Planning with SIVACON 8 PS - Siemens

Planning with LXA/LXC5.2 System components5.2.11.4 Tap-off units with circuit-breaker up to 1250 ARated currentsPlug-in tap-off units in two sizes are available for selection:● For 125 to 250 A● For 400 to 630 ATap-off units for permanent installation are supplied in a standard size for 800 A, 1000 A and1250 A.Figure 5-8Plug-in tap-off units from 125 A to 630 AFigure 5-9Tap-off units for permanent installation from 800 A to 1250 AShort-circuit ratingWhen using circuit-breakers with high switching capacity, the conditional short-circuit ratingIcc of the tap-off units is 65 kA for the small and medium sizes and 85 kA for the large size.Assembly componentsThe circuit-breakers have a high switching capacity and can be set up with 3 or 4 poles.Planning with SIVACON 8 PS166 Planning Manual, 10/2007, A5E01541101-01