1 General
BU 0200 GB Subject to technical alterations 17
1.9 Type code / Optional NET modules
NET = Mains unit or analog modules
SK TU4-24V-123-B (-C-WMK-TU)
Wall mounting kit for external Technology Unit, TU4
IP protection class: Standard = IP55, C = “coated” IP66
Radio interference filter: B = Class B1
Mains connection: 123 = 1~ 230V*, 140 = 1~ 400V*
Op tion type: 24V = 24V mains unit, PO T = potentiometer /switch module
Option series: TU4 = external Technology Unit,
CU4 = internal Customer Unit
*) The voltage depends on the frequency inverter used;
please also refer to the technical data.
(...)Options, only implemented if required.
Optional internal
Customer Unit, SK CU4-….
Optional external
Technology Unit, SK TU4-…
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