Eaton 93PR Series, User And Installation Manual

Page: 37 / 98

25-75 kW
User's and Installation Guide 28
• Specification is for copper wire with a 90 °C rating.
• The bypass feed into this equipment uses four wires. The rectifier feed into this equipment uses three or
four 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 must be installed to source
star point.
• A readily accessible disconnect device must be incorporated in all fixed input wiring.
Table 3-5: Maximum Support Multi-core Cable Sizes
UPS
rating
Rectifier
input
(L1, L2, L3)
Bypass
input
(L1, L2, L3)
UPS
output
(380/400/415V)
(L1, L2, L3)
N PE
Battery
(BAT+, BAT-)
75 kW 70*1 mm
2
70*1 mm
2
70*1 mm
2
70*2 mm
2
70*1 mm
2
70*2 mm
2
Table 3-6: Minimum Recommended Multi-core Cable and Fuse Sizes
UPS
rating
Rectifier
input
(L1, L2, L3)
Bypass
input
(L1, L2, L3)
UPS
output
(380/400/415V)
(L1,L2,L3)
N PE
Battery
(BAT+, BAT-)
Fuse Cable Fuse Cable Cable Cable Cable Fuse Cable
75 kW
160A 35*1 mm² 180A 35*1 mm² 35*1 mm² 50*1 mm² 50*1 mm² 210A 50*1 mm²
NOTE
Bypass fuse type should be greater than 10 times rated 12
t
20ms.
Table 3-7: Rated and Maximum Currents for Rated Power and Voltage
Rated
power
Rated
voltage
Rectifier
input
Rated current Rectifier
input
Max.current
UPS
Output/
Bypass
Rated current
UPS
Output/
Bypass
Max.current
Battery
Rated current Battery
Max.current
25 kW
380 38 45 38 42 52 63
400 36 42 36 40 52 63
415 35 41 35 39 52 63
50 kW
380 76 89 76 84 104 125
400 72 85 72 80 104 125
415 70 82 70 78 104 125
75 kW
380 114 134 114 127 156 188
400 108 127 108 120 156 188
415 104 122 104 116 156 188