Ronk’s SERIES 4+ switches meet UL 1008 standard and provide economical, reliable, and safe transfer of loads between main power and an auxiliary source.
We design and build electrical products so you can have safer, efficient and controlled use of power. We specialize in manufacturing phase converters, double-throw switches, power factor correction, and stray voltage isolators. American Built. Ronk Solid.
Learn More About UsEffective Monday, March 15, 2021 Ronk Electrical Industries will be implementing on average a 6% price increase.
Read More...ROTO-CON® rotary converter provides smooth, reliable 3-phase power from single-phase lines. Best suited for operating motors that do not operate continuously at high load levels and for non-motor loads.
Learn MoreType SUB ADD-A-PHASE® static three-phase converter is designed for deep well submersible pump motors and submersible wastewater pump motors.
Learn MorePower Factor Correction Capacitors – 11 KVAR, 240 V, No Fuse Block, UL Listed
Learn MoreReliability and safety of electrical systems have never been more important. Ronk's American designed and assembled products are durable, efficient and last for decades.