Note
2000 + corrigendum 2001 + A1:2008, modified + A2:2012
2001 + A1:2009 + A2:2013
If the maximum permissible short-circuit current at the installation location exceeds the specified values, a fuse should be selected which ensures a shutdown time of < 5 s.
Technical data is valid in association with the following specified base elements:
with PT 4-BE
with PT 4+F-BE
Maximum continuous operating voltage UC
Product type
Surge protection for MCR technology
Operating effective current IC at UC
Protective conductor current IPE
≤ 1 µA (with PT 4+F-BE)
≤ 4 µA (with PT 4-BE)
Nominal discharge current In (8/20) µs (line-line)
Nominal discharge current In (8/20) µs (line-ground)
Pulse discharge current Iimp (10/350) µs
Nominal voltage U<sub>N</sub>
Total discharge current ITotal (8/20) µs
Connection method
Screw connection (in connection with the base element)
Max. discharge current Imax (8/20) µs maximum (line-line)
Max. discharge current Imax (8/20) µs maximum (line-earth)
Residual voltage at In (conductor-conductor)
Conductor cross-section flexible
Voltage protection level Up (line-line)
≤ 70 V (C3 - 10 A)
≤ 75 V (C3 - 25 A)
≤ 85 V (C1 - 500 V / 250 A)
Conductor cross-section rigid
Voltage protection level Up (line-earth)
≤ 1 kV (C2 - 10 kV / 5 kA with PT 4+F-BE)
≤ 450 V (C2 - 10 kV / 5 kA with PT 4-BE)
Conductor cross-section AWG
Voltage protection level Up static (line-earth)
≤ 100 V (C2 - 10 kV / 5 kA with PT 4+F-BE)
≤ 50 V (C2 - 10 kV / 5 kA with PT 4-BE)
Response time tA (line-line)
Response time tA (line-earth)
Flammability rating according to UL 94
Direction of action
Line-Line & Line-Signal Ground/Shield & optional Signal Ground/Shield-Earth Ground
Maximum continuous operating voltage U<sub>C</sub>
Rated current
2 A AC (80 °C)
500 mA DC (80 °C)
Operating effective current I<sub>C</sub> at U<sub>C</sub>
Protective conductor current I<sub>PE</sub>
≤ 1 µA (with PT 4+F-BE)
≤ 4 µA (with PT 4-BE)
Nominal discharge current I<sub>n</sub> (8/20) µs (line-line)
Nominal discharge current I<sub>n</sub> (8/20) µs (line-ground)
Pulse discharge current I<sub>imp</sub> (10/350) µs
Total discharge current I<sub>Total</sub> (8/20) µs