APC 10-40kW 208/480V Installation Guide download pdf (Page 24)

24 Installation Guide Silcon DP300E 208V/480V 10-80 kVA

7OY0002 US rev. 04

Connection

SYSTEM a) EXT. b) c) EXT. a) EXT. b) d) EXT. b) e) EXT. EXT. EXT. g) EXT. b) EXT.

INPUT INPUT OUTPUT OUTPUT NEUTRAL EQUIP. GROUND. BATTERY DC

FUSES PHASE FUSES PHASE CONDUC. GROUND. ELECTRO. MCCB CONDUC.

[A] CONDUC. [A] CONDUC. [AWG] CONDUC. CONDUC. [A] [AWG]

[AWG] [AWG] [AWG] [AWG]

DP360E 225 2 * 3/0 175 2 * 1/0 2 * 250 4 2 200 4/0

[208V] kcmil

DP380E 300 2 * 250 250 2 * 3/0 2 * 400 4 2 250 350

[208V] kcmil kcmil kcmil

a) Class J-fast acting in accordance with UL248-8.

b) Cable sizes refer to US National Electric Code, Table 310-16, Copper material, cables rated

75˚C/167˚F at max. 40˚C/104˚F ambient in conjunction with “Notes to Ampacity Tables of 0

to 2000 Volts” point 8. Input, output and DC cables are routed in separate conduits.

All AC cables rated 600V.

DC cables for 208V systems rated 600V.

DC cables for 480V systems rated 1000V unless stated otherwise.

As regards recommended cable lugs and crimping tool, see section 4.1.4.

c) Input phase cable dimensioned for max. UPS input current. (Please refer to Quick

Reference DP300E Series UL for current values).

d) Output phase cable dimensioned for rated UPS output current. (Please refer to Quick

Reference DP300E Series UL for current values).

e) Output neutral cable dimensioned for max. non-linear load. (I

NEUTRAL

= √3 * I

LOAD PHASE

Input neutral cable dimensioned for max. non-linear load in bypass mode.

NEUTRAL

= √3 * I

LOAD PHASE

For linear load neutral cable can be rated as output phase cables.

f) DC cables dimensioned for maximum discharge current. (Please refer to Quick Reference

DP300E Series UL for current values).

g) Alternate suppliers of battery cubicle must be Listed by Unterwriters Laboratory.

When APC battery cubicle is not used, the appropriate APC MCCB-box is mandaroty.

NOTE:

Grounding, please refer to local

legal provisions.

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APC 10-40kW 208/480V Installation Guide Page 24