Low-voltage switchgear	
	
Type of installation			
	Wall-standing			Double-front	
	Back-to-back				
Installation site/altitude (above sea level)			< 2000 m		> 2000 m	
Environmental conditions	
Degree of protection			IP30		IP31		IP40	
			IP41		IP	
Ambient temperature (24 h mean)			35 °C		            °C		
			
Supply system / feed-in data	
System configuration			
	TN-S		TN-C-S			TN-C			
	TT		IT			TN-S (EMC-friendly)	
Number of transformers		units	
Transformer power (per transformer)		kVA	
Transformer rated short-circuit voltage ukr			4 %		6 %	
Rated operating voltage Ue		V	
Rated frequency f			50 Hz		         Hz	
Rated feed-in current Ie		A	
Busbar system	
Rated current Ie of the main busbar		A (NPS section) / 	A (SPS section)	
Rated short-time withstand current Icw of the main busbar			kA (NPS section, 1 s) /	
			kA (SPS section, 1 s)	
PEN / N-conductor cross section			50 %		100 %	
Standards and regulations	
Design verified modules according to IEC 61439-1/-2		Yes			
Protection against accidental arcing IEC 60439-1 Addendum 2	
	Operator safety			Operator and system safety	
	Busbar insulation				
			
Connection data	
Connection of incoming/outgoing feeders > 630 A			
	Busbar trunking system			Cable	
Connection direction to switchgear			Top		Bottom	
			Top/bottom	
Mounting designs	
Incoming feeders			
	Fixed mounting			Withdrawable unit	
Couplings			
	Fixed mounting			Withdrawable unit	
Outgoing feeders > 630 A			
	Fixed mounting			Withdrawable unit	
Outgoing feeders ≤ 630 A			
	Fixed mounting			Withdrawable unit	
	Plug-in unit				
Type of outgoing feeders ≤ 630 A			
	Circuit-breaker protected			Fuse protected	

With the completed list you have gained an overview of the project.
Do you need detailed information e.g. about concept development or budget estimation?
With the data contained in the checklist, contact your responsible TIP contact person:	
Totally Integrated Power supports electrical designers in different planning stages with software tools, Revit files for Building Information Modeling (BIM), tender specification texts, planning and application manuals and professional consulting by our experienced technical specialists in many countries: www.siemens.com/tip-cs

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