Functional safety
13.9 Circuit breakers and power contactors
SINAMICS DCM DC Converter
726
Operating Instructions, 12/2018, A5E34763375A
6RA8091_XXXXX_0AA0
Value Designation
Manu-
facturer
Article number
Rated DC current [A] (DC)
1200
-
-
-
Rated armature supply
voltage [V]
400
480
-
-
-
3WL circuit breaker
armature circuit
-
3WL1 circuit breaker 1000 A 690 V with
LI trigger ETU15B
Siemens 3WL1210-3BB33-4AS2-Z
Z=C22
Contactor field circuit
-
Field contactor designed for AC1
Field contactor designed for AC1
Siemens
Siemens
3RT2023-2AL20
3RT2023-2AL24
6RA8093_XXXXX_0AA0
Value Designation
Manu-
facturer
Article number
Rated DC current [A] (DC)
1500
-
-
-
Rated armature supply
voltage [V]
690
830
-
-
-
3WL circuit breaker
armature circuit
-
3WL1 circuit breaker 1250 A 690 V with
LI trigger ETU15B
3WL1 circuit breaker 1250 A 1000 V with
LI trigger ETU15B
Siemens
Siemens
3WL1212-3BB33-4AS2-Z
Z=C22
3WL1212-4BB33-4AS2-Z
Z=A05+C22
Contactor field circuit
-
Field contactor designed for AC1
Field contactor designed for AC1
Siemens
Siemens
3RT1034-3AL20
3RT1044-3AL20
6RA8093_XXXXX_0AA0
Value Designation
Manufactu
rer
Article number
Rated DC current [A] (DC)
1600
-
-
-
Rated armature supply
voltage [V]
400
575
-
-
-
3WL circuit breaker
armature circuit
-
3WL1 circuit breaker 1600 A 690 V with
LI trigger ETU15B
Siemens 3WL1216-3BB33-4AS2-Z
Z=C22
Contactor field circuit
-
Field contactor designed for AC1
Field contactor designed for AC1
Siemens
Siemens
3RT1034-3AL20
3RT1044-3AL20
6RA8095_XXXXX_0AA0
Value Designation
Manu-
facturer
Article number
Rated DC current [A] (DC)
2000
-
-
-
Rated armature supply
voltage [V]
400
575
690
830
-
-
-
3WL circuit breaker
armature circuit
-
3WL1 circuit breaker 2000 A 690 V with
LI trigger ETU15B
3WL1 circuit breaker 2000 A 1000 V with
LI trigger ETU15B
Siemens
Siemens
3WL1220-3BB33-4AS2-Z
Z=C22
3WL1220-4BB33-4AS2-Z
Z=A05+C22
Contactor field circuit
-
Field contactor designed for AC1
Field contactor designed for AC1
Siemens
Siemens
3RT1034-3AL20
3RT1044-3AL20