

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
85kA
Overload release current setting
500.0 - 1250A
Rated voltage
690 - 690V
Integrated earth fault protection
No
Device construction
Built-in device fixed built-in technique
Type of electrical connection of main circuit
Bolt connection
DIN rail (top hat rail) mounting optional
No
Adjustment range undelayed short-circuit release
1875.0 - 18750A
Number of poles
4
Number of auxiliary contacts as normally closed contact
0
Number of auxiliary contacts as change-over contact
4
Adjustment range short-term delayed short-circuit release
1250 - 12500A
Position of connection for main current circuit
Back side
Number of auxiliary contacts as normally open contact
0
With switched-off indicator
Yes
Suitable for DIN rail (top hat rail) mounting
No
Type of control element
Push button
Motor drive integrated
No
Complete device with protection unit
Yes
Motor drive optional
Yes
Degree of protection (IP)
IP30
1SDA055961R1 | E2S 1250 PR121/P-LSI IN=1250A 4P F HR

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
85kA
Overload release current setting
500.0 .. 1250A
Rated voltage
690 .. 690V
Integrated earth fault protection
Device construction
Built-in device fixed built-in technique
Type of electrical connection of main circuit
Bolt connection
DIN rail (top hat rail) mounting optional
Adjustment range undelayed short-circuit release
1875.0 .. 18750A
Number of poles
4
Number of auxiliary contacts as normally closed contact
0
Number of auxiliary contacts as change-over contact
4
Adjustment range short-term delayed short-circuit release
1250 .. 12500A
Position of connection for main current circuit
Back side
Number of auxiliary contacts as normally open contact
0
With switched-off indicator
Suitable for DIN rail (top hat rail) mounting
Type of control element
Push button
Motor drive integrated
Complete device with protection unit
Motor drive optional
Degree of protection (IP)
IP30
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