Datasheet

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615PHOENIX CONTACT
SCCR – short-circuit current rating
SCCR – short-circuit current rating
As of April 2006, the NEC (National
Electrical Code) has required the short-
circuit current rating of industrial
controllers to be specified. This SCCR
(short-circuit current rating) can be
calculated with the help of UL 508A and
must be specified for all main circuits and
for the supply of the control voltage on the
rating plate of all industrial switchgear in the
USA. Standard values for non-specified
components are listed in UL 508A – Table
SB 4.1. A value of 10 kA is assumed for
terminal blocks. Phoenix Contact offers a
wide range of products with considerably
higher SCCR values than this. The terminal
blocks in the CLIPLINE complete system
are all documented as having SCCR values
of 100 kA.
The SCCR values for terminal blocks
from Phoenix Contact are listed in detail in
UL file number E60425. The UL file is stored
in and can be retrieved from the UL
database via the following link:
http://database.ul.com/cgi-
bin/XYV/template/LISEXT/1FRAME/index.
html
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