Specifications: Electrical Specification

AC Output

 

 

 

AC Output

 

 

 

 

 

 

 

Voltage

480 V

 

Current Nom

1203 A

 

Max (note 11)

1504 A

 

Recommended cable (per phase)

5 × 500 kcmil

 

 

 

 

AC Input External Bypass SSW

The External Bypass SSW is designed to accommodate a continuous overload of 25%.

AC Input External Bypass SSW

External Bypass SSW Max Input Current (100% load)

1203 A

 

 

Heat Dissipation

105.5 kBTU/hr (note 10)

Notes

1.Nominal (Nom): Input current based on rated load.

2.Maximum (Max): Input current based on full battery recharge + nominal input voltage + rated load.

3.Current limitation (A) through electronic current limiting is based on full battery recharge + nominal load and -15% input voltage (see “Required Breaker Settings” ).

4.Input, Output and Battery1 and Battery2 circuit cables shall be run in separate conduits or raceways. Cables shall be rated at 600 V as a minimum.

5.Nominal battery voltage at 2.0 volts/cell.

6.Recommendation: All cables shall be sized in accordance with 2002 NEC 210-19 FPN No. 4 branch feeder voltage drop of 3%. Voltage drop not considered in above chart. Application- specific Input Cable Ampacity may vary from above chart.

7.Equipment Grounding Conductors shall be sized in accordance with Table 250-122 of the 2002 NEC and shall be installed in accordance with Article 250 Section VI and Section VII of the 2002 NEC. Grounding Electrode Conductors shall be sized in accordance with Article 250.66 and Table 250.66 of the 2002 NEC and should be installed in accordance with Article 250

Symmetra MW 1000 kW 480 V Installation - 990-4112E

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American Power Conversion MW manual AC Output, AC Input External Bypass SSW, Heat Dissipation