About the manual
26
Categorization according to the frame size
The ACS355 with IP66/67 / UL Type 4X enclosure is manufactured in frame sizes 
R1 and R3. Some instructions, technical data and dimensional drawings which only 
concern certain frame sizes are marked with the symbol of the frame size (R1 or 
R3). To identify the frame size of your drive, see the rating table on page 50 in 
chapter Technical data.
Product and service inquiries
Address any inquiries about the product to your local ABB representative, quoting 
the type code and serial number of the unit in question. A listing of ABB sales, 
support and service contacts can be found by navigating to ABB website and 
selecting Sales, Support and Service network.
Product training
For information on ABB product training, navigate to ABB website and select 
Training courses.
Providing feedback on ABB Drives manuals
Your comments on our manuals are welcome. Go to ABB website, then 
select successively Document Library – Manuals feedback form.
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