Eaton 91PS User And Installation Manual page 53

Eaton 91PS/93PS UPS 8–40 kW
Figure 15: Power cable terminals in the 93PS 40 kW frame with a separate
battery (option)
X1
X2
X3
X4/1/
+
X4/3/
+
NOTE: External overcurrent protection is not provided by this product, but is
required by codes. Refer to Table 14: Minimum recommended multi-core cable
and fuse sizes for rectifier and bypass input and UPS output cables (3–phase
input, 3–phase output models) for wiring requirements. If a lockable output
disconnect is required, it must be supplied by the user.
Table 21: UPS power cable terminal torques
UPS rating
93PS 8-20 kW
© Eaton Corporation plc 2020. All rights reserved.
Rectifier input
Bypass input
UPS output
External battery + for UPM1
External battery + for UPM2
X1, X2, X3: L1, L2, L3, N
X4/2/- External battery - for UPM1
X4/4/- External battery - for UPM2
TB20 External battery trip and aux signal
(N.O.) for UPM1
TB21 External battery trip and aux signal
(N.O.) for UPM2
PE Protective earth
Function
X4: battery +/-
Revision: 006 Document ID: P-164000493
User's and Installation Guide
Tightening torque [Nm]
1.6
3.0
53 (126)