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SmartOnline S3MT-Series 3-Phase 30kVA Input (480V to 208V)/Output (208V to 480V) Isolation Transformers

Part Number:  S3MT-30KWR480V

Enclosure with step-down and step-up transformers offers line isolation and protection to the connected 3-phase UPS and its load.

  • Dual 30kVA/kW 480V transformers for government, healthcare and corporate settings
  • Up to 97.5% efficiency with a quiet acoustic profile less than 65 dBA
  • Resettable protection relay/switch and red alarm indicators warn against overheating
  • Rugged stainless steel housing with compact footprint comes ready for installation
  • Compatible with select 20–30kVA/kW Tripp Lite S3M-Series 208V 3-phase UPS systems
  • 2-year limited warranty
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Features

Get Complete Step-Down/Step-Up and Isolation Protection
Tripp Lite’s S3MT-30KWR480V includes two transformers in a single cabinet: a 480V (Delta) to 208V (Wye) input isolation step-down transformer and a 208V (Wye) to 480V (Wye) output auto step-up transformer. It isolates the UPS and connected components from line surges and spikes caused by utility power disruptions that can damage equipment or corrupt data. The dual transformers are ideal for 4-wire (3Ph+N+PE) loads in government, manufacturing, healthcare and corporate settings with 480V electrical mains and 480V IT loads.

Performs with High Efficiency up to 97.5%
Not only is the S3MT-30KWR480V wrap-around transformer very efficient, with up to 97.5 percent efficiency, but it is also very quiet with a noise profile less than 65 dBA. Built-in circuit breakers on both transformers help prevent dangerous power overloads. Four ball-bearing cooling fans help prevent overheating. An overheat-sensing relay and switch combine with red alarm indicators to provide over-temperature warning and overheating protection.

Small Footprint for Quick Installation in a Compact Space
The compact footprint enables installation of the S3MT-30KWR480V with minimal space. The rugged stainless steel housing ships ready for immediate tower installation with a compatible 20–30kVA/kW Tripp Lite S3M-Series 3-phase UPS system.

System Requirements

  • 20–30kVA/kW Tripp Lite S3M-Series 208V 3-phase UPS system
  • Not compatible with SUT20K or SUT30K

Package Includes

  • S3MT-30KWR480V 3-Phase 30kVA Input/Output Isolation Transformers
  • (4) Bottom skirts
  • (24) Screws
  • Owner’s manual
RoHS compliant

Specifications

OVERVIEW
UPC Code037332253194
Efficiency96.5% @ 100% load
Nominal Voltage / FrequencyInput transfomers (T-in) 480V / Output transformer (T-out) 208V, 3-PH / 60Hz
VA / Watt Capacity30000
Transformer TypeDry type, Input step-down isolation transformer and Output step-up Auto Transformer
INPUT
Nominal Input Voltage(s) Supported480V 3-PH Delta
UPS Input Connection TypeHardwire
Input Phase3-Phase
OUTPUT
Output Capacity (VA)30000
Output Capacity (kVA)30
Nominal Output Voltage(s) Supported480V 3-PH Wye
Output ReceptaclesHardwire
PHYSICAL
Primary Form FactorTower
Cooling Method4 x BALL BEARING, 120MM (576 TOTAL CFM)
Form Factors SupportedTower
Shipping Dimensions (hwd / in.)70.90 x 27.60 x 37.80
Unit Dimensions (hwd / in.)63.000 x 23.600 x 33.500
Unit Weight (lbs.)961
ENVIRONMENTAL
Heat Dissipation (BTU/Hr) @ Full Load  9829
INPUT TRANSFORMER
Input Voltage480V 3-PH Delta
Input Voltage Range(-45%, +25%) for 40% load (-20%, +25%) for 100% load
Input Amp(s)51 A
AC Input ConfigurationDelta
AC Input Frequency50/60
Frequency Range40/70Hz
Voltage SelectionNONE
Input Inrush Current450 A
VA Rating30K
Input Number of Phases3PH
AC Output Voltage (V)120/208V 3-PH Wye
AC Output Amps113 A
Output Number of Phases3PH + N
AC Output ConfigurationWYE
Output IsolationYes
Output Breaker Rating125 A
Connection TypeCOPPER BAR
LED Warning Light FunctionsThe over-temperature warning LED light will turn ON when the output/secondary of the Input transformer reaches 160°C ±5°C and will turn OFF wthen the corresponding transfomer cools down to 125°C ±5°C
Over Temperature Reset

The transformers include an over-temperature protection relay and thermal switch on the secondary sides of the input (T-in) transformer and on the primary side of the output (T-out) transformer to protect the transformer from overheating. Thermal switches on input and output transformers will open the corresponding transformer breaker if either of the transformer reaches 155°C/311°F to 165°C/329°F. Once the transformer cools down to 120°C/248°F to 130°C/266°F, the corresponding warning LED light will turn OFF, and the corresponding transformer breaker maybe closed to restart operation.

Efficiency @ Half Load97.50%
Efficiency @ Full Load0.952
Heat Dissipation (BTU/Hr) @ Full Load9829
Audible Noise (dBA @ 1m)65dB max
OUTPUT TRANSFORMER
Input Voltage120/208V 3-PH Wye
Input Voltage Range(-45%,+25%)for 40 % load (-20%,+25%)for 100 % load
Input Amp(s)87 A
AC Input ConfigurationWYE
AC Input Frequency50/60 HZ
Frequency Range40-70HZ
Input Inrush Current1010 A
Input Number of Phases3PH+N
VA Rating30K
AC Output Voltage (V)480V 3-PH Wye
AC Output Amps36 A
Output Number of Phases3PH+N
AC Output ConfigurationWYE
Output IsolationNo
Output Breaker Rating125 A
Connection TypeCOPPER BAR
LED Warning Light Functions

The over-temperature warning LED light will turn ON when the input/primary of the Output transformer reaches 160°C ±5°C and will turn OFF wthen the corresponding transfomer cools down to 125°C ±5°C

Over Temperature Reset

The transformers include an over-temperature protection relay and thermal switch on the secondary sides of the input (T-in) transformer and on the primary side of the output (T-out) transformer to protect the transformer from overheating. Thermal switches on input and output transformers will open the corresponding transformer breaker if either of the transformer reaches 155°C/311°F to 165°C/329°F. Once the transformer cools down to 120°C/248°F to 130°C/266°F, the corresponding warning LED light will turn OFF, and the corresponding transformer breaker maybe closed to restart operation.

Efficiency @ Half Load97.50%
Efficiency @ Full Load

95.2%

Heat Dissipation (BTU/Hr) @ Full Load9829
Audible Noise (dBA @ 1m)65dB max
WARRANTY & SUPPORT
Product Warranty Period (U.S. & Canada)2-year limited warranty

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