

Details
- •Low-voltage industrial components
- •Power circuit-breaker for trafo/generator/installation protection
- •1 KOM
- •ABB
Technical specifications
1SDA054120R1 | T4N 320 PR222DS/P-LSIG IN=320 3P F F

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Details
- Low-voltage industrial components
- Power circuit-breaker for trafo/generator/installation protection
- 1 KOM
- ABB
Technical specifications
With under voltage release
Adjustment range undelayed short-circuit release
480.0 .. 3840A
Rated permanent current Iu
320A
Suitable for DIN rail (top hat rail) mounting
Device construction
Built-in device fixed built-in technique
Rated short-circuit breaking capacity lcu at 400 V, 50 Hz
36kA
Adjustment range short-term delayed short-circuit release
192.0 .. 3200A
Number of auxiliary contacts as normally open contact
0
Type of control element
Toggle
Rated voltage
690 .. 690V
Integrated earth fault protection
DIN rail (top hat rail) mounting optional
Position of connection for main current circuit
Front side
Number of poles
3
With switched-off indicator
Number of auxiliary contacts as change-over contact
0
Motor drive integrated
Number of auxiliary contacts as normally closed contact
0
Degree of protection (IP)
IP20
Complete device with protection unit
Motor drive optional
Type of electrical connection of main circuit
Bolt connection
Overload release current setting
128.0 .. 320A