Voltage Regulators

Do you need to add some regulators to your system or looking to replace a couple?   You are looking in the right place.  B&B sells and services all brands of voltage regulators.  Did you know that the internal components of a voltage regulator haven't changed in over 30 years?  B&B has many ways to help get you a better product at a better price.  B & B Transformer is one of the leading regulator maintenance facilities for cooperatives in Minnesota and Wisconsin. Probably because we offer the best warranty in the business.  We also buy used and junk regulators. 


     We sell many brands and sizes of voltage regulators

      Update or retro fit new control panels to any regulator

      We sell many brands and models of regulator control panels

      Fix any regulator control panel

      Make longer control cables

      Add neutral light indicator





                                                   Complete testing and evaluation of all windings and motors

                                                   Regulator run through all of its steps


                                                   Visual and physical check of all contacts and components

                                                   Complete wash down of coils and tank

                                                   Polish all contacts

                                                   Change gaskets

                                                   All internal connections and components get torque tested


                                                   40 gallons of new oil (Some units require more oil)


                                                   Cleaning of position indicator and related components


                                                   Replacement of capacitors and mount externally


                                                   Sand and paint exterior of the regulator

                                                   Stencil voltage and amps on exterior (we can add any information you like)


                                                   Sand and paint inside and outside of Terminal Box cover

                                                   Pick up and delivery - B&B Transformer has a very short turn around time

                                                                                       on our maintenance program. 




B & B Transformer also buys used and junk regulators. 

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B&B Transformer

2850 220th Street West

Farmington, MN 55024