APC BC300 Series manual Single Line Diagram for BC300

Installation

NOTICE!

Always keep AC, DC and communication cables separated.

NOTICE!

The grounding electrode conductor (Protective Earth - PE) must be the same size (ampacity) as the UPS input circuit conductors. Conduit is not an acceptable grounding electrode conductor - see National Electrical Code Section 250-91(a).

NOTICE!

The unit is wired from the factory as a separately derived system. Output neutral is bonded to equipment ground through main bonding jumper inside the UPS. See National Electrical Code Article 250-5(d) and 250-26 for correct installation grounding.

3.3.4 Single Line Diagram for BC300

Utility Source (provided by others)

208V 3 or 4 Wire + Ground

MIB

200AT

161A

Service	F4, 5, 6
Bypass
	UIF
Panel
	Q001
	UIS
161A	111A

UPS

200A

250AT

111A

F1, 2, 3

UOF

Q002	Q003
UOS	BS

111A

UPS System Output

40kW

208V 3 or 4 Wire + Ground

Notes:

1.Must be 3- or 4-wire.

2.Must be 3 or 4 cabling provided by others.

3.Input overcurrent protection is based on 80% rating - any deviation, please contact APC.

4.F1, F2, F3 = 120A

5.F4, F5, F6 = 170A

6.All AC power cabling is 3- or 4-wire + Ground at 208VAC 3-phase.

7.UPS output cables and input cables must be in separate conduits.

8.Power wiring and control wiring must be in separate conduits.

9.See installation manual for battery information.

10.Installation must comply with all applicable national and local codes.

Figure 7 Single Line Diagram 208V

990-1401

14 Installation Guide APC BC300 Series 40kW 208/450/480V UPS