LV generator protection - engineering site - Schneider Electric

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NS125E NS100 NS160 NS250 NS400 NS6303, 4 2 (1) , 3, 4 2 (1) , 3, 4 2 (1) , 3, 4 3, 4 3, 4b b b b b b- b b b b b- b b b b bb b b b b bb b b b b b- b b b b b- b b b b b- b b b b b- b b b b b125 100 160 250 400 630- 100 150 220 320 500750 750 750 750 750 7508 8 8 8 8 8500 690 690 690 690 690- 500 500 500 500 500E N H L N H L N H L N H L N H L25 85 100 150 85 100 150 85 100 150 85 100 150 85 100 15016/10 25 70 150 36 70 150 36 70 150 45 70 150 45 70 15010 25 65 130 35 65 130 35 65 130 42 65 130 42 65 1306 18 50 100 30 50 70 30 50 70 30 50 100 30 50 70- 18 35 100 22 35 50 22 35 50 22 35 100 22 35 50- 8 10 75 8 10 20 8 10 20 10 (2) 20 (2) 75 (2) 10 (2) 20 (2) 35 (2)50 85 100 50 85 100 50 85 100 - 85 - - 85 -50 85 100 50 85 100 50 85 100 - 85 - - 85 -50% 100% 100% 100% 100% 100% (3)b b b b b bA A A A A A10 000 50 000 40 000 20 000 15 000 15 0006 000 50 000 40 000 20 000 12 000 8 0006 000 30 000 20 000 10 000 6 000 4 000E N H L N H L N H L N H L N H L5 85 100 200 85 100 200 85 100 200 85 100 200 85 100 2005 25 65 130 35 65 130 35 65 130 42 65 130 42 65 130- 10 35 50 20 35 50 20 35 50 20 35 50 20 35 50E N H L N H L N H L N H L N H L- 85 85 - 85 85 - 85 85 - 85 85 - 85 85 -- 25 65 - 35 65 - 35 65 - 42 65 - 42 65 -- 10 10 - 10 10 - 18 18 - 18 18 - 30 30 -non interchangeable TM (thermal-magnetic) STR22 (electronic) STR23 (electronic) STR53 (electronic)12.5… 125 (A) b b b b- - b b b- b b b b- - - - b- - - - bb b b b bb b b b b- - - - bb b bb b b- b b- b b- b b- b b b b- b b b b- - - - b- - - - b- - - - bb b bb b bb b b105 x 161 x 86 105 x 161 x 86 / 140 x 161 x 86 140 x 255 x 110 / 185 x 255 x 1101.7 / 2.3 1.6 to 1.9 / 2.1 to 2.3 6.0 / 7.8- b b45
6.1. Characteristics tablesof circuit breakersCompact NSfrom 630 up to 3200 A045151si045178siCompact NS800H.Compact NS2000H.(1) 65°C with vertical connections. See the temperaturederating tables for other types of connections.Compact circuit breakersnumber of polescontrol manual toggledirect or extended rotary handleelectrictype of circuit breakerconnections fixed front connectionrear connectionwithdrawable (on chassis) front connectionrear connectionelectrical characteristics as per IEC 60947-2 and EN 60947-2rated current (A) In 50 °C65 °C (1)rated insulation voltage (V)Uirated impulse withstand voltage (kV)Uimprated operational voltage (V) Ue AC 50/60 HzDCtype of circuit breakerultimate breaking capacity (kA rms) lcu AC 50/60 Hz 220/240 V380/415 V440 V500/525 V660/690 VDC250 V500 Vservice breaking capacity (kA rms) lcs Value or % Icushort-time withstand current (kA rms) lcw 0.5 sV AC 50/60 Hz1 ssuitability for isolationutilisation categorydurability (C-O cycles) mechanicalelectrical 440 V In/2In690 V In/2Inpollution degreeelectrical characteristics as per Nema AB1breaking capacity at 60 Hz (kA)protection and measurementsinterchangeable control unitsoverload protection long time Ir (In x …)short-circuit protection short time Isd (Ir x …)instantaneous Ii (In x …)earth-fault protectionlg (In x …)residual earth-leakage protectionI∆nzone selective interlockingZSIprotection of the fourth polecurrent measurementsadditional indication and control auxiliariesindication contactsvoltage releasesremote communication by busdevice-status indicationdevice remote operationtransmission of settingsindication and identification of protection devices and alarmstransmission of measured current valuesinstallationaccessoriesdimensions fixed devices, front connections (mm)H x W x Dweight fixed devices, front connections (kg)MX shunt releaseMN undervoltage release240 V480 V600 Vterminal extensions and spreadersterminal shields and interphase barriersescutcheons3P4P3P4Psource changeover system (see section on source changeover systems)manual, remote-operated and automatic source changeover systems46
Page 1 and 2: M M M MLow Voltage Expert Guides N
Page 4 and 5: In shortGenerator Sets (GS) are use
Page 6 and 7: ImplementationThe Generator Sets no
Page 8 and 9: Note 2: If there is an MV Set in Pr
Page 10 and 11: E79360EElectrical utilityHV incomer
Page 12 and 13: Replacement SourceThe Set’s purpo
Page 14 and 15: 2.2. Transfer deviceIt is interesti
Page 16 and 17: 2.2.2. SequenceMain source / Genera
Page 18 and 19: 3.1.2. Short-circuit current protec
Page 20 and 21: 3.2. Downstream LV network protecti
Page 22 and 23: E79475EGSRemote control 2Remote con
Page 24 and 25: Short-circuit downstream of a UPSTh
Page 27 and 28: Protection and Monitoringof a LV Ge
Page 29 and 30: Protection and Monitoringof a LV Ge
Page 31 and 32: The Schneiderprotection solution4.1
Page 35 and 36: The Schneiderprotection solutionThe
Page 37 and 38: The Schneiderprotection solutionb r
Page 41 and 42: Summary5.1.DiagramA typical example
Page 43 and 44: Summary5.3. Summaryfunctions produc
Page 45: 6.1. Characteristics tablesof circu
Page 49 and 50: 6.1. Characteristics tablesof circu
Page 51 and 52: 6.1. Characteristics tablesof circu
Page 53 and 54: 6.2. Control unitscharacteristicsCo
Page 59 and 60: E887406.2. Control unitscharacteris
Page 61 and 62: 6.2. Control unitscharacteristicsMi
Page 73 and 74: CTCDCE6.3. Communicationcharacteris
Page 75 and 76: CD3 CD2 CD1CE6 CE5 CE4CD3 CD2 CD183
Page 77 and 78: 6.3. Caractéristiquesde la communi

LV generator protection - engineering site - Schneider Electric

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