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Furse ESP LA and LB Series

Combined Category C, B tested protector (to BS EN 61643-21) suitable to protect PCs and other computer equipment on systems using 9, 15 or 25 pins. For use on lines running within buildings at boundaries up to LPZ 2 through to LPZ 3 to protect sensitive electronic equipment.

Features and Benefits

  Let-through voltage below equipment susceptibility levels
  Negligible in-line resistance
  Suitable for equipment using "D" connectors - DB-9, DB-15 and DB-25
  ESP LA-5/25 protects pins 1, 2, 3, 7 & 20 to earth/shell. Note pin 1 is connected to earth
  ESP LA-25/25 and ESP LB-25/25 protects all pins. Note pin 1 is connected to earth/shell
  ESP LA-9/9, ESP LB-9/9, ESP LA-15/15 and ESP LB-15/15 protect all pins
  Sturdy plastic housing
  Male/female connectors allow easy plug-in installation without rewiring
  Earthed via shell and supplementary earth strap

Data Sheet


Use on cables running within a building to protect equipment locally from transients induced onto data cables from the magnetic field caused by a lightning strike.


Simple plug-in connection to the communication port, between the equipment to be protected and its incoming data cable. Make suitable attachment to earth.


  ESP LA-5/25
  ESP LA-25/25
  ESP LA-9/9
  ESP LB-9/9
  ESP LA-15/15
  ESP LB-15/15
  ESP LB-25/25

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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