Control And Machine Cabinet - Graf oneAdvanced Operation Manual

3. General

3.3 Control and machine cabinet

All the plant's mechanical and electrical components are installed in a switch cabinet. The cabi-
net for internal installation is made of expanded polypropylene (PP; used for wastewater treat-
ment plants for 3–28 PE) or powder-coated metal (used for wastewater treatment plants for 28
PE or more).
The internal PP switch cabinet can be fitted in a GRAF external switch cabinet M, and in this
manner used out of doors as well.
Internal PP switch cabinet Steel cabinet for indoor in- External switch cabinet M for
(no more than 28 PE) stallation internal PP switch cabinet
(no more than 28 PE)
External switch cabinet L XL metal external cabinet XXL metal external cabinet
(50–160 PE) (from 165 PE)
(32–44 PE)
Figure 5: Available switch cabinets
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