LV Transformers EZ Selector–Selection Assistance

LV Transformers EZ Selector

Steps to select an LV transformer.


  1. Select product type:

    • Three Phase – Energy Efficient – EX (DOE 2016)

    • Three Phase – Energy Efficient – EX, K-13 Rated (DOE 2016)

    • Three Phase – Energy Efficient – EX, Watchdog Low Temperature Rise (DOE 2016)

    • Single Phase – Energy Efficient – EE (DOE 2016)

    • Three Phase – Resin Encapsulated

    • Single Phase – Resin Encapsulated

  2. Select kVA Rating – 15, 30, 45, 75, 112.5, 150, 225, 300, 500, or 750 kVA

  3. Select Primary Voltage – 208, 240, 480, or 600 Vac Delta

  4. Select Secondary Voltage – 208Y/120, 240 Vac Delta 120 V CT, 480Y/277

  5. Select Mounting – Floor, Wall

  6. Select Enclosure – Indoor (Type 1), Indoor (Type 2), Indoor/Outdoor (Type 3R), Indoor/Outdoor (Type 4X)

  7. Select Temperature Rise – 55°C, 80°C, 115°C, 150°C

  8. Select Material – Aluminum, Copper

  9. Select Sound Level – 39 dB (6 dB below), 44 dB (6 dB below), 47 dB (3 dB below), 49 dB (6 dB below), 54 dB (6 dB below), 58 dB (6 dB below)

Additional Information

Search for “LV Transformers” from our technical FAQs page: www.se.com/us/en/faqs

View all Low Voltage Transformer Ranges and Documentation online: se.com/us/en/product-subcategory/80396.

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