Josyln Ac Surge Protector Specification

• Installation And Maintenance Manual Joslyn 1456-85 Ac Surge ... Download
  the joslyn ac surge protector, p/n 1456-85, is intended for installation on power systems of 480/277 factory specification for new protector 420 to 520 vdc
  http://stuffspec.com/Read/izlMk6YHrDZDZKFMjW1IjDZVkXtHjzpMiq+SkKFTjCMHZCpehWBbkCpSh59JsL0L.pdf
• Installation And Maintenance Manual Ac Power Arresters , 4-wire ... Download
  ac surge protector application: 480/277 vac, 3φ, 4-wire plus ground, grounded wye 1. factory specification for new protector 420 to 520 vdc 2.
  http://stuffspec.com/Read/izlMk6YHrDZDZKFMjW1IjDZVkXtHjzpMiq+SkKFTjCMHZCpehWBbkCpSh59Jt6oD.pdf