Adopts automatic temperature compensation design, which can automatically adjust compensation according to changes of ambient temperature to improve product reliability

  • Independent design of 1 normally open and 1 normally closed auxiliary contacts, applicable for control of two different power sources for convenient wiring

  • Easy-switch button for switching between manual reset and automatic reset functions


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