Installation guide

42 Installation Guide Silcon DP300E 480V 120-160kVA
7OH0006 US rev. 03
Connection
Centres for fixing holes
in rear of enclosure
B
A
4 x Ø 10mm on 648 x 448
4.7.3 Mounting and Connection
NOTE:
All external cable dimensions
are recommended.
Please refer to local national
legal codes.
NOTE:
Terminal for Equipment
Grounding Conductor is
marked
NOTE:
Ensure correct polarity at
connection of DC cables.
NOTE:
Grounding, please refer to local
legal provisions.
Type For Conduc– Battery DC Dimensions Fixing
System tors for MCCB conductors HxWxD centres
equipment [A] per battery [mm
3
] AxB
grounding pole [mm
2
]
c) a)
MCCB– DP3120E b) 200 2 x 1/0 750 x 550 648 x
3120E–480 - 480V AWG x 175 448
MCCB– DP3160E b) 250 2 x 3/0 750 x 550 648 x
3160E–480 - 480V AWG x 175 448
4.7.3.1 Mounting and Connection
DC-cables rated 600V on 480V systems from MCCB-box to UPS.
a) Cable sizes refer to US National Electric Code.
All cables rated for 125% * nominal currents.
All DC cables rated 600V.
The tabled configurations are routed in conduits as follows:
DC: Battery 1:1 conduit with +, +, –, –, and equipment ground each.
Battery 2:1 conduit with +, +, –, –, and equipment ground each.
MCCB Power conductors and MCCB control wiring must be in separate conduits.
As regards recommended cable lugs and crimping tool, see section 4.1.6.
b) Routed in each of the power cable conduits for the connected equipment.
Cable sizes refer to NEC.
As regards recommended cable lugs and crimping tool, see section 4.1.6.
c) Alternate suppliers of battery cubicle must be Listed by Unterwriters Laboratory.
When APC battery cubicle is not used, the proper DC disconnects/overcurrent must be used
in accordance with the APC Design Guide.
Type For Weight
System [kg/lbs]
MCCB– DP3120E 24/52.8
3120E–480 - 480V
MCCB– DP3160E 24/52.8
3160E–480 - 480V
External power conductors, overcurrent protection & mechanical sizes