APPLICATION The JDA series solid state overload relays are suitable for overload and phase-failure protection of A.C. motors with frequency 50/60Hz, voltage up to 660V, current from 0.7A to 600A. The features are reliable, lower energy depletion and broad adjusting current. The product conforms to GB14048.4, IEC60947-4 stardand. Main Technical Specifications

Type Rated current(A) Setting Range JDA-40 40 0.7~2.8 2.5~10 10~40 JDA-160 160 40~80 80~160 JDA-600 600 100~300 200~600

MOTION CHARACTERISTIC:THREE-PHASE BALANCE MOTION TIME

No Times the setting current Motion time Ambient temperature 1 1.05 >2h -40±55ºC 2 1.2 <2h 3 1.5 <4min 4 7.2 10A 2s<Tp=10s =63A 10 4s<Tp=10s >63A

PHASE-LOSING MOTION CHARACTERISTIC

No Times the setting current Motion time Ambient temperature Any two phase Another phase 1 1.0 0.9 >2h -40±55ºC 2 1.15 0 <2h