1. General Remarks
The connectors of the C 148 U series are designed to meet the
high demands of industrial applications under harsh environmental
conditions. The connectors are designed and built in accordance with
DIN VDE 0627. We reserve the right to change the design due to
improvements in quality, product developments, or production
requirements.
All technical details refer to connectors, which according to the
regulated uses should not be mated or seperated when electrical
voltage is applied. The data and instructions as listed are to help the
user select the correct product and to ascertain correct and matched
applications.
2. Application
Connectors must only be used according to the specified calculated
dimensions. Please note that calculated quantities are frequently only
shown as initial values which have been determined under special
test conditions and are subject to change especially under longer
terms or different forces. The connectors of the C 148 U series are
designed for applications in the equipment and machine tool industry
as well as for instrumentation. Selection and testing of connectors
and/or plug and panel devices are designed to meet specific product
or industrial requirements, such as calculated voltage and the related
clearances and creepage distances.
It is the responsibility of the user to check whether the connection
differs to the specified requirements and therefore to judge whether
the application is suitable.
All calculated data for the connnectors listed in this catalog are based
on overload category III and contamination level 3 (for machine tool
applications). In the applications be sure the connectors are com-
pletely mated according to their respective safety locking
mechanism. All technical data refer to mated connectors under
locked conditions.
4. Termination
Cable connectors are effectively secured when using the internal
cable clamp. When the connector contains a simple gland bushing
for retention, the cable should have a strain relief close behind the
connector. All cable properties or specifications must be compatible
with the connector design and materials. Designated wire conductors
must be soldered to the correct positions. Crimped contacts must be
terminated with the specified tools of the manufacturer.
Contacts must be fully inserted into the plastic housing and retention
assured with a slight tug on the wire. Wire should be stripped
correctly according to printed specifications to insure no electrical
contact can be made between the conductors. There should be no
cut strands during the stripping action.
7. EMI
The specified requirements according to the EMI-Law (EMI-Directive
89/336EWG) must be ensured by corresponding installation in the
equipment.
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3. Assembly
Certain appliances and equipment include protective measures that
relate to the coupling devices of the male and female receptacle
housings.
Care must be taken to ensure the parts are correctly mated and
screws are tightened with the proper torque.
In order to stop the loosening of the screw, we recommend the use
of washers or screws which are supplied with a suitable secure glue.
In regards to the screwing together of angled housings and straight
housings, we recommend our screws N 03 040 0022 (1), and to
the screwing on of the angled housings screws with a suitable
surface coating can be used, e.g. see DIN 912 or DIN 7985 (strength
level 8.8).