External Bypass - Siemens SIRIUS 3RW55 Equipment Manual

Example circuits
A.3 Special applications
A.3.12

External bypass

Requirements
• Parameter "Tripping class" is set to "CLASS OFF".
• Parameter "Bypass operation mode" (in menu "Additional parameters") is set to "External
bypass".
• Parameter "Output action" of the output at which the external bypass contactor is connected
is set to "External bypass".
• External bypass contactor
• External overload relay
334
NOTICE
Material damage due to overload
If an external bypass is used, the intrinsic device protection and the motor overload
protection will be deactivated. This can result in damage to the soft starter or the motor due
to overload.
Use an additional external overload protection to protect the soft starter and the motor from
damage due to overload.
SIRIUS 3RW55 and 3RW55 Failsafe Soft Starters
Equipment Manual, 02/2022, A5E35630887002A/RS-AF/006