APC 6000 installation manual Modular UPS cubicle

Installation (cont.)

Example of 2 multi-bypass modular UPS cubicles for redundancy (from 250 to 500kVA)

	modular UPS cubicle 1
						Q3BP			earth
mains 2		Q4S	static
			switch
mains 1									inverter 1
	Q1	rectifier	inverter 1					Q5N	output
		charger
						frames interconnection for earthing
earth	battery cubicle		QF1	+	-	+	-	other battery	earth
	beside rectifier-							cubicles (if
	inverter cubicle 1							applicable)
									load
						frames interconnection for earthing
	modular UPS cubicle 2
						Q3BP			earth
mains 2		Q4S	static
			switch
mains 1									inverter 2
	Q1	rectifier						Q5N	output
			inverter 2
		charger
						frames interconnection for earthing
	battery cubicle		QF1	+	-	+	-	other battery	earth
earth	beside rectifier-							cubicles (if
	inverter cubicle 2							applicable)

Fig. 14

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