Our new UL 1008 standard switches will withstand the test of time.
Ronk’s Series 4+ switches provide economical, reliable, and safe transfer of loads between main power and auxiliary source. For commercial and industrial applications, especially when power continuity is critical. This switch can be used when backup power is needed. Our UL 1008 transfer switch has undergone rigorous testing to ensure reliability and durability. With growing needs for emergency and standby power, facilities need a transfer switch that can withstand the test of time and heavy use.Or, View All Ronk Switches