Functional safety
13.9 Circuit breakers and power contactors
SINAMICS DCM DC Converter
Operating Instructions, 12/2018, A5E34763375A
723
Circuit breakers and power contactors
Rated DC current [A] (DC)
Rated supply voltage
armature [V]
400
480
- - -
Contactor armature circuit
Main contactor designed for AC1, 40 A
Field contactor designed for AC1
Rated DC current [A] (DC)
Rated armature supply
400
- - -
Contactor armature circuit
Main contactor designed for AC1, 40 A
Field contactor designed for AC1
Rated DC current [A] (DC)
Rated armature supply
voltage [V]
400
480
- - -
Contactor armature circuit
Main contactor designed for AC1, 50 A
Field contactor designed for AC1
Rated DC current [A] (DC)
Rated armature supply
400
- - -
Contactor armature circuit
Main contactor designed for AC1, 100 A
Field contactor designed for AC1
Rated DC current [A] (DC)
Rated armature supply
voltage [V]
400
480
- - -
Contactor armature circuit
Main contactor designed for AC1, 120 A
Field contactor designed for AC1