Motor Starter Protectors - Siemens SIRIUS 3RT Series System Manual

4.2.4

Motor starter protectors

1
2
3
4
5
6
Figure 4-1
A sealable transparent cover can be optionally mounted (accessory). The cover prevents the
motor setting being adjusted (this option is not available for 3RV23/3RV27/3RV28).
SIRIUS Innovations
System Manual, 01/2011, A8E56203870002-03
Terminals:
Up to two conductors with different cross-sections can be connected for the main and auxiliary
circuits. The auxiliary circuit can be connected using either screw terminals or spring-loaded
terminals. Some device versions are also available with ring cable lug connection.
Rotary operating mechanism:
For switching on and off, displaying a possible tripping operation, integrated locking device
Label
Connection for mounting contactors, solid-state contactors, and soft starters in various
connection systems:
Direct mounting using link modules

Separately using connecting cables

TEST function:
Facilitates the testing of the release mechanism.
Motor current setting:
The large rotary button provides an easy means of setting the device to the rated motor current.
Equipment, 3RV20 motor starter protectors
SIRIUS 3RV2 motor starter protectors
4.2 Product description
383