Control unit connection data (BCU)
See chapter
The control unit
Degrees of protection
Degrees of protection
(IEC/EN 60529)
Enclosure types (UL50)
Overvoltage category
(IEC 60664-1)
Protective class
(IEC/EN 61800-5-1)
on page 131.
IP22 (standard), IP42 (option +B054), IP54 (option +B055)
UL Type 1 (standard), UL Type 1 Filtered (option +B054), UL Type 12 (option
+B055). For indoor use only.
III
I
Technical data 127