GE 225, 300 manual 23

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GE

3.8.2Power connection with common input utility

SGS_225-300_UPS connection common_GE_01US

PE Load	PE
	Input rectifier

D		L1
A
O	L2
L
L3
N
				L1-1
		L2-1		R
				IE
				IF
			T
	L3-1		C
		E
		R
		T
		U
N	P
	IN
	-
	1

PE Load

Position of the PE compression lugs in case	PE
	Input rectifier
the cable input is from the bottom of the UPS

Fig. 3.8.2-1 Power connections Common Input Utility

Common Input Rectifier / Bypass

L1-1	Rectifier + Bypass Phase A
L2-1	Rectifier + Bypass Phase B
L3-1	Rectifier + Bypass Phase C
N	Neutral (Bypass)	PE	Ground

Output Load

L1	Load Phase A	L2	Load Phase B	L3 Load Phase C
N	Neutral	PE	Ground

Bus bars BR1, BR2 and BR3 must remain connected.

Cable terminations are to the Rectifier Input Lugs and Output Lugs as shown above. Connect wire to the Lugs using appropriate tools and appropriate torque.

Torque specification for input/output and DC power connections on Bus Bars: Section 3.8.1.

OPM_SGS_ISG_M22_M30_0US_V011.doc 23/38 Installation Guide SG Series 225 & 300 kVA