

Details
- Low-voltage industrial components
- Power circuit-breaker for trafo/generator/installation protection
- 1 KOM
- ABB
Technical specifications
Rated permanent current Iu
1250A
Rated short-circuit breaking capacity lcu at 400 V, 50 Hz
50kA
Rated voltage
690 - 690V
Adjustment range undelayed short-circuit release
1875.0 - 18750A
Overload release current setting
500.0 - 1250A
Device construction
Built-in device fixed built-in technique
Adjustment range short-term delayed short-circuit release
1250 - 12500A
Integrated earth fault protection
No
Type of electrical connection of main circuit
Bolt connection
Suitable for DIN rail (top hat rail) mounting
No
DIN rail (top hat rail) mounting optional
No
Number of auxiliary contacts as change-over contact
4
Number of auxiliary contacts as normally closed contact
0
With switched-off indicator
Yes
Number of poles
4
Position of connection for main current circuit
Back side
Type of control element
Push button
Number of auxiliary contacts as normally open contact
0
Degree of protection (IP)
IP30
Complete device with protection unit
Yes
Motor drive integrated
No
Motor drive optional
Yes
From same serie
1SDA055737R1 | E1N 1250 PR121/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 permanent current Iu
1250A
Rated short-circuit breaking capacity lcu at 400 V, 50 Hz
50kA
Rated voltage
690 .. 690V
Adjustment range undelayed short-circuit release
1875.0 .. 18750A
Overload release current setting
500.0 .. 1250A
Device construction
Built-in device fixed built-in technique
Adjustment range short-term delayed short-circuit release
1250 .. 12500A
Integrated earth fault protection
Type of electrical connection of main circuit
Bolt connection
Suitable for DIN rail (top hat rail) mounting
DIN rail (top hat rail) mounting optional
Number of auxiliary contacts as change-over contact
4
Number of auxiliary contacts as normally closed contact
0
With switched-off indicator
Number of poles
4
Position of connection for main current circuit
Back side
Type of control element
Push button
Number of auxiliary contacts as normally open contact
0
Degree of protection (IP)
IP30
Complete device with protection unit
Motor drive integrated
Motor drive optional
From same serie
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