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Signal Line Protectors | Gatekeeper GKSLP

Supplier: Lightning Down Under

The Gatekeeper GKSLP Signal Line Protector is designed to protect serial I/O interfaces and sensitive process control equipment against transients and induced surges.

Price Guide: POA

Gatekeeper GKSLP Signal/Data Line Protectors

The LDU GKSLP range is a high quality low cost DIN compliant signal line protector of a modular design. Therefore when the device expires, you simply replace the module to reinstate the protector to full capacity. The protector has been designed to protect sensitive electronic circuits and components from damaging over voltages and currents.


  • Available in voltages of 5, 12, 24, 48V. Rated at 2A.
  • Designed to operate directly with DC supply, RS-232, RS-422 and with 20mA and 50mA instrumentation loops and industrial circuits.
  • Ideal for high frequency video or telecommunication transmission.
  • Modular in design.
  • Signal transmission is not interrupted when changing the module.
  • Fast acting.
  • 5 year warranty

Learn more about Gatekeeper GKSLP Signal Line Protectors