

Details
- •Low-voltage industrial components
- •Power circuit-breaker for trafo/generator/installation protection
- •1 KOM
- •ABB
Technical specifications
1SDA055741R1 | E1N 1250 PR122/P-LSIG IN=1250A 4P F

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Details
- Low-voltage industrial components
- Power circuit-breaker for trafo/generator/installation protection
- 1 KOM
- ABB
Technical specifications
Rated voltage
690 .. 690V
Type of electrical connection of main circuit
Bolt connection
Rated short-circuit breaking capacity lcu at 400 V, 50 Hz
50kA
Number of auxiliary contacts as normally closed contact
0
DIN rail (top hat rail) mounting optional
Rated permanent current Iu
1250A
Integrated earth fault protection
Adjustment range undelayed short-circuit release
1875.0 .. 18750A
With switched-off indicator
Type of control element
Push button
Adjustment range short-term delayed short-circuit release
750.0 .. 750.0A
Overload release current setting
500.0 .. 1250A
Device construction
Built-in device fixed built-in technique
Motor drive integrated
Number of auxiliary contacts as normally open contact
0
Degree of protection (IP)
IP30
Suitable for DIN rail (top hat rail) mounting
Number of poles
4
Number of auxiliary contacts as change-over contact
4
Position of connection for main current circuit
Back side
Complete device with protection unit
Motor drive optional