93PS UPS
rating (kW)
8
10
15
20
30
40
Maximum
conductor cross
section
20 kW frame and 20 kW C-model: solid/stranded wire 16 mm
2
,
stranded wire with ferrule: 10 mm
2
40 kW frame: solid wire: 70 mm
2
, stranded wire with ferrule: 50 mm
2
* Minimum recommended
Table 15: Minimum recommended multi-core cable and fuse sizes for rectifier
input, bypass input and UPS output cables (3–phase input, 1–phase output)
91PS UPS rating (kW)
8
10
15
20
30
Rectifier cable [mm
2
]*
2.5
4
10
10
16
Rectifier fuse [A]
20
20
32
40
63
Bypass, output cable [mm
2
]
10
16
25
35
70
Bypass fuse [A]
50
63
80
100
160
PE cable [mm
2
]
10
16
16
16
35
Maximum conductor cross
section
15 kW frame and 15 kW C-model: solid/stranded wire 16
mm
2
, stranded wire with ferrule: 10 mm
2
Bypass/output: solid wire: 70 mm
2
, stranded wire with
ferrule: 50 mm
2
30 kW frame: Rectifier: solid wire 70 mm
2
, stranded wire
with ferrule: 50 mm
2
Bypass/output: solid wire 95 mm
2
, stranded wire with
ferrule: 95mm
2
CAUTION
Make sure that prospective short-circuit current resulting at the input
terminals of the UPS is equal or less than conditional short-circuit
current declared on the type plate (and technical specification) of the
UPS. Also make sure that the prospective short-circuit current meets the
minimum requirements listed in
Table
Minimum required short circuit
current ratings for AC source and battery supply
.
Table 16: Minimum required short circuit current ratings for AC source and
battery supply
UPS model
Minimum short circuit
current, AC ports [A]
Minimum short circuit
current, battery port [A]
93PS-8
200
500
93PS-10
200
500
© Eaton Corporation plc 2020. All rights reserved.
Revision: 006
Document ID: P-164000493
44 (126)
Eaton 91PS/93PS UPS 8–40 kW
User’s and Installation Guide
