Transformer Selection Assistance

EZ Selector for Low Voltage Transformers

The online product selectors “EZ Selectors” provide simple “click-to-answer” questions to quickly guide you to the right products for you application. Click the following link for assistance with low voltage transformers: LV Transformers EZ Selector

Overview of 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 for Square D Transformers:

• Quick access to Schneider Electric product selectors, cross-reference tools and calculators: Calculators and Tools

• View all Square D transformer product ranges and documentation online: se.com/us/en/product-subcategory/80394.

• Search our technical FAQs from the Frequently Asked Questions page: www.se.com/us/en/faqs