

Details
- Low-voltage industrial components
- Power circuit-breaker for trafo/generator/installation protection
- 1 KOM
- ABB
Technical specifications
Rated voltage
690 - 690V
Rated permanent current Iu
1250A
Rated short-circuit breaking capacity lcu at 400 V, 50 Hz
42kA
Overload release current setting
500.0 - 1250A
Adjustment range undelayed short-circuit release
1875.0 - 18750A
Device construction
Built-in device fixed built-in technique
Type of electrical connection of main circuit
Bolt connection
Adjustment range short-term delayed short-circuit release
750.0 - 750.0A
Number of auxiliary contacts as normally closed contact
0
Motor drive integrated
No
With switched-off indicator
Yes
Number of auxiliary contacts as normally open contact
0
Number of auxiliary contacts as change-over contact
4
Complete device with protection unit
Yes
DIN rail (top hat rail) mounting optional
No
Number of poles
4
Suitable for DIN rail (top hat rail) mounting
No
Integrated earth fault protection
No
Motor drive optional
Yes
Position of connection for main current circuit
Back side
Type of control element
Push button
Degree of protection (IP)
IP30
From same serie
1SDA055644R1 | E1B 1250 PR122/P-LSI IN=1250A 4P F

Details
- Low-voltage industrial components
- Power circuit-breaker for trafo/generator/installation protection
- 1 KOM
- ABB
Technical specifications
Rated voltage
690 .. 690V
Rated permanent current Iu
1250A
Rated short-circuit breaking capacity lcu at 400 V, 50 Hz
42kA
Overload release current setting
500.0 .. 1250A
Adjustment range undelayed short-circuit release
1875.0 .. 18750A
Device construction
Built-in device fixed built-in technique
Type of electrical connection of main circuit
Bolt connection
Adjustment range short-term delayed short-circuit release
750.0 .. 750.0A
Number of auxiliary contacts as normally closed contact
0
Motor drive integrated
With switched-off indicator
Number of auxiliary contacts as normally open contact
0
Number of auxiliary contacts as change-over contact
4
Complete device with protection unit
DIN rail (top hat rail) mounting optional
Number of poles
4
Suitable for DIN rail (top hat rail) mounting
Integrated earth fault protection
Motor drive optional
Position of connection for main current circuit
Back side
Type of control element
Push button
Degree of protection (IP)
IP30
From same serie
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