LV generator protection - engineering site - Schneider Electric
LV generator protection - engineering site - Schneider Electric
LV generator protection - engineering site - Schneider Electric
You also want an ePaper? Increase the reach of your titles
YUMPU automatically turns print PDFs into web optimized ePapers that Google loves.
6.1. Characteristics tablesof circuit breakersMasterpact NW08 à NW63056409sicommon characteristicsnumber of poles 3 / 4rated insulation voltage (V) Ui 1000/1250impulse withstand voltage (kV) Uimp 12rated operational voltage (V AC 50/60 Hz) Ue 690/1150suitability for isolation IEC 60947-2degree of pollution IEC 60664-1 4circuit-breaker characteristics as per IEC 60947-2rated current (A) In at 40 °C / 50 °C**rating of 4th pole (A)sensor ratings (A)056410sitype of circuit breakerultimate breaking capacity (kA rms) Icu 220/415 VV AC 50/60 Hz440 V525 V690 V1150 Vrated service breaking capacity (kA rms) Ics % Icurated short-time withstand current (kA rms) Icw 1sV AC 50/60 Hz3sintegrated instantaneous <strong>protection</strong> (kA peak ± 10%)rated making capacity (kA peak) Icm 220/415 VV AC 50/60 Hz440 V525 V690 V1150 Vbreak time (ms)closing time (ms)circuit-breaker characteristics as per NEMA AB1breaking capacity (kA)V AC 50/60 Hz240 V480 V600 Vswitch-disconnector characteristics as per IEC 60947-3type of switch-disconnectorrated making capacity (kA peak) Icm 220/415 VV AC 50/60 Hz440 V500/690 V1150 Vrated short-time withstand current (kA rms) Icw 1 sV AC 50/60 Hz3 sultimate breaking capacity (Icu) with external <strong>protection</strong> relay,maximum delay 350 msinstallation, connection and maintenanceservice life mechanical with maintenanceC/O cycles x 1000without maintenanceelectrical without maintenance 440 V690 V1150 Vmotor control (AC3-947-4)690 Vconnection drawout FCRCfixed FCRCdimensions (mm) drawout 3PH x W x D4Pfixed 3P4Pweight (kg) drawout 3P/4P(approximate) fixed 3P/4P* see the current-limiting curve in the "additional characteristics" section** 50°C: rear vertical connected. Refer to temperature derating tablesfor other connection types.(1) except 4000 A.50