Table 18: Recommended external battery breakers
Type
Article No
Norminal
battery
voltage
12V VRLA
Blocks
With 91PS/
93PS 8-20 kW
NZMN1–A63
259083
(P-122000209)
336–384 V
28–32
NZMH2–A63
259097
396–480 V
33–40
With 93PS
30-40 kW
NZMN1–A160
281234
(P-122000199)
336–384 V
28–32
NZMN2-A160
259092
396–480 V
33–40
With 91PS
20-30 kW
NZMN1-A125
259086
336–384 V
28–32
NZMN2-A125
259091
396–480 V
33–40
NOTE: Maximum string length for the 91PS/93PS C-model is 32 blocks, 192 cells (384
V).
NOTE: Contact your Eaton sales representative for more information about the
circuit breakers, or if you need help choosing the right model for your UPS
system.
For NZM1 series breakers, use the following 24 V shunt release with early-make
auxiliary contact together with the above circuit breakers.
Type
Article No
NZM1–XAHIVL24AC/DC
259792
(P-152001062)
NOTE: In 93PS UPS C-model, the internal and external circuit breakers function
in cooperation with each other.
Table 19: 93PS rated and maximum currents for rated power and voltage (3–
phase input, 3–phase output models)
Rectifier input
UPS output /
bypass
Battery
Rated
power
[kW]
Rated
voltage
[V]
Rated
current
[A]
Maxi-
mum
current
[A]
Rated
current
[A]
Maxi-
mum
current
[A]
Rated
current
[A]
Maxi-
mum
current
[A]
8
380
13
15
12
18
22
26
400
12
14
12
17
22
26
© Eaton Corporation plc 2020. All rights reserved.
Revision: 006
Document ID: P-164000493
46 (126)
Eaton 91PS/93PS UPS 8–40 kW
User’s and Installation Guide