Installation Plan and Unpacking
3-12
Eaton 93E Integrated Transformer Cabinet (ITC) Installation Manual P-164000074—Rev 3
www.eaton.com/powerquality
The power wiring terminals are pressure terminations, UL and CSA rated at 90°C. See Table 3-6, Table 3-7,
Table 3-8, or Table 3-9 for external power cable terminations.
Figure 4-10 and Figure 4-13 show the location of the ITC power cable terminals.
Table 3-6. External Input Power Cable Terminations for the Eaton 93E 30ITC – Single Transformer
Terminal Function
Terminal
Function
Size of Pressure Termination
(AWG or kcmil)
Tightening Torque
Nm (lb in)
Size Screw and Type
480 Vac Input to Input Transformer
XIB–2
Phase A
1 – #14–3/0
5.6 (50)
Slotted
XIB–4
Phase B
1 – #14–3/0
5.6 (50)
Slotted
XIB–6
Phase C
1 – #14–3/0
5.6 (50)
Slotted
208 Vac Output from Input Transformer to UPS
UIB–2
Phase A
1 – #14–3/0
5.6 (50)
Slotted
UIB–4
Phase B
1 – #14–3/0
5.6 (50)
Slotted
UIB–6
Phase C
1 – #14–3/0
5.6 (50)
Slotted
T1–N
Neutral
2 – #6–250
22.6 (200)
1/4" Hex
Building, Load, and Inter-cabinet Ground
TBG
Ground
3 – #14–1/0
5.1 (45)
Slotted
Table 3-7. External Input Power Cable Terminations for the Eaton 93E 30ITC – Dual Transformer
Terminal Function
Terminal
Function
Size of Pressure Termination
(AWG or kcmil)
Tightening Torque
Nm (lb in)
Size Screw and Type
480 Vac Input to Input Transformer
XIB–2
Phase A
1 – #14–3/0
5.6 (50)
Slotted
XIB–4
Phase B
1 – #14–3/0
5.6 (50)
Slotted
XIB–6
Phase C
1 – #14–3/0
5.6 (50)
Slotted
208 Vac Output from Input Transformer to UPS
UIB–2
Phase A
1 – #14–3/0
5.6 (50)
Slotted
UIB–4
Phase B
1 – #14–3/0
5.6 (50)
Slotted
UIB–6
Phase C
1 – #14–3/0
5.6 (50)
Slotted
T1–N
Neutral
2 – #6–250
22.6 (200)
1/4" Hex
208 Vac Input from UPS to Optional Output
Transformer
UOB–2
Phase A
1 – #14–3/0
5.6 (50)
Slotted
UOB–4
Phase B
1 – #14–3/0
5.6 (50)
Slotted
UOB–6
Phase C
1 – #14–3/0
5.6 (50)
Slotted
480 Vac Output from Optional Output
Transformer to Critical Load
XOB–2
Phase A
1 – #14–3/0
5.6 (50)
Slotted
XOB–4
Phase B
1 – #14–3/0
5.6 (50)
Slotted
XOB–6
Phase C
1 – #14–3/0
5.6 (50)
Slotted
T2–N
Neutral
2 – #6–250
22.6 (200)
1/4" Hex
Building, Load, and Inter-cabinet Ground
TBG
Ground
3 – #14–1/0
5.1 (45)
Slotted