Functional safety
13.9 Circuit breakers and power contactors
SINAMICS DCM DC Converter
Operating Instructions, 12/2018, A5E34763375A
725
Value Designation Manu-
facturer
Article number
Rated DC current [A] (DC) 720
- - -
Rated armature supply
690 - - -
Contactor armature circuit
Main contactor AC1, 800 A
Contactor field circuit - Field contactor designed for AC1
Field contactor designed for AC1
Siemens
3RT2023-2AL20
Value Designation Manu-
Article number
Rated DC current [A] (DC) 800
- - -
Rated armature supply
voltage [V]
400
480
- - -
Contactor armature circuit
Main contactor AC1, 800 A
Contactor field circuit - Field contactor designed for AC1
Field contactor designed for AC1
Siemens
3RT2023-2AL20
Value Designation Manu-
Article number
Rated DC current [A] (DC)
Rated armature supply
830 - - -
3WL circuit breaker
-
3WL1 circuit breaker 1000 A 1000 V with
LI trigger ETU15B
Siemens 3WL1210-4BB33-4AS2-Z
Contactor field circuit - Field contactor designed for AC1
Field contactor designed for AC1
Siemens
3RT2023-2AL20
Value Designation Manu-
Article number
Rated DC current [A] (DC) 1000
- - -
Rated armature supply
575
- - -
3WL circuit breaker
- 3WL1 circuit breaker 1000 A 690 V with
Siemens 3WL1210-3BB33-4AS2-Z
Contactor field circuit - Field contactor designed for AC1
Field contactor designed for AC1
Siemens
3RT2023-2AL20