

Details
- Low-voltage industrial components
- Power circuit-breaker for trafo/generator/installation protection
- 1 KOM
- ABB
Technical specifications
Rated voltage
690 - 690V
Rated permanent current Iu
1250A
Adjustment range undelayed short-circuit release
1875.0 - 18750A
Adjustment range short-term delayed short-circuit release
750.0 - 750.0A
Device construction
Built-in device slide-in technique (withdrawable)
Rated short-circuit breaking capacity lcu at 400 V, 50 Hz
50kA
Suitable for DIN rail (top hat rail) mounting
No
DIN rail (top hat rail) mounting optional
No
With under voltage release
No
Motor drive integrated
No
Degree of protection (IP)
IP30
Type of control element
Push button
Motor drive optional
Yes
Overload release current setting
500.0 - 1250A
Complete device with protection unit
Yes
Type of electrical connection of main circuit
Connection at separate chassis part
Number of poles
4
Integrated earth fault protection
Yes
Number of auxiliary contacts as change-over contact
4
Position of connection for main current circuit
Connection at separate chassis part
With switched-off indicator
Yes
1SDA055759R1 | E1N 1250 PR123/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 voltage
690 .. 690V
Rated permanent current Iu
1250A
Adjustment range undelayed short-circuit release
1875.0 .. 18750A
Adjustment range short-term delayed short-circuit release
750.0 .. 750.0A
Device construction
Built-in device slide-in technique (withdrawable)
Rated short-circuit breaking capacity lcu at 400 V, 50 Hz
50kA
Suitable for DIN rail (top hat rail) mounting
DIN rail (top hat rail) mounting optional
With under voltage release
Motor drive integrated
Degree of protection (IP)
IP30
Type of control element
Push button
Motor drive optional
Overload release current setting
500.0 .. 1250A
Complete device with protection unit
Type of electrical connection of main circuit
Connection at separate chassis part
Number of poles
4
Integrated earth fault protection
Number of auxiliary contacts as change-over contact
4
Position of connection for main current circuit
Connection at separate chassis part
With switched-off indicator
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