

Details
- Low-voltage industrial components
- Power circuit-breaker for trafo/generator/installation protection
- 1 KOM
- ABB
Technical specifications
Suitable for DIN rail (top hat rail) mounting
No
Rated voltage
690 - 690V
Type of electrical connection of main circuit
Connection at separate chassis part
Rated permanent current Iu
1250A
Rated short-circuit breaking capacity lcu at 400 V, 50 Hz
42kA
Adjustment range short-term delayed short-circuit release
750.0 - 750.0A
Overload release current setting
500.0 - 1250A
Device construction
Built-in device slide-in technique (withdrawable)
Number of auxiliary contacts as change-over contact
4
Motor drive optional
Yes
Number of poles
4
Adjustment range undelayed short-circuit release
1875.0 - 18750A
Integrated earth fault protection
No
With switched-off indicator
Yes
Degree of protection (IP)
IP30
Type of control element
Push button
DIN rail (top hat rail) mounting optional
No
Position of connection for main current circuit
Connection at separate chassis part
Motor drive integrated
No
Number of auxiliary contacts as normally open contact
0
Number of auxiliary contacts as normally closed contact
0
Complete device with protection unit
Yes
1SDA055659R1 | E1B 1250 PR122/P-LI IN=1250A 4P W MP

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