Specifications for 20 kVA 3:1 384 VDC UPS

Input	Voltage (V)	380 V	400 V	415 V
	Connections	L1, L2, L3, PE*
	Input voltage range (V)	304-456
	Frequency (Hz)	45-55
	Nominal input current (A)	42	40	39
	Maximum input current (A)	52	50	48
	Input current limitation (A)	60
	Total harmonic distortion (THDI)With filter.*	6 pulses ≤15%
	Input power factorWith filter.*	≥ 0.9
	Maximum short circuit rating	Icc=10 kA
	Protection	Breaker
	Ramp-in	15 seconds
Bypass	Voltage (V)	220 V	230 V	240 V
	Connections	L, N, PE
	Overload capacity	110% continuous; 125% for 10 minutes; 150% for 1 minute
	Bypass voltage range (V)	165-275
	Frequency (Hz)	50
	Nominal bypass current (A)	91	87	83
	Nominal neutral current (A)	91	87	83
	Maximum short circuit rating	Icc=10 kA
Output	Voltage (V)	220 V	230 V	240 V
	Connections	L, N, PE
	Overload capacity	110% continuous; 125% for 10 minutes; 150% for 1 minute
	Output voltage regulation	± 1%
	Dynamic load response	20 milliseconds
	Output power factor	0.8
	Nominal output current (A)	91	87	83
	Total harmonic distortion (THDU)	<2% at 100% linear load; <4% at 100% non-linear load
	Output frequency (Hz)	50 ± 1%
	Output short-circuit current at 60 ms (A)	272
	Output performance classification (according to IEC/ EN62040-3)	VFI-SS-111
Battery	Battery blocks supported	29-32
	Charging current	The charging current is determined by the battery capacity. Default is 0.1 C.
	Maximum charging power (kW)	16
	Nominal battery voltage (VDC)	348-384
	Nominal float voltage (VDC)	391.5-432
	End of discharge voltage (full load) (VDC)	304
	Battery current at full load and nominal battery voltage (A)	49
	Battery current at full load and minimum battery voltage (A)	57
	Temperature compensation (per cell)	-3.3 mV per °C for T ≥ 25 °C, 0 mV per °C for T < 25 °C