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Tripp Lite S3M25K-30K4T 3-Phase 208V 25kVA UPS + 30kVA Input Isolation Transformer Kit - 480V Delta to 208V Wye, External Batteries Required

Owner's Manual - Page 7

For S3M25K-30K4T.

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7
2. Important Safety Warnings
2.7 Connection Warnings
• This UPS should be connected with a TN earthing system.
• The power supply for this unit must be 3-phase rated in accordance with the equipment nameplate. It also must be
suitably grounded.
• The input power to 3-phase UPS models requires a 3-pole breaker.
• Use of this equipment in life support applications where failure of this equipment can reasonably be expected to
cause the failure of the life support equipment or to signicantly aect its safety or eectiveness is not recommended.
• The UPS is connected to a DC energy source (battery). The output terminals may still be live even when the UPS is not
connected to an AC supply.
When installing the unit, verify that any maintenance bypass panel used is congured correctly before applying
power to the unit.
• Be sure to place a warning label on all primary power isolators installed remotely from the UPS area and on any
external access points between such isolators and the UPS. The warning label shall carry the following wording or
equivalent:
Before working on this circuit
• Isolate Uninterruptible Power System (UPS)
• Then check for Hazardous Voltage between all terminals
including the protective earth.
Risk of Voltage Backfeed
• These UPS models include a backfeed dry contact connector. The backfeed connector for 25kVA to 60kVA models is
located in the rear of the unit. The backfeed connector for 80kVA to 100kVA models is in the front of the unit.
2.8 Operation
Do not disconnect the earth conductor cable on the UPS or the building wiring terminals at any time, as this will
cancel the protective earth of the UPS system.
In order to fully disconnect the UPS system, refer to section 4.2.2 UPS Shutdown, then disconnect the mains.
Ensure no liquid or other foreign objects can enter into the UPS system.
2.9 Standard Compliance
This product meets the following safety standards and electromagnetic compatibility (EMC) inspection standards:
• UL 1778
• CSA C22.2 No. 107.3
• FCC Part 15 Class A
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