Joslyn AC surge protection devices from Thomas & Betts Corp. are available in more than 1,300 standard configurations as well as with the option of stainless steel enclosures for corrosive applications. They are suitable for protecting single-, split- and three-phase applications ranging from 120 V to 600 V Delta, and are capable of handling high-surge energy from 20 kA to 400 kA per phase.
