Nr8 series relay is used to provide overload and phase failure protection for AC motors with a frequency of AC 50hz/60hz

General

    Nr8 series thermal overload relay is used to provide overload an phase failure protection for AC motors with a frequency of AC  50/60Hz, a voltage of up to 690v and a current of 0.1a~38a that operate continuously or intermittently.

    The thermal relay also has temperature compensation, operation indication,automatic and manual reset and stop functions and stabel and reliable performances.

     The product meets the stanards GB 14048.4 and IEC60947-4-1

     Plug-in mounting is used between the thermal relay and the contactor.

Usual service conditions and mounting conditions

     1.Altitude:not higher than 2000m

      2.when the ambient temperature is -5 °C~ +40 °C ,the mean value is no greater than +35 °C  within 24 hours.

      3.Class of pullution:3

      4.The inclination between the mounting plane and the vertical plane shall not exceed 5 ° 

      5.in places with rain and snow pretection equipment and not full of vapor

      6.in places where there is no significant shake,impact or vibration.

Chint thermal overload relay NR8 series