Grounding Switch Downstream Of Main Breaker; Grounding Switch Upstream Of Main Breaker; Holder For Arc Detector; Main Contactor For Line Connection Modules < 800 A - Siemens SINAMICS S120 Operating Instructions Manual

Description
2.6 Description of the optional components
2.6.10

Grounding switch downstream of main breaker

It is closed manually by means of a rotary actuator and ensures, for example, safe isolation
from supply in the Cabinet Module during servicing. The grounding switch grounds the
cabinet's internal components located downstream of the circuit breaker.
Note
You can find a description of the grounding switch in the "SINAMICS S120 Cabinet Modules"
Manual, Chapter, "Options / L46/L47, grounding switch before/after the main switch".
2.6.11

Grounding switch upstream of main breaker

It is closed manually by means of a rotary actuator and ensures, for example, safe isolation
from supply in the Cabinet Module during servicing. The grounding switch grounds the
connected line feeder cables.
Note
You can find a description of the grounding switch in the "SINAMICS S120 Cabinet Modules"
Manual, Chapter, "Options / L46/L47, grounding switch before/after the main switch".
2.6.12

Holder for ARC detector

You can attach ACR detectors of the arcing systems VA1DA1 / Vamp Ldt. company, as well
as TVOC / ABB company.
Note
You can find a description of the holder in the "SINAMICS S120 Cabinet Modules" Manual,
Chapter, "Options / L51, holder for ARC detector".
2.6.13 Main contactor for Line Connection Modules < 800 A
A Line Connection Module, adapted for connection to a Basic Line Module is equipped with a
manually operated fuse load disconnector up to a rated current of 800 A.
A contactor is required if a switching element is also required for disconnecting from the supply.
The contactor is controlled by the connected Line Module.
Note
You can find a description of the main contactor in the "SINAMICS S120 Cabinet Modules"
Manual, Chapter, "Options / L13, main contactor for Line Connection Modules < 800 A".
32
Applications for Cabinet Modules, liquid cooled
Operating Instructions, 04/2015, A5E35974555A