2 x 26.67 28.00 25.336 IEC – Isetting NORMAL 10 x INVERSE 0.808 0.848 0.767 – Isetting 2 x 120 126 114 IEC – Isetting NORMAL 10 x INVERSE 13.333 13.999 12.666 – Isetting Limits: IEC 60255-3, class 5 + 40 ms WINDING 2 OVERCURRENT& EARTH FAULT PROTECTION TEST PICK/UP AND DROP/OFF TEST Current OC4TOC: 2 Current EF4TOC: 2 [IO>] Setting R Y B Setting N Amps Amps Pick Up Drop Off Pick Up Drop Off Pick Up Drop Off Pick Up Drop Off I> Io> 1xIn = 1 0.1xIn = 0.1 1.5xIn = 1.5 0.3xIn = 0.3 Limits : ± 1.0% of Ir at I £ Ir ± 1.0% of I at I > Ir TIMING TEST OPERATING TIME (SEC), TMS = 1.0 INJECT EXPECTED RANGE CURRENT TIME FUNCTION SEC AMPS SEC R Y B N 2 x 10.03 10.52 9.519 IEC – Isetting NORMAL 10 x INVERSE 2.97 3.188 2.82 – Isetting 2 x 13.5 14.175 12.825 IEC – Isetting NORMAL 10 x INVERSE 1.5 1.57 1.42 – Isetting 2 x IEC 26.67 28.00 25.336 – NORMAL Isetting
IEC NORMAL INVERSE 2 x Isetting 26.67 28.00 – 25.336 10 x Isetting 0.808 0.848 – 0.767 IEC NORMAL INVERSE 2 x Isetting 120 126 – 114 10 x Isetting 13.333 13.999 – 12.666 Limits: IEC 60255-3, class 5 + 40 ms WINDING 2 OVERCURRENT& EARTH FAULT PROTECTION TEST PICK/UP AND DROP/OFF TEST Current Setting Amps I> OC4TOC: 2 Current Setting Amps Io> EF4TOC: 2 [IO>] R Y B N Pick Up Drop Off Pick Up Drop Off Pick Up Drop Off Pick Up Drop Off 1xIn = 1 0.1xIn = 0.1 1.5xIn = 1.5 0.3xIn = 0.3 Limits : ± 1.0% of Ir at I £ Ir ± 1.0% of I at I > Ir TIMING TEST FUNCTION INJECT CURRENT AMPS EXPECTED TIME SEC OPERATING TIME (SEC), TMS = 1.0 RANGE SEC R Y B N IEC NORMAL INVERSE 2 x Isetting 10.03 10.52 – 9.519 10 x Isetting 2.97 3.188 – 2.82 IEC NORMAL INVERSE 2 x Isetting 13.5 14.175 – 12.825 10 x Isetting 1.5 1.57 – 1.42 IEC NORMAL 2 x Isetting 26.67 28.00 – 25.336
tr_differential_ret670.docx