Siemens SIRIUS 3RH Series, System Manual

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SIRIUS 3RR2 current monitoring relays
8.9 Accessories
SIRIUS Innovations
System Manual, 01/2011, A8E56203870002-03
729
8.9 Accessories
8.9.1 Accessories
For maximum flexibility, accessories can be added to the current monitoring relays as
required, easily, and without the need for tools.
Mountable accessories
The following accessories are available for the current monitoring relays:
●
Terminal support for stand-alone assembly
For stand-alone assembly or if an overload relay is being used at the same time
● Sealable cover
To protect the parameter settings against unauthorized or unintentional manipulation
8.9.2 Terminal support for stand-alone assembly
8.9.2.1 Description
For a stand-alone assembly or if an overload relay is being used at the same time, adapters
for stand-alone assembly are available for separate DIN rail mounting or screw mounting.
The current monitoring relays can also be assembled as stand-alone devices with
corresponding terminal supports for stand-alone assembly.
The accessories are exactly the same as the accessories for the 3RU21 thermal overload
relay and the 3RB3 solid-state overload relay.
Table 8- 7 Stand-alone assembly, current monitoring relays
Size Connection system Terminal support for stand-
alone assembly
Screw-type 3RU2916-3AA01 S00
Spring-loaded 3RU2916-3AC01
Screw-type 3RU2926-3AA01 S0
Spring-loaded 3RU2926-3AC01