APC Symmetra MW Installation Guide download pdf (Page 36)

Specifications: Electrical Specifications

30 Symmetra MW 800 kW 3 × 400/230 V Installation Guide - 990-1510B

Notes

1. Nominal (Nom): Input current based on rated load, nominal input voltage and fully charged

batteries.

2. Current limitation is maximum allowed via electronic current limiting and is based on full

battery recharge + nominal load and -10% input voltage.

3. Nominal battery voltage assumed to be 2.0 volts/cell (lead technology).

4. Nominal Battery Discharge current based on rated load, and nominal Battery voltage.

5. Maximum Battery Discharge current based on rated load at end of Discharge.

6. Heat dissipation calculated at rated load capacity.

7. This current is at 125% of rated load and is electronically current-limited to a maximum of 10

minutes. This value is only provided so the engineer can ensure that the selected AC output

circuit overcurrent device’s time-current characteristic will support this condition.

8. At 380 V, nominal output is reduced from 200 kW to 180 kW in each section.

Torque specifications

Bolt Size M8 13.5 Nm

Bolt Size M10 30 Nm

Bolt Size M12 50 Nm

Bolt Size M14 75 Nm

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APC Symmetra MW Installation Guide Page 36