

Details
- Low-voltage industrial components
- Power circuit-breaker for trafo/generator/installation protection
- 1 KOM
- ABB
Technical specifications
Rated voltage
690 - 690V
Integrated earth fault protection
Yes
Rated permanent current Iu
1250A
Adjustment range undelayed short-circuit release
1875.0 - 18750A
Overload release current setting
500.0 - 1250A
Rated short-circuit breaking capacity lcu at 400 V, 50 Hz
75kA
Number of auxiliary contacts as normally open contact
0
Type of electrical connection of main circuit
Connection at separate chassis part
DIN rail (top hat rail) mounting optional
No
Device construction
Built-in device slide-in technique (withdrawable)
Number of auxiliary contacts as change-over contact
4
Suitable for DIN rail (top hat rail) mounting
No
Number of poles
3
Number of auxiliary contacts as normally closed contact
0
With switched-off indicator
Yes
Degree of protection (IP)
IP30
Complete device with protection unit
Yes
Adjustment range short-term delayed short-circuit release
1250 - 12500A
Position of connection for main current circuit
Connection at separate chassis part
Motor drive optional
Yes
Motor drive integrated
No
Type of control element
Push button
From same serie
1SDA056194R1 | E3S 1250 PR121/P-LSIG IN=1250A 3P W

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