Figure 13. Power cable terminals in the 91PS 30 kW frame with a separate battery
(option)
X1
Rectifier input
X4/2/- External battery - for UPM1
X2
Bypass input
X4/4/- External battery - for UPM2
X3
UPS output
TB20
External battery trip and aux sig-
nal (N.O.) for UPM1
X4/1/+ External b for UPM1
TB21
External battery trip and aux sig-
nal (N.O.)
X4/3/+ External b for UPM2
PE
Protective earth
Eaton 91PS/93PS UPS 8–40 kW
User's and installation guide
©
Eaton Corporation plc 2018. All rights reserved.
Revision: 005
Document ID: P-164000493
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