Buck-Boost Selection Calculator - Rev 2.0 Revised April 20, 2011
1. Enter one voltage you have or need 208
2. Enter the current you need here 22
3. Choose the closest "Low to High" or "High to Low" voltage from columns below
4. See Unit and Wiring columns for catalog number and wiring diagram number
Single Phase Buck-Boost Selection Calculator
Low High High Low Unit Wiring
--- to --- Or --- to --- --- ---
--- to --- Or --- to --- --- ---
189 to 208 Or 229 to 208 416-1141-000 4
--- to --- Or 218 to 208 416-1131-000 3
--- to --- Or --- to --- --- ---
--- to --- Or --- to --- --- ---
183 to 208 Or 236 to 208 416-1241-000 4
195 to 208 Or 222 to 208 416-1231-000 3
173 to 208 Or 250 to 208 416-1461-000 2
189 to 208 Or 228 to 208 416-1461-000 4
--- to --- Or 218 to 208 416-1441-000 3
Three Phase Open Delta Buck-Boost Selection Calculator
Requires two identical Buck-Boost Transformers
Low High High Low Unit Wiring
198 to 208 Or 218 to 208 416-1131-000 11
188 to 208 Or 230 to 208 416-1141-000 12
195 to 208 Or 222 to 208 416-1231-000 11
183 to 208 Or 236 to 208 416-1241-000 12
189 to 208 Or 229 to 208 416-1441-000 9
173 to 208 Or 250 to 208 416-1461-000 10
198 to 208 Or 218 to 208 416-1441-000 11
189 to 208 Or 228 to 208 416-1461-000 12
Three Phase Wye Buck-Boost Selection Calculator
Requires three identical Buck-Boost Transformers
Low High High Low Unit Wiring
173 to 208 Or 250 to 208 416-1141-000 6
189 to 208 Or 229 to 208 416-1131-000 5
189 to 208 Or 229 to 208 416-1141-000 8
198 to 208 Or 219 to 208 416-1131-000 7
164 to 208 Or 264 to 208 416-1241-000 6
183 to 208 Or 236 to 208 416-1231-000 5
184 to 208 Or 236 to 208 416-1241-000 8
195 to 208 Or 222 to 208 416-1231-000 7
189 to 208 Or 229 to 208 416-1441-000 5
173 to 208 Or 250 to 208 416-1461-000 6
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Jefferson Electric Inc. Page 3 of 5
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