Toshiba G8000 Series UPS
Installation Planning Guide for 300kVA UPS
Standard System: 480V Input, 480Y/277V Output
General Mechanical Information
Dimensions
Approximate Full-
Weight
(W x D x H)
Load Heat Loss
Inches
Lbs.
Btu/Hr
82.7 x 35.4 x 78.75
4,630
76,184
Primary AC Input (480V 3-Phase / 3-Wire)
Maximum Input Power
Demand
External Overcurrent
Suggested Minimum Feeder
Suggested Maximum Feeder Length
Protection
Wire Size – Per Phase
AWG or kcmil at 75º C Temp. Rating
For Min. Wire Size in Steel Conduit
kVA
PF
Amps
Amps
Feet
300 >0.98
361
500 AT
(2) x 4/0
380
Alternate (Bypass) AC Input (480V 3-Phase / 4-Wire)
Maximum Input Power
Demand
External Overcurrent
Protection
Suggested Minimum Feeder
Suggested Maximum Feeder Length
Wire Size – Per Phase / Neutral For Min. Wire Size in Steel Conduit
kVA
PF
Amps
Amps
AWG or kcmil at 75º C Temp. Rating
Feet
300
0.8
361
500 AT
(2) x 2/0 / (2) x 350
380
Battery Input (360VDC Nominal)
Battery Capacity Required Maximum Discharge
External Overcurrent Suggested Minimum Feeder
Suggested Maximum Feeder Length For
Min. Wire Size in Steel Conduit
for Full Load Output
at Full Load Output
Protection
Wire Size – Per Phase
kWB
Amps DC
Amps
AWG or kcmil at 75º C Temp. Rating
Feet
255.3
887
1000 AT
(2) x 4/0 per battery cabinet
70
AC Output (480/277V 3-Phase / 4-Wire)
External Overcurrent
Protection
Suggested Minimum Feeder
Suggested Maximum Feeder Length
Rated Output Power
Wire Size – Per Phase / Neutral For Min. Wire Size in Steel Conduit
kVA
PF
Amps
Amps
AWG or kcmil at 75º C Temp. Rating
Feet
300
0.8
361
500 AT
(2) x 4/0 / (2) x 350
380
Important Notes:
11. Sizing calculations based on the following assumptions:
1. Maximum Current required at Primary AC Input based on full
load output and maximum battery charging current.
-
Not more than 3 current-carrying conductors installed in steel
conduit in ambient temperature of 30 degrees C.
-
-
Temperature rating of conductors and terminals: 90 deg. C.
2. Output load conductors are to be installed in separate
conduit from input conductors.
Feeder distance calculations based on NEC Tables 8 and 9
data, allowing for 2% AC voltage drop.
3. Control wires and power wires are to be installed in separate
conduits.
-
Reference: 2002 NEC Handbook. Consult latest edition of
applicable national and local codes for possible variations.
4. Recommended AC input and output overcurrent protection
based on continuous full load current per NEC.
12. Ratings of wires and overcurrent devices are suggested
minimums. Consult with a registered Professional Engineer
within your local area for proper size selections.
5. Wiring shall comply with all applicable national and local
electrical codes.
13. More than one Battery Cabinet will require a DC Junction box
for all battery cabinet connections.
6. Grounding conductors to be sized per NEC Article 250-122.
Neutral conductors to be sized per NEC Article 310.15.
- Primary AC Input: 3φ, 4-wire + ground.
- Alternate AC Input: 3φ, 4-wire + ground.
- AC Output: 3φ, 4-wire + ground.
- DC Input: 2-wire (Positive/Negative) + ground.
7. Nominal battery voltage based on the use of VRLA type
batteries (2.0 volts/cell nominal).
TOSHIBA INTERNATIONAL CORPORATION
13131 West Little York Road
Houston, TX 77041
Telephone: (800) 231-1412
Fax: (713) 896-5212
8. Maximum battery discharge current based on lowest
permissible discharge voltage of 1.6 VPC.
9. DC wires should be sized to allow not more than a 2-volt
drop at maximum discharge current.
10. Weights do not include batteries or other auxiliary equipment
external to the UPS.
Group Web Site: www.toshibaups.com
Rev. 1.03
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G8000-IPG-300kVA
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