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0MLMHTM30RUENUA
5.2
Minimum Wire Size Requirements
Bypass Input (for dual input unit only)
UPS
models
Phase and Neutral Conductor
300 kVA
2 x 250 kcmil / (2 x 127 mm
2
)
400 kVA
3 x 250 kcmil / (3 x 127 mm
2
)
500 kVA
4 x 250 kcmil / (4 x 127 mm
2
)
Output
UPS
models
Phase and Neutral Conductor
300 kVA
3 x 2/0 AWG / (3 x 67.4 mm
2
)
400 kVA
3 x 3/0 AWG / (3 x 85.0 mm
2
)
500 kVA
3 x 4/0 AWG / (3 x 107 mm
2
)
Battery
UPS
models
Phase Conductor
300 kVA
3 x 250 kcmil / (3x 127 mm
2
)
400 kVA
3 x 350 kcmil / (3 x 177 mm
2
)
500 kVA
3 x 500 kcmil / (3 x 253 mm
2
)
Note: For 500kVA, when installing copper wires, use a suitable oxide inhibiting compound.
Input (for single input unit)
UPS
models
Phase and Neutral Conductor
300 kVA
2 x 250 kcmil / (2 x 127 mm
2
)
400 kVA
3 x 250 kcmil / (3 x 127 mm
2
)
500 kVA
4 x 250 kcmil / (4 x 127 mm
2
)
Rectifier Input (for dual input unit only)
UPS
models
Phase Conductor
300 kVA
2 x 250 kcmil / (2 x 127 mm
2
)
400 kVA
3 x 250 kcmil / (3 x 127 mm
2
)
500 kVA
4 x 250 kcmil / (4 x 127 mm
2
)
