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Furse ESP E Series

Combined Category D, C, B tested protector (to BS EN 61643-21) suitable for twisted pair signalling applications which require either a lower in-line resistance, an increased current or a higher bandwidth than the D Series. Also suitable for DC power applications less than 1.25 amps. Available for working voltages of up to 6, 15, 30, 50 and 110 volts. For use at boundaries up to LPZ 0A to protect against flashover (typically the service entrance location) through to LPZ 3 to protect sensitive electronic equipment.

Features and Benefits

  Very low let-through voltage (enhanced protection to BS EN 62305) between all lines - Full Mode protection
  Full mode design capable of handling partial lightning currents as well as allowing continual operation of protected equipment
  Repeated protection in lightning intense environments
  Very low (1�) in-line resistance allows resistance critical applications (e.g alarm loops) to be protected
  High (1.25A) maximum running current
  High bandwidth enables higher frequency (high traffic or bit rate) data communications
  Screen terminal enables easy connection of cable screen to earth
  Strong, flame retardant, ABS housing
  Built-in DIN rail foot for simple clip-on mounting to top hat DIN rails
  Colour coded terminals give a quick and easy installation check - grey for the dirty (line) end and green for clean
  Substantial earth stud to enable effective earthing
  Supplied ready for flat mounting on base or side
  Integral earthing plate for enhanced connection to earth via CME kit
  ESP 06E and ESP I5E have Network Rail Approval PA05/02047. NRS PADS reference 086/000201 (ESP 06E) and 086/000200 (ESP 15E)

Data Sheet


Use these units to protect resistance sensitive, higher frequency or running current systems, e.g. high speed digital communications equipment or systems with long signal lines.


Connect in series with the data communication or signal line either near where it enters or leaves the building or close to the equipment being protected (e.g. within its control panel). Either way, it must be very close to the systems earth star point. Install protectors either within an existing cabinet/cubicle or in a separate enclosure.


  ESP 06E
  ESP 15E
  ESP 30E
  ESP 50E
  ESP 110E

Please note - Product designs and specifications are subject to change without notice. The user is responsible for determining the suitability of this product.

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