Liebert NX UPS System Conformity and Standards, Compliance with European, international standards

Technical Specifications

9.0TECHNICAL SPECIFICATIONS

9.1Conformity and Standards

The UPS has been designed to conform to the following European and international standards:

Table 29 Compliance with European, international standards

Description	Normative reference
General and safety requirements for UPS used in	EN 50091-1-1 /IEC 62040-1-1 / AS 62040-1-1
operator access areas
Electromagnetic compatibility (EMC) requirements for	EN 50091-2 / IEC 62040-2 / AS 62040-2 (Class A)
UPS
Method of specifying the performance and test	EN 50091-3 / IEC 62040-3 / AS 62040-3 (VFI SS 111)
requirements of UPS

The product standards in Table 29 incorporate relevant compliance clauses with generic IEC and EN standards for safety (IEC/EN/AS60950), electromagnetic emission and immunity (IEC/EN/AS61000 series) and construction (IEC/EN/AS60146 series and 60529).

Table 30 Environmental characteristics

	Unit of
Rated power, kVA	Measurement	10		15	20	30
Acoustic Noise Level at 1 Meter (39 in)	dBa	51.0		51.5	51.6	56
			≤1000m (3280 ft) above sea level
Altitude of Operation	m (ft)	de-rate power by 1% per 100m(328 ft) between
		1000 and 2000 m (3280 and 6560 ft)
Relative Humidity	-			0 to 95% non condensing
				0 to 40 (32-104°)
Operating Temperature	°C (°F)	Battery life is halved for every 10° (18°) increase
				above 20° (68°)
Storage-Transport Temperature for UPS	°C (°F)			-20 to 70 (-4 to 158)
Recommended Battery Storage	°C (°F)			-20 to 30 (-4 to 86)°F)
Temperature		(20°C [68°F] for optimum battery storage)

Table 31 Overall efficiency, heat losses and air exchange

	Unit of
Rated Power, kVA	Measurement	10	15		20	30
Normal Mode (dual conversion)	%	90.4	91.2		91.3	91.9
ECO Mode	%	93.2	94.2		94.7	96.6
Inverter Efficiency (DC/AC)
(battery at nominal voltage 480VDC and full-rated linear load)
Rated Power,	kVA	10	15		20	30
Battery Mode	%	91.3	91.7		92.0	92.5
Heat Loss & Air Exchange (Ventilation)
Rated Power	kVA	10	15		20	30
Normal Mode	kW	1.6	1.8		2.2	2.6
ECO Mode	kW	1.3	1.4		1.4	1.5
No Load	kW	1.3	1.3		1.3	1.3
Maximum Forced Air Cooling (front intake, back exhaust)	L/sec (m3/hr)	119		239 (860)
		(428)
Input and output voltage 400VAC, battery charged, full rated linear load

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