IEC1MRK002801-AA11-UTAN-RAM V2 EN-US
Figure 405: Binary in/out module (IOM), input contacts named XA corresponds
to rear position X31, X41, and so on, and output contacts named
XB to rear position X32, X42, and so on
SEMOD175370-4 v1
The binary input/output module version with MOV protected contacts can for
example be used in applications where breaking high inductive load would cause
excessive wear of the contacts.
The test voltage across open contact is lower for this version of the
binary input/output module.
1MRK 506 382-UEN A Section 20
IED hardware
Line distance protection REL650 2.2 IEC 855
Technical manual
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