Connecting
4.2 Connecting the 3RW55 soft starter
SIRIUS 3RW55 soft starter
54 Manual, 08/2018, A5E35630887002A/RS-AB/002
Connecting the 3RW55 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 soft starter with sizes 2, 3, and 4
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 3RW55 soft starter.
(Page 55)
2. Optionally mount the terminal covers for sizes 2 / 3 / 4. (Page 57)
3. Connect the control terminals of the 3RW55 soft starter.
Connecting the control terminals (screw terminals) (Page 60)
Connecting the control terminals (spring-type terminals) (Page 62)
4. Mount the supplied cover for the control cable duct. (Page 66)
The 3RW55 soft starter is connected and ready to operate.
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