Cat Breuer Motoren 3-phase motor dRksU35LC3-4 Operating Manual – PDF DOWNLOAD

A. General
A.1 General information on these operating instructions
These operating instructions and the relevant data sheet are intended to assist you in using the 3-phase
motor safely, properly and economically.

By following the information in these instructions, you will:
♦ increase the reliability and extend the working life of the 3-phase motor
♦ avoid dangers
♦ avoid repairs and breakdown times

A.2 General safety information
The “U” symbol following the certification number specifies that this certificate may not be confused with a
certificate issued for a device or protection system. This partial certification may only be used as the basis
for the certification of a device or protection system.
If there is an “X” following the certification number, attention is drawn to special requirements for the safe
use of the device or protection system in the appendix to this certification.
The symbols “U” and “X” are not used simultaneously.
Inset threads, into which cable bushes or guides are screwed by means of a screw-in thread must conform
to the minimum requirements of EN 60079-1:2004, Section 5.3 (Table 3) in conjunction with Appendix
C.2.2..
The bores underneath the bolt heads are realised as “mid-machined” through-holes with the fit tolerance
H13 according to ISO 486-2.
Gap surfaces forming a pressure-tight seal must be so designed that their average peak-to-valley value does
not exceed Ra6,3 μm. The surfaces must be of bright metal and level.
The permanent usage temperature of adhesives, e.g. Loctite … used for the possible gluing of threads as
anti-loosening protection must be at least 100 °C.
The prohibition relating to the working of unqualified persons on high-voltage electrical equipment is published
for example in DIN VDE 0105 or IEC 364 (German IEE Regulations).