Eaton 93pm Installation Manual page 27

Table 5. External Power Cable Terminations for the Eaton 93PM IBC-S
Terminal
Model Function
DC Output
IBC-S
Customer Ground
NOTE Customer ground, sized in accordance with NEC Table 250.122, can be run in any conduit listed. Refer to the appropriate
UPS manual.
External DC input overcurrent protection and disconnect switch for the remote battery location (three or four
IBCs) is to be provided by the customer.
breakers satisfying the criteria for both.
Table 6. Recommended DC Circuit Breaker or Disconnect Ratings (Three or Four IBCs)
Model
IBC-S
3 3 . . 2 2 . . 3 3 I I B B C C I I n n t t e e r r f f a a c c e e W W i i r r i i n n g g P P r r e e p p a a r r a a t t i i o o n n
Control wiring for features and options should be connected at the customer interface terminal blocks located
inside the IBC.
Do not directly connect relay contacts to the mains related circuits. Reinforced insulation to the mains is
required.
Read and understand the following notes while planning and performing the installation:
• Use Class 1 wiring methods (as defined by the NEC) for interface wiring from 30V to 600V. The wire
should be rated for 600V, 1A minimum. 12 AWG maximum wire size.
• Use Class 2 wiring methods (as defined by the NEC) for interface wiring up to 30V. The wire should be
rated for 24V, 1A minimum.
• Because of the battery shunt trip wiring route in the 93PM UPS cabinet, the wiring from the IBC to the
UPS must use wire rated for 600V and Class 1 wiring methods.
• The battery detect signal wiring from the battery cabinet must be connected to a programmed UPS
building alarm.
• Battery detect and 48 Vdc shunt trip wiring should be a minimum of 18 AWG.
• Use twisted-pair wires for each input and return or common.
• All interface wiring and conduit is to be supplied by the customer.
• Interface wiring can be installed using the inter-cabinet wiring access pass-through or by routing wiring
through conduit between cabinets.
• Install the interface wiring in separate conduit from the power wiring.
Eaton 93PM Integrated Battery Cabinet-Small (IBC-S) Installation Manual 164000305—Rev 06
Number and Size of
Terminal Function Pressure Termination
Battery + Positive
Battery – Negative
Ground Ground
Table 6 lists the maximum rating for continuous-duty rated circuit
UPS Model
50 kW
100 kW
WARNING
Installation Plan and Unpacking
Tightening
Torque Nm (lb in)
2 - #6-250 kcmil 31 (275)
2 - #6-250 kcmil
31 (275)
6 - #6-1/0 5.1 (45)
Screw Size
and Type
5/16" Hex
5/16" Hex
Slotted
Input Rating
300A
19