S-BT Threaded Fastener Specification

page 22 Specifications
2.8.3 Lightning protection
Forhightemporarycurrentduetolightning.
Singlepointconnection(classicationNacc.IEC62561-1):
Recommended electrical
connectors:
Maximumlightning
current
Connection
conguration:
TypeAconnection:
S-BT-ERM10/15SN6
S-BT-ERW10/15SN6
S-BT-EFM10/15AN6
S-BT-EFW10/15AN6
S-BT-ERM8/15SN6
S-BT-EFM8/15AN6
I
imp
=50kA
for≤5ms
(accordingto
IEC62561-1)
Singlepointconnection(classicationHacc.IEC62561-1):
Recommended electrical
connectors:
Maximumlightning
current
Connection
conguration:
TypeBconnection:
S-BT-ERM10HC120
S-BT-EFW10HCAWG4/0
S-BT-EFM10HC120
S-BT-EFW10HCAWG4/0
I
imp
=100kA
for≤5ms
(accordingto
IEC62561-1)
Note:
WhenS-BT-ER/-EFisusedinclassHapplicationsonlytypeBcableconnectionis
allowed.
Tighteningtorqueof8NmmustbeobservedaccuratelyfortypeBcableconnection.
Double point connection:
Recommended electrical
connectors:
Max.shortcircuitcur-
rent according to IEC
Connection
conguration:
TypeAconnection:
S-BT-ERM10/15SN6
S-BT-ERW10/15SN6
S-BT-EFM10/15AN6
S-BT-EFW10/15AN6
S-BT-ERM8/15SN6
S-BT-EFM8/15AN6
I
cw
=1.92kA(IEC)
Note:
•Recommendedmaximalcrosssectionofconnectedcableaccording
IEC60947-7-2andIEC60947-7-1:
16mm²(6AWG)copper(testedshortcircuitcurrentI
cw
=1.92kAfor1s)
•Fasteningofthickercableisacceptable,ifthemaximumshortcircuitcurrentI
cw
andtheexposuretimeisnotexceededandtheprovisionsoncable
lugthicknesst
cl
areobserved.