

Details
- Low-voltage industrial components
- Power circuit-breaker for trafo/generator/installation protection
- 1 KOM
- ABB
Technical specifications
Rated permanent current Iu
320A
Rated short-circuit breaking capacity lcu at 400 V, 50 Hz
36kA
Integrated earth fault protection
No
Adjustment range undelayed short-circuit release
320 - 3200A
Type of electrical connection of main circuit
Bolt connection
Adjustment range short-term delayed short-circuit release
320 - 3200A
Number of poles
4
With under voltage release
No
Type of control element
Toggle
Degree of protection (IP)
IP20
Motor drive integrated
No
Complete device with protection unit
Yes
Rated voltage
690 - 690V
Suitable for DIN rail (top hat rail) mounting
No
Overload release current setting
128.0 - 320A
DIN rail (top hat rail) mounting optional
No
Position of connection for main current circuit
Front side
Device construction
Built-in device fixed built-in technique
With switched-off indicator
No
Motor drive optional
Yes
1SDA054121R1 | T4N 320 PR221DS-LS IN=320 4P F F

Details
- Low-voltage industrial components
- Power circuit-breaker for trafo/generator/installation protection
- 1 KOM
- ABB
Technical specifications
Rated permanent current Iu
320A
Rated short-circuit breaking capacity lcu at 400 V, 50 Hz
36kA
Integrated earth fault protection
Adjustment range undelayed short-circuit release
320 .. 3200A
Type of electrical connection of main circuit
Bolt connection
Adjustment range short-term delayed short-circuit release
320 .. 3200A
Number of poles
4
With under voltage release
Type of control element
Toggle
Degree of protection (IP)
IP20
Motor drive integrated
Complete device with protection unit
Rated voltage
690 .. 690V
Suitable for DIN rail (top hat rail) mounting
Overload release current setting
128.0 .. 320A
DIN rail (top hat rail) mounting optional
Position of connection for main current circuit
Front side
Device construction
Built-in device fixed built-in technique
With switched-off indicator
Motor drive optional
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