Electrical Installation
Typical UPS Wiring Principle
Power wiring overview
See separate guide on parallel operation for wiring overview in parallel systems.
See also
AC Mains
Input Lugs
480 V, 3PH, 3W & GND
Q1Q5
22
Battery 1
Battery | Battery 2 | UPS | 7 |
Breakers |
| 5 |
|
|
|
| |
Q7 | Q8 |
|
|
External | 2 | 2 |
|
Battery |
|
| |
|
|
|
2
Q2
SSW
7
2 |
|
| 2 |
|
Q6 | KK | 4 | Q3 | 4 |
|
| |||
| Q4 |
|
| KK |
|
|
|
|
| 480 V, 3PH, 3W & GND |
4 LBB |
|
KK 4 | Output Load Lugs |
1. SOURCE AND AC CABLING MUST BE 480 VOLT, WYE CONNECTED, 3 PHASE, 3 WIRE + GROUND (CONTACT APC IF OTHER).
2. DASHED LINES BETWEEN UNITS ( — — — ) REPRESENT AC/DC CABLING PROVIDED BY OTHERS.
3. ALL AC CIRCUIT BREAKERS ARE 100% CONTINUOUS DUTY RATED WITH 24 VOLT DC SHUNT TRIPS AND 2A/2B AUXILIARY CONTACTS.
4. OPTIONAL COMPONENTS
5. SEPARATE CONDUITS. TWO WIRE + GROUND
6. UPS INPUT AND OUTPUT CONDUCTORS MUST BE IN SEPARATE AMPERE RATINGS.
7. UPS AND STATIC BYPASS WITHSTAND 200,000 SYMMETRICAL AMPERES.
8. INSTALLATION MUST COMPLY WITH ALL APPLICABLE NATIONAL AND LOCAL CODES.
Symmetra MW 1000 kW 480 V Installation - | 7 |