Page 291 - Wieland - revos Industrial multipole connectors
P. 291
facts&DATA
Derating behavior of revos industrial
multipole connectors
Like any other connector, the revos industrial multipole Each contact insert is characterized by its rated current,
connector also faces a reduction in the values for the among other things. The rated current is the current
current carrying capability when the ambient tempera- that a connector can carry in an ambient temperature of
ture rises. 40°C, simultaneously continued (not intermittent) over
This behavior is called derating behavior. Basic informa- all contacts without exceeding the permissible upper
tion on the derating behavior of connectors is provided temperature limit.
in standard DIN EN 60 512 sec. 3. The derating curve shows the maximum current I at the
given ambient temperature without the connector ex-
ceeding the upper temperature limit.
Current
I
Basic curve
Corrected curve
In
Upper
current limit 0.8 In
Upper
temperature limit
Operating range
Ambient temperature t
u
Curve of current carrying capability derived from the basic
curve Source DIN EN 60 512-5-2-2003
Information on how to change over
from PG to metric threads
Basic legal conditions Basic legal conditions
The European standard EN 50 262 “Metric Cable Glands The big difference in the new EN standard is it has the
for Electrical Installation” was ratified on April 01, 1989 character of a safety standard.
by CENELEC (European Committee for Electrotechnical As a building standard it only defines the metric thread
Standardization) and put into force. and its lead.
PG threads
are available on
request!
Subject to change without further notice 291