Indoor Hi-Pwr 1-Line Phone/DSL/T1 Lightning Surge Protector - Screw TerminalsIndoor Hi-Pwr 1-Line Phone/DSL/T1 Lightning Surge Protector - Screw TerminalsIndoor Hi-Pwr 1-Line Phone/DSL/T1 Lightning Surge Protector - Screw Terminals
Indoor Hi-Pwr 1-Line Phone/DSL/T1 Lightning Surge Protector - Screw Terminals

Lightning Protection System

Lightning Arrestors and Surge Protection (L–com)

Indoor Hi Pwr 1 Line Phone/DSL/T1 Lightning Surge Protector Screw Terminals

HGLN-D1-DT

Brand:L–com

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Description

The HGLN-D1-DT is a high performance indoor 3-stage lightning protector that provides superior protection for DSL, Telephone and T1 lines from transients and surges. The first stage is comprised of a differential gas discharge tube. Stage two is a pair of current limiting series resistors and the final stage is a low capacitance diode array. The use of three terminal differential gas discharge tubes provides superior common and differential mode protection against conducted transients versus the use of lower cost two terminal tubes. The second stage series resistance limits the power dissipation of the fast diode clamp array in the third stage. This allows time for the slower but higher power gas tubes to flash over. The diode array clamps the leading edge of fast transients to safe levels until the high power gas tubes turn on. This eliminates the damaging leading edge spike that single stage gas tube protectors let leak through. The diode array's low capacitance assures that the suppressor will not degrade the high-speed signals. The 3-stage design can handle higher-level transients than a protector that uses only diodes. Failsafe Feature The HGLN-D1-DT is designed to convert into a failsafe mode in the rare case of a catastrophic surge or lightning event. For this mode, the resistors in the second stage will fuse and portions of the diode array will short. This effectively disconnects the line from sensitive equipment thus limiting damage. The units are factory repairable For more complete surge protection of data lines, the use of two units is recommended, one at each end of the line.

Features

  • Screw Terminals
  • 3-Stage surge protection
  • Industrial grade cast aluminum construction
  • Integral mounting feet
  • Provision for shielded cables

Application

  • T1/E1/J1 Telco lines
  • DSL/Telephone lines