Power Defense Time Current Curve Frame 4 - PD4

Time current curves Power Defense MCCB Frame 4 thermal-magnetic and PXR electronic trip units Standards: UL, CSA, IEC, CCC Technical Data TD012066ENEffective November 2019CurvesPXR 20D / PXR 25- I2t Long Delay and Flat Short Delay Curves10000Time current curvesPower Defense circuit breakersStyle: Frame 4Configuration: 3 and 4-polesTrip unit type: Power Xpert ReleasePXR 20D / PXR 25①1000PDGPDF800 APDC800 APDC1000 AMin.Max.320 A800 A320 A800 A400 A1000 ANotes:1 Long delay pickup is 110% of the Ir setting with 5% tolerance. Ir is set from min to max at stepsof 10A.2. Long delay time settings adjustable from 0.5s- 24s at steps of 0.1s with 0%/-30% tolerance.3. If thermal memory is enabled, trip times may beshorter than indicated in this curve.4. Short delay pickup settings adjustable from 1.5x 8.0x at steps of 0.1x with 5% tolerance.5. Short delay time settings adjustable from 0.050s- 0.500s at steps of 0.010s with tolerance asfollows: ime delay settings 0.500s to 0.200shave tolerances of 0%/-20%, time delay settings between 0.190s to 0.160s have tolerancesof 0%/-30%, .and time delay settings between0.150s to 0.100s have tolerances of 0%/-40%and time delay settings between 0.090s to 0.050shave tolerances of 0/-50%.6. If the long delay time is projected to be fasterthan the short delay time, the long delay triptime will go no faster than the short delay timevalue.7. With ZSI enabled and no auxiliary power, trippingtimes for 3-phase faults will be a maximum of60ms for 60Hz and 63ms for 50Hz.②100Time in SecondsIrsettingtr se ngrange10810.5④1.5Isdse ngrangetsd se ng range80.10.050.010.1110100Current in Mul ples of Long Delay Se ng (I r)Figure 2. PXR 20D / PXR 25 - I2t long delay and flat short delayNovember 2019EATON www.eaton.com7

Time current curves Power Defense MCCB Frame 4 thermal-magnetic and PXR electronic trip units Standards: UL, CSA, IEC, CCC Technical Data TD012066ENEffective November 2019PXR 20 - I2t Long Delay and Flat Short Delay Curves10000Time current curvesPower Defense circuit breakersStyle: Frame 4Configuration: 3 and 4-polesTrip unit type: Power Xpert Release -PXR 20①1000②Time in Seconds1001.5232.51PDGPDF800 APDC800 APDC1000 A12345678910320 A350 A400 A450 A500 A550 A600 A630 A700 A800 A320 A400 A450 A500 A550 A600 A630 A700 A750 A800 A400 A550 A630 A700 A750 A800 A850 A900 A950 A1000 ANotes:1. Long delay pickup is 110% of the Ir setting with 5% tolerance.2. Long celay time settings as shown have 0%/30% tolerance.3. If thermal memory is enabled, trip times may beshorter than indicated in this curve.4. Short delay pickup settings as shown have 5%tolerance.5. Short delay time settings are shown with tolerances.6. If the long delay time is projected to be fasterthan the short delay time, the long delay triptime will go no faster than the short delay timevalue.7. With ZSI enabled and no auxiliary power, trippingtimes for 3-phase faults will be a maximum of60ms for 60Hz and 63ms for 0.010.1110100Current in Mul ples of Long Delay Se ng (I r)Figure 3. PXR 20 - I2t long delay and flat short delay8EATON www.eaton.comNovember 2019

Time current curves Power Defense MCCB Frame 4 thermal-magnetic and PXR electronic trip units Standards: UL, CSA, IEC, CCC Technical Data TD012066ENEffective November 2019PXR20D / PXR25 - I2t Long Delay and I2t Short Delay Curves10000Time current curvesPower Defense circuit breakersStyle: Frame 4Configuration: 3 and 4-polesTrip unit type: Power Xpert ReleasePXR 20D / PXR 25①1000②Time in Secondstr settingrange10Isdsettingrange1.5PDGPDF800 APDC800 APDC1000 AMin.Max.320 A800 A320 A800 A400 A1000 ANotes:1 Long delay pickup is 110% of the Ir setting with 5% tolerance. Ir is set from min to max at stepsof 10 A.2. Long delay time settings adjustable from 0.5s- 24s at steps of 0.1s with 0%/-30% tolerance.3. If thermal memory is enabled, trip times may beshorter than indicated in this curve.4. Short delay pickup settings adjustable from 1.5x 8.0x at steps of 0.1x with 5% tolerance.5. Short Delay I2t slope time settings adjustablefrom 0.067s – 0.300s at steps of 0.010s with tolerances as follows: I2t slope time delay settings0.300s to 0.200s have tolerances of 0/-30%,time delay settings between 0.190s to 0.160shave tolerances of 0/-30%, and time delay settings between 0.150s to 0.100s have tolerancesof 0/-40% and time delay settings between0.090s to 0.067s have tolerances of 0/-50%.After approximately 8x the I2t slope will go flatand those times have tolerances as follows: timedelay settings 0.300s to 0.200s have tolerancesof 0/-20%, time delay settings between 0.190sto 0.160s have tolerances of 0/-30%, and timedelay settings between 0.150s to 0.100s havetolerances of 0/-40% and time delay settingsbetween 0.090s to 0.050s have tolerances of 0/50%.6. If the long delay time is projected to be fasterthan the short delay time, the long delay triptime will go no faster than the short delay timevalue.7 With ZSI enabled and no auxiliary power, trippingtimes for 3-phase faults will be a maximum of60ms for 60Hz and 63ms for 50Hz.100④Irsetting810.3tsd setting range0.1⑤0.0670.010.1110100Current in Multiples of Long Delay Setting (I r)Figure 4. PXR 20D / PXR 25 - I2t long delay and I2t short delayNovember 2019EATON www.eaton.com9

Time current curves Power Defense MCCB Frame 4 thermal-magnetic and PXR electronic trip units Standards: UL, CSA, IEC, CCC Technical Data TD012066ENEffective November 2019PXR20 - I2t Long Delay and I2t Short Delay Curves10000Time current curvesPower Defense circuit breakersStyle: Frame 4Configuration: 3 and 4-polesTrip unit type: Power Xpert Release -PXR 20①1000②PDGPDF800 APDC800 APDC1000 A12345678910320 A350 A400 A450 A500 A550 A600 A630 A700 A800 A320 A400 A450 A500 A550 A600 A630 A700 A750 A800 A400 A550 A630 A700 A750 A800 A850 A900 A950 A1000 ANotes:1. Long delay pickup is 110% of the Ir setting with 5% tolerance.2. Long celay time settings as shown have 0%/30% tolerance.3. If thermal memory is enabled, trip times may beshorter than indicated in this curve.4. Short delay pickup settings as shown have 5%tolerance.5. Short delay time settings are shown with tolerances.6. If the long delay time is projected to be fasterthan the short delay time, the long delay triptime will go no faster than the short delay timevalue.7. With ZSI enabled and no auxiliary power, trippingtimes for 3-phase faults will be a maximum of60ms for 60Hz and 63ms for 50Hz.100Time in 0670.010.1110100Current in Multiples of Long Delay Setting (I r)Figure 5. PXR 20 I2t long delay and I2t short delay10EATON www.eaton.comNovember 2019

Time current curves Power Defense MCCB Frame 4 thermal-magnetic and PXR electronic trip units Standards: UL, CSA, IEC, CCC Technical Data TD012066ENEffective November 2019PXR 20D / PXR 25 - I4t Long Delay and Flat Short Delay Curves100000Time current curvesPower Defense circuit breakersStyle: Frame 4Configuration: 3 and 4-polesTrip unit type: Power Xpert ReleasePXR 20D / PXR 25①10000Time in Secondstr setting②range101④1.5IsdsettingrangePDGPDF800 APDC800 APDC1000 AMin.Max.320 A800 A320 A800 A400 A1000 ANotes:1. Long delay pickup is 110% of the Ir setting with 5% tolerance. Ir is set from min to max at stepsof 10 A2. Long delay time settings adjustable from 0.5s - 7sat steps of 0.1s with 0%/-30% tolerance.3. If thermal memory is enabled, trip times may beshorter than indicated in this curve.4. Short delay pickup settings adjustable from 1.5x 8.0x at steps of 0.1x with 5% tolerance.5. Short delay time settings adjustable from 0.050s- 0.500s at steps of 0.010s with tolerances asfollows: time delay settings 0.500s to 0.200shave tolerances of 0/-20%, time delay settingsbetween 0.190s to 0.160s have tolerances of 0/-30%, and time delay settings between 0.150sto 0.100s have tolerances of 0/-40% and timedelay settings between 0.090s to 0.050s havetolerances of 0/-50%.6. If the long delay time is projected to be fasterthan the short delay time, the long delay triptime will go no faster than the short delay timevalue.7. With ZSI enabled and no auxiliary power, trippingtimes for 3-phase faults will be a maximum of60ms for 60Hz and 63ms for 50Hz.1000100Irsetting80.5tsd setting range0.10.050.010.1110100Current in Multiples of Long Delay Pickup (Ir)Figure 6. PXR 20D / PXR 25 - I4t long delay and flat short delayNovember 2019EATON www.eaton.com11

Time current curves Power Defense MCCB Frame 4 thermal-magnetic and PXR electronic trip units Standards: UL, CSA, IEC, CCC Technical Data TD012066ENEffective November 2019PXR 20D / PXR 25 - Ground (Earth) Flat Delay Curves10000Time current curvesPower Defense circuit breakersStyle: Frame 4Configuration: 3 and 4-polesTrip unit type: Power Xpert ReleasePXR 20D / PXR 25Notes:1. Ground pickup settings adjustable from 0.2x - 1.0xat steps of 0.010x for residual sensing with atolerance of 10%.2 Ground time delay settings adjustable from0.100s – 1.00s at steps of 0.010s with tolerancesas follows: time delay settings 1.00s to 0.200shave tolerances of 0/-20%, time delay settingsbetween 0.190s to 0.160s have tolerances of 0/30%, and time delay settings between 0.150s to0.100s have tolerances of 0/-40%.3. If thermal memory is enabled, trip times may beshorter than indicated in this curve.4 With ZSI enabled and no auxiliary power, trippingtimes for 3-phase faults will be a maximum of60ms for 60Hz and 63ms for 50Hz.Time in Seconds1000100100.2Igsettingrange1.0①11.0tg setting range0.10.010.10.1110Current in Multiples of Rating(In)Figure 7. PXR 20D / PXR 25 ground (earth) flat delay12EATON www.eaton.comNovember 2019

Time current curves Power Defense MCCB Frame 4 thermal-magnetic and PXR electronic trip units Standards: UL, CSA, IEC, CCC Technical Data TD012066ENEffective November 2019PXR20D / PXR25 - Ground (Earth) I2T Delay Curves10000Time current curvesPower Defense circuit breakersStyle: Frame 4Configuration: 3 and 4-polesTrip unit type: Power Xpert ReleasePXR 20D / PXR 25Notes:1. Ground pickup settings adjustable from 0.2x - 1.0xat steps of 0.010x for residual sensing with atolerance of 10%.2. Ground I2t slope time settings are adjustable from0.067s – 0.300s at steps of 0.010s with tolerances as follows: I2t slope time delay settings0.300s to 0.200s have tolerances of 0/-30%,time delay settings between 0.190s to 0.160shave tolerances of 0/-30%, and time delay settings between 0.150s to 0.100s have tolerancesof 0/-40% and time delay settings between0.090s to 0.067s have tolerances of 20%/-50%.After approximately 1x the I2t slope will go flatand those times have tolerances as follows: timedelay settings 0.300s to 0.200s have tolerancesof 0/-20%, time delay settings between 0.190sto 0.160s have tolerances of 0/-30%, and timedelay settings between 0.150s to 0.100s havetolerances of 0/-40% and time delay settingsbetween 0.090s to 0.050s have tolerances of 20%/-50%.3. If thermal memory is enabled, trip times may beshorter than indicated in this curve.4 With ZSI enabled and no auxiliary power, trippingtimes for 3-phase faults will be a maximum of60ms for 60Hz and 63ms for 50Hz.Time in Seconds1000100100.2Igsettingrange①1.010.3tg setting range0.10.0670.010.1110Current in Multiples of Rating(In)Figure 8. PXR 20D / PXR 25 - ground (earth) I2t delayNovember 2019EATON www.eaton.com13

Time current curves Power Defense MCCB Frame 4 thermal-magnetic and PXR electronic trip units Standards: UL, CSA, IEC, CCC Technical Data TD012066ENEffective November 2019PXR 20 - Ground (Earth) Flat Delay Curves10000Time current curvesPower Defense circuit breakersStyle: Frame 4Configuration: 3 and 4-polesTrip unit type: Power Xpert Release-PXR 20Notes:1. Ground pickup settings as shown are for residualsensing with a tolerance of 10%.2. Ground slope flat time setting are shown withtolerances.3. If thermal memory is enabled, trip times may beshorter than indicated in this curve.4. With ZSI enabled and no auxiliary power, trippingtimes for 3-phase faults will be a maximum of60ms for 60Hz and 63ms for 50HzTime in 30.20.150.10.010.10.1110Current in Multiples of Rating(In)Figure 9. PXR 20 - ground (earth) flat delay14EATON www.eaton.comNovember 2019

Time current curves Power Defense MCCB Frame 4 thermal-magnetic and PXR electronic trip units Standards: UL, CSA, IEC, CCC Technical Data TD012066ENEffective November 2019PXR20 - Ground (Earth) I2T Delay Curves10000Time current curvesPower Defense circuit breakersStyle: Frame 4Configuration: 3 and 4-polesTrip unit type: Power Xpert Release-PXR 20Notes:1. Ground pickup settings as shown are for residualsensing with a tolerance of 10%.2. Ground I2t flat time setting are shown with tolerances.3. If thermal memory is enabled, trip times may beshorter than indicated in this curve.4. With ZSI enabled and no auxiliary power, trippingtimes for 3-phase faults will be a maximum of60ms for 60Hz and 63ms for 50Hz.Time in 10.1110Current in Multiples of Rating(In)Figure 10. PXR 20 - ground (earth) I2t delayNovember 2019EATON www.eaton.com15

Time current curves Power Defense MCCB Frame 4 thermal-magnetic and PXR electronic trip units Standards: UL, CSA, IEC, CCC Technical Data TD012066ENEffective November 2019PXR 20D / PXR 25 - 800A Frame Instantaneous Curves10000Time current curvesPower Defense circuit breakersStyle: Frame 4Configuration: 3 and 4-polesTrip unit type: Power Xpert ReleasePXR 20D / PXR 25Notes:1. The instantaneous pickup settings adjustable from2x – 8.5x(max) at steps of 0.10x with a 10%tolerance.2 For high fault current levels a fixed instantaneousoverride is provided at 6800 A and has a 15%tolerance.1000Time in Seconds100①Max8.5210800A Frame Override Curve10IiSettingrange1Time in Seconds10.10.10.01110Current in Multiples of Rating (In)0.011000②1001000Current in AmpsFigure 11. PXR 20D / PXR 25 -instantaneous and override for 800A frame16EATON www.eaton.com1000010000November 2019

Time current curves Power Defense MCCB Frame 4 thermal-magnetic and PXR electronic trip units Standards: UL, CSA, IEC, CCC Technical Data TD012066ENEffective November 2019PXR 20D / PXR 25 - 1000A Frame Instantaneous Curves10000Time current curvesPower Defense circuit breakersStyle: Frame 4Configuration: 3 and 4-polesTrip unit type: Power Xpert ReleasePXR 20D / PXR 25Notes:1. The instantaneous pickup settings adjustable from2x – 8x(max) at steps of 0.10x with a 10% tolerance.2. For high fault current levels a fixed instantaneousoverride is provided at 8000 A and has a 15%tolerance.1000Time in Seconds100①Max8210101000A Frame Override CurveIiSettingrange1Time in Seconds10.10.10.011100.011000 100Current in Multiples of Rating (In)Figure 12. PXR 20D / PXR 25 - instantaneous (1000A)②1000Current inAmps1000010000November 2019EATON www.eaton.com17

Time current curves Power Defense MCCB Frame 4 thermal-magnetic and PXR electronic trip units Standards: UL, CSA, IEC, CCC Technical Data TD012066ENEffective November 2019PXR 20 / PXR 10 - 800A Frame Instantaneous Curves10000Time current curvesPower Defense circuit breakersStyle: Frame 4Configuration: 3 and 4-polesTrip unit type: Power Xpert ReleasePXR 20 / PXR 10Notes:1. The instantaneous pickup settings as shown witha 10% tolerance.2. For high fault current levels a fixed instantaneousoverride is provided at 6800 A and has a 15%tolerance.1000100Time in Seconds①2346810571Max8.57.5Time in Seconds16.50.10.10.01110Current in Multiples of Rating (In)0.011000Figure 13. PXR 20 / PXR 10 - instantaneous (800A)18800A Frame Override Curve10EATON www.eaton.com②100Current in 1000Amps1000010000November 2019

Time current curves Power Defense MCCB Frame 4 thermal-magnetic and PXR electronic trip units Standards: UL, CSA, IEC, CCC Technical Data TD012066ENEffective November 2019PXR 20 / PXR 10 - 1000A Frame Instantaneous Curves10000Time current curvesPower Defense circuit breakersStyle: Frame 4Configuration: 3 and 4-polesTrip unit type: Power Xpert ReleasePXR 20 / PXR 10Notes:1. The instantaneous pickup settings as shown witha 10% tolerance.2. For high fault current levels a fixed instantaneousoverride is provided at 8000 A and has a 15%tolerance.1000Time in Seconds100①2346Max81010571Time in Seconds16.57.50.10.10.011000A Frame Override Curve1100.011000 100Current in Multiples of Rating (In)Figure 14. PXR 20 / PXR 10 - instantaneous and override 1000A frame②Current in1000Amps 1000010000November 2019EATON www.eaton.com19

Time current curves Power Defense MCCB Frame 4 thermal-magnetic and PXR electronic trip units Standards: UL, CSA, IEC, CCC Technical Data TD012066ENEffective November 201910000PXR 20 / PXR 20D / PXR 25 - Maintenance Mode CurvesTime current curvesPower Defense circuit breakersStyle: Frame 4Configuration: 3 and 4-polesTrip unit type: Power Xpert ReleasePXR 20 / PXR 20D / PXR 25Notes:1. Maintenance mode pickup settings have a 20%tolerance.1000Time in Seconds1001062.514100.10.0181①101001000Current in Multiples of Rating (In)Figure 15. PXR 20 / PXR 20D / PXR 25 - maintenance mode20EATON www.eaton.comNovember 2019

Time current curves Power Defense MCCB Frame 4 thermal-magnetic and PXR electronic trip units Standards: UL, CSA, IEC, CCC Technical Data TD012066ENEffective November 2019PXR 10 - 800A, I2t Long Delay, Instantaneous, Override Curves10000Time current curvesPower Defense circuit breakersStyle: Frame 4Configuration: 3 and 4-polesTrip unit type: Power Xpert Release -PXR 10Trip unit style: LI①1000②Time in Seconds100IrsettingPDGPDF800 APDC800 A12345678910320 A350 A400 A450 A500 A550 A600 A630 A700 A800 A320 A400 A450 A500 A550 A600 A630 A700 A750 A800 ANotes:1. Long delay pickup is 110% of the Ir setting with 5% tolerance.2. Long delay time settings has 0%/-30%tolerance.3. Instantaneous pickup settings have 10%tolerance.4. For high fault current levels a fixed instantaneousoverride is provided at 6800 A and has a 15%tolerance.5. If thermal memory is enabled, trip times may beshorter than indicated in this 100000Current in AmperesFigure 16. PXR 10 LI 800A frameNovember 2019EATON www.eaton.com21

Time current curves Power Defense MCCB Frame 4 thermal-magnetic and PXR electronic trip units Standards: UL, CSA, IEC, CCC Technical Data TD012066ENEffective November 2019PXR 10 - 1000A, I2t Long Delay, Instantaneous, Override Curves10000Time current curvesPower Defense circuit breakersStyle: Frame 4Configuration: 3 and 4-polesTrip unit type: Power Xpert Release -PXR 10Trip unit style: LI①1000②Time in Seconds100IrsettingPDC1000 A12345678910400 A550 A630 A700 A750 A800 A850 A900 A950 A1000 ANotes:1. Long delay pickup is 110% of the Ir setting with 5% tolerance.2. Long delay time settings has 0%/-30% tolerance.3. Instantaneous pickup settings have 10% tolerance.4. Fo

T## Thermal magnetic trip unit (1) V## 50 C calibrated thermal magnetic trip unit (1) B## PXR 10 (1) E## PXR 20 (1) D## PXR 20D (1) P## PXR 25 (1) KNS Molded case switch SNN Switch disconnector Poles 3 3 poles 4 4 poles with programmable neutral protection Trip unit PXR Electronic trip unit Ampere frame rating 0800 800 .