Data Sheet
● at 35 Cel
630A
● at 40 Cel
599A
● at 45 Cel
567A
● at 50 Cel
536A
Continuous current / rated value 630A
Let-through current / I2 t / maximum permissible / in
utilization category
● AC-21 B / at 400 V
5400000A²·s
● AC-21 B / at 500 V
5400000A²·s
● AC-22 B / at 400 V
5400000A²·s
● AC-22 B / at 500 V
5400000A²·s
Let-through current / Ic / maximum permissible / in
utilization category
● AC-21 B / at 400 V
55000A
● AC-21 B / at 500 V
55000A
● AC-22 B / at 400 V
55000A
● AC-22 B / at 500 V
55000A
Accuracy class / of the current transformer without
Short circuit
Maximum short-circuit current breaking capacity (Icu)
/ at 400 V / rated value
55kA
Connections
Type of connection, main circuit Stud terminal, 2xM12
Type of electrical connection / for main current circuit stud terminals
Mechanical Design
Height 198mm
Width 590mm
Depth 308mm
Type of mounting plug-in version
Mounting type pluggable
Busbar center-to-center spacing 185mm
Busbar center-to-center spacing
● 40 mm
No
● 50 mm
No
● 60 mm
No
● 100 mm
No
● 185 mm
Yes
Environmental conditions
Installation altitude / at height above sea level /
maximum
2000m
● during operation
-25...+55°C
3NJ6233-1AA00-0AA0 Subject to change without notice
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09/14/2019 © Copyright Siemens