Brochure/Catalogue

Terms
SPD = Surge Protection Device
Classication of surge arresters
1. Power lines
Class I, Type 1, Type 1
(lightning arrester)
Class II, Type 2, Type 2
(surge protection)
Class III, Type 3, Type 3
(surge protection for end devices)
2. Measurement/control cables
and data cables
Class D1 (lightning arrester)
Class C2 (surge protection)
Class C1 (surge protection for end
devices)
Surge voltage category (EN 60664-1)
Rated impulse voltage
IV = 6 kV (before the meter)
III = 4 kV (after the meter, HV + UV,
  xedinstallation)
II = 2.5 kV (outlet/end device)
I = 1.5 kV (in end device)
LPZ = Lightning Protection Zone
External lightning protection
LPZ 0 / 0A / 0B
Internal lightning protection LPZ 1, 2, 3
LPL = Lightning Protection Level
I = 200 kA
II = 150 kA
III + IV = 100 kA
LPS = Lightning Protection System
Lightning protection system
SPM = Surge Protection Measures
International standards
Application standard:
IEC 62305 – Application of lightning
and surge protection with 4 chapters:
General overview, Risk analysis,
Internal and external lightning
protection
IEC 61643-12 – Usage for energy
protection
IEC 61643-22 – Usage for
measurement and control signals
kWh
LPZ 1
LPZ 1
LPZ 3
LPZ 2
LPZ 0
B
LPZ = Lightning Protection Zone
Room shielding
SPD Class 3
SPD Class 2
SPD Class 1
SPD category D 1
LPZ 0
A
Air-termination system
for roof-top constructions
Building shield
SPD category C1
SPD category C2
SPD Class 1
SPD Class 2
SPD category D1
SPD category D1
Energy technology system
IT system
SPD category C2/
Class 2
LPZ 0
A
LPZ 0
B
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LPZ 0
A
 Directimpactispossibleandfullelectromagneticeld
LPZ 0
B
 Nodirectimpactispossiblebutfullelectromagneticeld
LPZ 1 Pulse currents are further limited by current distribution; the lightning
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LPZ 2…n Pulsecurrentsfurtherlimited;reductionoftheeldbyroomshielding
Testing pulse for surge arrester
EMC lightning protection - zone concept in accordance with IEC 62305-4
2028840000