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Tripp Lite S3M20K-20K4T 3-Phase 208V UPS + Input Isolation Transformer Kit - 480V Delta to 208V Wye, 20kVA/kW, 3 Internal Strings

Owner's Manual - Page 27

For S3M20K-20K4T. Also, The document are for others Tripp Lite models: S3M10K1B*, S3M10K2B*, S3M10K3B*, S3M10K-NIB*, S3M15K2B*, S3M15K3B*, S3M15K-NIB*, S3M20K3B*, S3M20K-NIB*

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27
3. Installation and Wiring
3.11 Single UPS Installation
Installation and wiring must be performed in accordance with local electrical codes/regulations and should only be
performed by qualied personnel.
1. Ensure the mains wire and breakers in the building can sustain the rated capacity of the UPS to avoid electric shock
or re hazard.
Note: Using a wall receptacle as the input power source for the UPS may result in the receptacle burning or being destroyed.
2. Switch o the mains switch in the building prior to installation.
3. Turn o all the connected devices before connecting to the UPS.
4. Prepare the power cables according to Table 3.2. Refer to Table 3.3 for recommended installed screw torque. See
Table 3.4 for UPS input breaker sizes and Table 3.5 for battery cabinet batteries and breaker sizes.
WARNING:Beforeconnectinganywires,ensuretheACinputandbatterypowerareshuto
completely.
Ensure you are aware of the location and operation of the external isolators that are connected
to the UPS input/bypass supply of the utility distribution panel. Check to see if these supplies are
electrically isolated, and post any necessary warning signs to prevent any inadvertent operation.
Table 3.2: Power Cables
RecommendedCableSizes-THHWwiringat167°F(75°C)
UPS Model AC Input AC Output DC Input Grounding Neutral
10kVA
8 AWG
Max 2 AWG (35mm
2
)
8 AWG
Max 2 AWG (35mm
2
)
6 AWG
Max 6 AWG
8 AWG
Max 2 AWG (35mm
2
)
8 AWG
Max 2 AWG (35mm
2
)
15kVA
6 AWG
Max 2 AWG (35mm
2
)
6 AWG
Max 2 AWG (35mm
2
)
2 x 6 AWG
Max 6 AWG
6 AWG
Max 2 AWG (35mm
2
)
6 AWG
Max 2 AWG (35mm
2
)
20kVA
4 AWG
Max 2 AWG (35mm
2
)
4 AWG
Max 2 AWG (35mm
2
)
2 x 6 AWG
Max 6 AWG
4 AWG
Max 2 AWG (35mm
2
)
4 AWG
Max 2 AWG (35mm
2
)
Table 3.3: Recommended Installed Screw Torque
Position
AC Input AC Output Grounding Neutral
Screw Type M6 M6 M6 M6
Recommended Torque (Nm) 6.5 6.5 6.5 6.5
Table 3.4: UPS Input Breakers
UPS Model Capacity UPS Input Breaker Thermal Magnetic
S3M10K1B
10kW 50A, 3 Pole, C-Curve
S3M10K2B
S3M10K3B
S3M10K-NIB
S3M15K2B
15kW 63A, 3 Pole, C-CurveS3M15K3B
S3M15K-NIB
S3M20K3B
20kW 80A, 3 Pole, C-Curve
S3M20K-NIB
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