SIRIUS 3RU2/3RB3 overload relays
5.9 Accessories
SIRIUS Innovations
System Manual, 01/2011, A8E56203870002-03
523
5.9 Accessories
5.9.1 Accessories
For maximum flexibility, accessories can be added to the overload relays as required, easily,
and without the need for tools.
Accessories 3RU21 3RB30 3RB31
Terminal support for stand-alone assembly ✓ ✓ ✓
Release slide (mechanical remote RESET), compatible
for use with all sizes
✓ ✓ ✓
Release slide (mechanical remote RESET), compatible
for use with all sizes
✓ ✓ ✓
Electrical remote RESET module in three voltage
variants, compatible for use with all sizes
✓ -- ✓
integrated in
device
Terminal cover for ring cable lug connections,
compatible for use with all sizes
✓ -- --
Sealable cover ✓ ✓ ✓
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