Siemens SIRIUS 3RW55 Equipment Manual page 348

Soft starters and solid-state switching devices

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Example circuits

A.4 3RW55 Failsafe soft starter

Requirements

• Note the requirements in chapter 3RW55 Failsafe soft starter (Page 343).

• If the soft stop function is set (stopping time setting element set to > 0 s) and the EMERGENCY

STOP circuit is tripped, a "Missing load" error message may be indicated on the

3RW55 Failsafe soft starter. Use Reset to reset the error message.

• Main supply voltage (operating voltage) is present.

SIRIUS 3RW55 and 3RW55 Failsafe Soft Starters

Equipment Manual, 02/2022, A5E35630887002A/RS-AF/006

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Sirius 3rw55 failsafe