Isolating spark gap (ISG)

BF P100 800/20
Part Number: 90231395
BF P100 800/20
  • Isolating spark gap
  • Outdoor application
  • Max. discharge current: 100 kA
  • EN 62561-3 compliance

These spark gap are designed to protect metallic elements, like antennas, poles, pipes, roofing equipment…which are not connected to earth for operating reason, against the risk of flashover during strike on the installation. BFP100 is a specific version of the high energy gas tube P100, featured with isolated sleeve for outdoor application.


Rated DC withstand voltage Uw DC 640 V
Rated AC withstand voltage Uw AC 450 V
Max. discharge current Imax 100 kA
Impulse current by pole Iimp 50 kA
Classification following IEC 62561-3 N
Rated impulse sparkover voltage Ur Iimp 1600 V
Technology Gas discharge tube
Operating temperature Tu -40/+85°C
Protection rating IP67
Outdoor application Yes
Number of units per package 20 units per cardboard
Dimensions See diagram
Standards compliance EN 62561-3
RohS compliance Yes