Tripp Lite S3M20K-20K4T Owner's Manual

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3. Installation and Wiring

3.13 Dual Input (Mains and Bypass) Connections

M/1R PRIMARY (Mains) INPUT CONNECTION OUTPUT and BATTERY CONNECTION

B/2R SECONDARY- BYPASS (Bps) INPUT Output-L1: Output Phase L1

Mains-L1: Primary input Phase L1 Output-L2: Output Phase L2

Mains-L2: Primary input Phase L2 Output-L3: Output Phase L3

Mains-L3: Primary input Phase L3 Output-N: Output Neutral

Input-N: Input Neutral for primary and secondary input GND: Grounding

Bps-L1: Secondary input Phase L1 BAT+: Positive terminal of the batteries string

Bps-L2: Secondary input Phase L2 BATN: Neutral terminal of the batteries string

Bps-L3: Secondary input Phase L3 BAT-: Negative terminal of the batteries string

WARNING: In the case of dual input operation, ensure the shorting jumper between each input

line has been removed. The AC input and the AC bypass supplies must be referenced to the same

neutral point.

Choose the appropriate power cable (refer to Table 3.2 above).

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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