multivert® 160 a

72MULTIVERT ® 4a 1250 A, 1600 AMULTIVERT ® 1250 A, 1600 A Technical data in accordance with EN 60947/IEC 60947MULTIVERT ®1250 A 1600 Asize 4a 4anumber of poles/phases 3 3conventional free air thermal current with NH-fuse links I th 1250 A 1600 Amax. allowed power dissipation of NH-fuse links P v 110 W 140 Wconventional free air thermal current with solid links 1) I th 1250 A 1600 Amax. allowed power dissipation of solid links P n 42 W 42 Wutilizationrated operationalcategory voltageU e current I eAC 22 B 400 V I e = 1250 A –AC 21 B 400 V I e = – 1600 Arated operational voltage U e 690 V AC 690 V ACrated insulation voltage U i 1000 A 1000 Arated impulse withstand voltage U imp 8 kV 8 kVrated frequency 50–60 Hz 50–60 Hzdegree of protection IP20 IP20pollution degree 3 3rated duty uninterrupted duty uninterrupted dutyrated short circuit making capacity with solid links I cm 68 kAsw 68 kAswrated short circuit making capacity with fuse links400 V AC 50 kA 31,5 kArated short time withstand current with solid links 1) I cw 32 kA 32 kApower dissipation by I th without NH-fuse links 336 W 568 Wpower dissipation by I th 1000 A without solid links 336 W 568 Wcable terminal connection:standard terminal M16/Phase 2 x M12/Phasefor copper bars with max. width 80 mm 80 mmbus bar terminals:standard terminal M16 M16standard service, mounting and transport conditions see page 861) on requestsubject to alterationMULTIVERT ® status 12/2007