For external wiring requirements, including the minimum size of external wiring, seeTable 2-4.The power wiring connections for this equipment are rated at 70°C. If wire is run in an ambient temperature greater than 30°C, higher temperature wire and/or larger size wire may be necessary.

Rating

 

UnitsRating 50/60 Hz

 

kVA

450 (2*225)

550 (2*275)

 

 

kW

404 (2*202)

495 (2*247)

Input and output voltage

 

Volts

400/400

400/400

AC input to UPS rectifier

 

 

 

 

Full load current plus battery recharge current

 

Amps

746

912

(3) phases, (1) ground

A

 

 

 

 

 

 

 

Minimum conductor size

 

mm2

Refer to national

Number per Phase

 

(each)

and local rules

AC Output to UPS Bypass

 

 

 

 

Full load current

 

Amps

672

820

(3) phases, (1) neutral–if required, (1) ground B

B

 

 

 

Minimum conductor size

mm2

Refer to national

 

 

(each)

and local rules

Number per phase

 

DC input from battery to UPS

 

Amps

950

1300

(1) positive, (1) negative c

C

minimum conductor size

 

 

 

 

mm2

Refer to national

number per pole

 

(each)

and local rules

 

 

AC output to critical load

 

 

 

 

full load current

 

Amps

580

800

(3) phases, (1) neutral–if required, (1) ground d

D

 

 

 

 

 

 

 

minimum conductor size

 

mm2

Refer to national

number per phase

 

(each)

and local rules

NOTE callout letters A, B, C, and D map to figure 6-5 on page 6-6.

Table 2-4. Input/output ratings and external wiring requirements for the Powerware 9395-550 and 9395-2*275

Read and understand the following notes while planning and performing the installation:

•Refer to national and local electrical codes for acceptable external wiring practices.

•Material and labor for external wiring requirements are to be provided by designated personnel.

•For external wiring, use 70°C copper wire. See the appropriate information inTable 2-4. Wire sizes are based on using the specified breakers.

•The bypass feed into this equipment uses three or four wires.The rectifier feed into this equipment uses three wires.The phases must be symmetrical about ground (from a Wye source) for proper equipment operation.

•If the load requires a neutral, a bypass source neutral must be provided. If the load does not require a neutral and there is no neutral conductor connected at the bypass input, a neutral to ground bonding jumper must be installed. DO NOT install both a source neutral and a bonding jumper.

•The UPS cabinet is shipped with a debris shield covering the ventilation grill on top of the unit. Do not remove the debris shield until installation is complete. However, remove the shield before operating the UPS. Once the debris shield is removed, do not place objects on the ventilation grill.

1027574

UPS 450 - 550 kVA (2x225 - 2x275 kVA)

15

Revision B

User’s and Installation Guide