Emerson 10-30kVA, 208V Battery Manufacturers and Models, Input Rectifier, DC Intermediate Circuit

UPS Specifications

6.4.1 Battery Manufacturers and Models

Either of two manufacturers’ batteries will be installed in the NX 10-30 kVA 208V as shipped. Below are the battery makers and the models they supply.

Table 11 Approved batteries

Battery Manufacturer		Models Supplied
Enersys Yuasa	NPX-80FR		NPX-100FR	NPX-150FR
C&D Dynasty	UPS12-100MR		UPS12-140MR	-

6.4.2 Input Rectifier

Table 12 Rectifier input power

Rated Power	10kVA	15kVA		20kVA	30kVA
Rated Voltage, VAC			120/208
Supply		3-phase, 4-wire plus ground
Input Voltage Tolerance, VAC (without derating)			166-239
Frequency, Hz			50 / 60
Input Frequency Tolerance %			±10
Power Factor		≤ 0.99 at full load
		≤ 0.95 at 50% load
Harmonic Current	Less than 4% at full rated UPS output load
Input Current,1 Nominal, A	28	42		56	83
Output Current, Nominal, A	28	42		56	83
Notes:	100% Imax <I<125% Imax: 10 min.
1. Overload capacity of input current:
	125% Imax <I<150% Imax: 1 min.

I>150%: Limits input current immediately

6.4.3 DC Intermediate Circuit

Table 13 DC intermediate circuit

Rated Power	10kVA	15kVA		20kVA	30kVA
	Number of batteries is 24 jars (12V per jar), or 144 cells (2V per
Recommended number of lead-acid batteries	cell) for VRLA. The unit is shipped with a nominal voltage of
	288VDC.
Recommended float charge voltage		2.27VDC*
Recommended boost charge voltage			2.3VDC*
Recommended end of discharge voltage		1.65-1.8 VDC
Maximum recharge battery current, A	7.5	7.5		15	15
Maximum boost charge duration, min.*			1440
Boost-float threshold current, A*		0.1 C default
Temperature voltage compensation, mV/°C*			3
Ripple voltage superimposed %			≤ 1

* Set by configuration software and based on usage of VLRA batteries.

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