

Details
- Low-voltage industrial components
- Power circuit-breaker for trafo/generator/installation protection
- 1 KOM
- ABB
Technical specifications
Overload release current setting
500.0 - 1250A
Type of electrical connection of main circuit
Bolt connection
Rated short-circuit breaking capacity lcu at 400 V, 50 Hz
75kA
Adjustment range short-term delayed short-circuit release
1250 - 12500A
Rated permanent current Iu
1250A
Integrated earth fault protection
No
Rated voltage
690 - 690V
Adjustment range undelayed short-circuit release
1875.0 - 18750A
Device construction
Built-in device fixed built-in technique
Number of auxiliary contacts as normally open contact
0
Number of auxiliary contacts as normally closed contact
0
Number of auxiliary contacts as change-over contact
4
Number of poles
3
With switched-off indicator
Yes
Type of control element
Push button
Motor drive optional
Yes
Motor drive integrated
No
Degree of protection (IP)
IP30
Suitable for DIN rail (top hat rail) mounting
No
DIN rail (top hat rail) mounting optional
No
Position of connection for main current circuit
Back side
Complete device with protection unit
Yes
1SDA056177R1 | E3S 1250 PR121/P-LSI IN=1250A 3P F

Details
- Low-voltage industrial components
- Power circuit-breaker for trafo/generator/installation protection
- 1 KOM
- ABB
Technical specifications
Overload release current setting
500.0 .. 1250A
Type of electrical connection of main circuit
Bolt connection
Rated short-circuit breaking capacity lcu at 400 V, 50 Hz
75kA
Adjustment range short-term delayed short-circuit release
1250 .. 12500A
Rated permanent current Iu
1250A
Integrated earth fault protection
Rated voltage
690 .. 690V
Adjustment range undelayed short-circuit release
1875.0 .. 18750A
Device construction
Built-in device fixed built-in technique
Number of auxiliary contacts as normally open contact
0
Number of auxiliary contacts as normally closed contact
0
Number of auxiliary contacts as change-over contact
4
Number of poles
3
With switched-off indicator
Type of control element
Push button
Motor drive optional
Motor drive integrated
Degree of protection (IP)
IP30
Suitable for DIN rail (top hat rail) mounting
DIN rail (top hat rail) mounting optional
Position of connection for main current circuit
Back side
Complete device with protection unit
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