APC BC300 Series manual Wiring Diagram for BC300, Utility input

Installation

3.3.3 Wiring Diagram for BC300

System input

3- or 4-wire + ground

L1 L2 L3 N G	Maintenance Bypass Panel
X001

System output

3- or 4-wire + ground

L1 L2 L3 N G

X004

Utility input 1

X002

L1 L2 L3 N G

L1 L2 L3 N G

X001

UPS AUX

1 2 3

1	2	3	External
			Connection

X009	Board
	X0012

1 2 3 4 5 6 7 8 11 12 13 14 15 16 17

Utility output

X003

L1 L2 L3 N G

L1 L2 L3 N G E

X004Grounding Electrode

UPS

Figure 6 Wiring Diagram

Notes:

1.All systems are 3-wire+ground.

2.Cables not provided by APC.

3.All AC power cables must be 3- or 4-wire plus ground 3-phase

4.Power and data cabling must be run in separate conduits.

5.Installation must comply with national and local codes.

NOTICE!

You must provide overcurrent protection and UPS input AC disconnect means.

Refer to “Technical Specifications” section in this Installation Guide for recommended UPS input and output overcurrent protection.

CAUTION!

UPS systems can be connected as 3-phase, 3-wire plus ground, if no loads are using the neutral conductor.

CAUTION!

Read warnings on page 2 of this Installation Guide before continuing.

NOTICE!

Only authorized electricians may install the UPS and all applicable codes must be observed.

	990-1401
Installation Guide APC BC300 Series 40kW 208/450/480V UPS	13