

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
42kA
Device construction
Built-in device slide-in technique (withdrawable)
Overload release current setting
500.0 - 1250A
Adjustment range undelayed short-circuit release
1875.0 - 18750A
Integrated earth fault protection
Yes
Suitable for DIN rail (top hat rail) mounting
No
Type of electrical connection of main circuit
Connection at separate chassis part
Rated voltage
690 - 690V
DIN rail (top hat rail) mounting optional
No
With switched-off indicator
Yes
Number of auxiliary contacts as normally open contact
0
Adjustment range short-term delayed short-circuit release
1250 - 12500A
Number of auxiliary contacts as change-over contact
4
Number of auxiliary contacts as normally closed contact
0
Position of connection for main current circuit
Connection at separate chassis part
Number of poles
4
Motor drive integrated
No
Degree of protection (IP)
IP30
Motor drive optional
Yes
Complete device with protection unit
Yes
Type of control element
Push button
From same serie
1SDA055658R1 | E1B 1250 PR121/P-LSIG IN=1250A 4P W

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
42kA
Device construction
Built-in device slide-in technique (withdrawable)
Overload release current setting
500.0 .. 1250A
Adjustment range undelayed short-circuit release
1875.0 .. 18750A
Integrated earth fault protection
Suitable for DIN rail (top hat rail) mounting
Type of electrical connection of main circuit
Connection at separate chassis part
Rated voltage
690 .. 690V
DIN rail (top hat rail) mounting optional
With switched-off indicator
Number of auxiliary contacts as normally open contact
0
Adjustment range short-term delayed short-circuit release
1250 .. 12500A
Number of auxiliary contacts as change-over contact
4
Number of auxiliary contacts as normally closed contact
0
Position of connection for main current circuit
Connection at separate chassis part
Number of poles
4
Motor drive integrated
Degree of protection (IP)
IP30
Motor drive optional
Complete device with protection unit
Type of control element
Push button
From same serie
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