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JR Series
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  • JR20
  • JR20
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1. Application

JR20 series thermal relay is suitable for the power system of AC 50/60Hz, main circuit rated voltage up to 660V, current up to 630A, used as protecting AC three-phase motor against overlo ad and phase losing, and forming electromagnetic with starter Cj20 series AC contactor. It has functions of phase-losing protection temperature compensation, trip indication. It can manually and automatically get back. The product conforms to GB14048.4,IEC60947-4 standards.

2.Main Technical Performance Index

3. Product