APC BC300 Series User Manual download pdf (Page 13)

Installation

990-1401

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

3.3.3 Wiring Diagram for BC300

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.

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

1 2 3

L1 L2 L3 N G L1 L2 L3 N G E

L1 L2 L3 N G L1 L2 L3 N G

1 2 3

X001

X009

X0012

X004

X003

X004X001

X002

UPS AUX

External

Connection

Board

System output

3- or 4-wire + ground

Maintenance Bypass Panel

Utility

input 1

Utility

output

UPS

System input

3- or 4-wire + ground

Grounding

Electrode

1 2 ... 8 9 10 11 12 13 14 15 16 17 18 ... 37 38

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APC BC300 Series User Manual Page 13

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