UPS Installation Plan and Unpacking
3-8 Eaton 93E UPS (300/400 kVA, 380/400/415V) Installation and Operation Manual
Table 3-6. UPS External Power Cable Terminations for the Eaton 93E 300/400 kVA
Terminal
Function Terminal Function Bus landing
Tightening Torque
Nm (lb in) Screw Size and Type
AC Input to UPS Rectifier
L1 Phase A M10 bolt mounting 47(416) 78.5 mm
2
(M10). Hex
L2 Phase B M10 bolt mounting 47(416) 78.5 mm
2
(M10). Hex
L3 Phase C M10 bolt mounting 47(416) 78.5 mm
2
(M10). Hex
N Neutral M10 bolt mounting 47(416) 78.5 mm
2
(M10). Hex
AC Input to Bypass
L1 Phase A M10 bolt mounting 47(416) 78.5 mm
2
(M10). Hex
L2 Phase B M10 bolt mounting 47(416) 78.5 mm
2
(M10). Hex
L3 Phase C M10 bolt mounting 47(416) 78.5 mm
2
(M10). Hex
N Neutral M10 bolt mounting 47(416) 78.5 mm
2
(M10). Hex
AC Output to Critical Load
L1 Phase A M10 bolt mounting 47(416) 78.5 mm
2
(M10). Hex
L2 Phase B M10 bolt mounting 47(416) 78.5 mm
2
(M10). Hex
L3 Phase C M10 bolt mounting 47(416) 78.5 mm
2
(M10). Hex
N Neutral M10 bolt mounting 47(416) 78.5 mm
2
(M10). Hex
DC Input from External Battery
+ Battery (+) M10 bolt mounting 47(416) 78.5 mm
2
(M10). Hex
– Battery (-) M10 bolt mounting 47(416) 78.5 mm
2
(M10). Hex
Customer Ground
Ground Ground M10 bolt mounting 47(416) 78.5 mm
2
(M10). Hex
NOTE
Callout letters
A
,
B
,
C
, and
D
map to Figure 5-5.
Table 3-7. Recommended Input Circuit Breaker Ratings
Circuit Breaker Rating
UPS Model Load Derating 400V
Eaton 93E-400/300 80% Derated 575A
100% Rating 460A
Eaton 93E-400/400 80% Derated 766A
100% Rating 613A
CAUTION
To reduce the risk of fire, connect only to a circuit provided with maximum input
circuit breaker current ratings from Table 3-7 in accordance with local regulations.