Functional safety
13.9 Circuit breakers and power contactors
SINAMICS DCM DC Converter
724 Operating Instructions, 12/2018, A5E34763375A
Rated DC current [A] (DC)
Rated armature supply
voltage [V]
400
480
- - -
Contactor armature circuit
Main contactor AC1, 275 A
Field contactor designed for AC1
Rated DC current [A] (DC)
Rated armature supply
400
- - -
Contactor armature circuit
Main contactor AC1, 275 A
Field contactor designed for AC1
Rated DC current [A] (DC)
Rated armature supply
400
- - -
Contactor armature circuit
Main contactor AC1, 400 A
Contactor field circuit - Field contactor designed for AC1
Field contactor designed for AC1
Siemens
3RT2023-2AL20
Rated DC current [A] (DC)
Rated armature supply
480 - - -
Contactor armature circuit - Main contactor AC1, 400 A Siemens 3RT1466-6AP36
Contactor field circuit - Field contactor designed for AC1
Field contactor designed for AC1
Siemens
3RT2023-2AL20
Rated DC current [A] (DC)
Rated armature supply
voltage [V]
400
480
- - -
Contactor armature circuit
Main contactor AC1, 690 A
Contactor field circuit - Field contactor designed for AC1
Field contactor designed for AC1
Siemens
3RT2023-2AL20