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15
5. Specifications
Models S3MT-20K480V S3MT-30K480V
Floor Loading 519 (kg/m²) 745 (kg/m²)
Unit Carton Height 55.6 in. (1411 mm) 55.6 in. (1411 mm)
Unit Carton Width 22.2 in. (563 mm) 22.2 in. (563 mm)
Unit Carton Depth 38.2 in. (970 mm) 38.2 in. (970 mm)
Unit Carton Weight 485 lb. (220 kg) 712 lb. (323 kg)
Tip-n-Tell Label Included on Overpack Box Yes
Environment
Audible Noise at 1 m 65 dB max.
RH Humidity, Non-Condensing 95%
Online Thermal Dissipation, Full Load ( BTU/hr) 3413 4915
Storage Temperature 5°F to 140°F (-15°C to 60°C)
Operating Temperature 32°F to 104°F (0°C to 40°C)
Operating Elevation
<1000 m for nominal power
(over 1000 m, the power de-rating is 1% per 100 m)
Mechanical
Transformer Windings Aluminum
Cabinet Material Cold Rolled Galvanized Steel (SGCC)
Cabinet Color RAL 9011
Fan (Type/Quantity) 2x Ball Bearing, 120 mm (288 total CFM)
Reliability
Vibration ISTA - 3B
Shock ISTA - 3B
Drop ISTA - 3B (Tip Test)
Agency Approvals
Approving Agency cTUVs
Agency Standard Tested UL 1778 5th Edition
Canadian Approvals CSA 22.2-107.3-14
CE Approvals N/A
EMI Approvals N/A
RoHS/REACH Yes Yes
6. Storage
Before storing the isolation transformer, ensure all connections have been disconnected and all breakers are turned OFF.
Replace all input or output access covers to avoid damaging any contacts.
The transformer must be stored in a clean, secure environment with temperatures between 5°F to 140°F (-15°C to 60°C)
and relative humidity less than 90% (non-condensing).
Store the transformer in its original shipping container, if possible.
WARNING: The transformer(s) is/are very heavy. Before storing the transformer, make sure to take
into account the floor loading (kg/m²) requirements listed in section 5. Specifications under “Physical
Info” to store safely.
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