Connecting The 3Rw50 Soft Starter - Siemens SIRIUS 3RW50 Manual

4.2

Connecting the 3RW50 soft starter

Requirements
● Observe the conductor cross-sections and tightening torques in the data sheet or on the
front beneath the hinged cover.
● Pay attention to the required tools indicated on the front beneath the hinged cover.
● Optional accessories:
– Terminal cover for 3RW50 soft starter in sizes S6 and S12
– Box terminal block for 3RW50 soft starter in sizes S6 and S12
– Terminal cover for box terminal in sizes S6 and S12
Procedure
Hazardous voltage.
Will cause death or serious injury.
Turn off and lock out all power supplying this device before working on this device.
1. Connect the main circuit connections (line side / motor side) of the 3RW50 soft starter.
(Page 74)
2. Optionally install the box terminal blocks for sizes S6 and S12. (Page 76)
3. Optionally install the terminal covers for sizes S6 and S12. (Page 78)
4. Connect the control terminals of the 3RW50 soft starter.
Connecting the control terminals (screw terminals) (Page 79)
Connecting the control terminals (spring-type terminals) (Page 81)
Result
The 3RW50 soft starter is connected and ready to operate.
SIRIUS 3RW50 soft starter
Manual, 09/2019, A5E35628455002A/RS-AA/001
DANGER
4.2 Connecting the 3RW50 soft starter
Connecting
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