Table 3-5. External Power Wiring Requirements For The Eaton 93Pm 150 Kw Four-Wire Siac-B And 93Pm 200 Kw Four-Wire Siac-B - Four Breaker Maintenance Bypass - Eaton 93PM 150 kW SIAC-B Three-Wire Installation And Operation Manual
Sidecar integrated accessory cabinet-bypass
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- Installation and operation manual (102 pages)
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Installation Plan and Unpacking
NOTE
Table 3-5. External Power Wiring Requirements for the Eaton 93PM 150 kW Four-Wire SIAC-B and 93PM 200 kW
Four-Wire SIAC-B – Four Breaker Maintenance Bypass
Basic Unit Rating
Input/Output Voltage
AC Input to
(3) Phases, (1) Neutral – see Note, (1) Ground
Minimum Conductor Size (Phase A, B, and C and Neutral)
Number per Phase
Minimum Conductor Size (Ground)
Number per Phase
AC Input to RIB
(3) Phases, (1) Ground
Minimum Conductor Size (Phase A, B, and C)
Number per Phase
Minimum Conductor Size (Ground)
Number per Phase
AC Output to Critical Load
Full Load Current
(3) Phases, (1) Neutral – see Note, (1) Ground
Minimum Conductor Size (Phase A, B, and C and Neutral)
Number per Phase
Minimum Conductor Size (Ground)
Number per Phase
Building and Inter-Cabinet Ground
Minimum Conductor Size (Ground)
Number per Phase
NOTE
Callout letters A, B and C map to Figure 5-3 and Figure 5-9.
NOTE
The neutral conductor is sized the same as the phase conductor for balanced and resistive loads. Non-linear loads, up to the
maximum of 1.5x the load current, require a larger neutral conductor and should be sized in accordance with NFPA NEC 70 Article
310.15(B)(5).
3-18
Eaton 93PM Sidecar Integrated Accessory Cabinet-Bypass (150 kW and 200 kW SIAC-B) Installation and Operation Manual P-164000387—Rev 7
The UL 924 Emergency Lighting UPS utilizes the SIAC-B for maintenance purposes
only. The SIAC-B is not used for protection of conductors and is utilized as a
switching component only. Use the tables provided in the applicable Eaton 93PM
UPS Installation and Operation manual, listed in paragraph 1.7, for the appropriate
conductor and upstream breaker size.
Maintenance Bypass
Units
kW
Volts
Maximum Amps
A
AWG or kcmil
(each)
AWG or kcmil
—
(each)
Maximum Amps
B
AWG or kcmil
(each)
AWG or kcmil
—
(each)
Maximum Amps
C
AWG or kcmil
(each)
AWG or kcmil
—
(each)
—
AWG or kcmil
(each)
Rating 60 Hz
150
200
480/480
480/480
218
291
3/0
300
(2)
(2)
4
3
(1)
(1)
218
291
2/0
4/0
(2)
(2)
4
3
(1)
(1)
180
240
2/0
4/0
(2)
(2)
4
3
(1)
(1)
4
4
(1)
(1)
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