Zone Barrier ZBS 4-Wire Dial Up 2 lines, TS


  • Solid state sidactors combined with PTCs
  • Three stage series hybrid
  • Mounting on standard 35mm DIN rail or to any flat surface for standalone applications
  • UL 497A Listed, Tested to IEC 801-5, CCITT K17
  • 10 year product warranty

Zone Barrier surge protectors protect dial-up communication links from transients caused by direct or indirect lightning strikes. ZB24589 is a 4-wire protector with a 4 position cage clamp terminal strip connector.

Spec Sheet


Additional information

Weight 0.625 lbs
Dimensions 6 × 3 × 3 in