

Details
- •Low-voltage industrial components
- •Power circuit-breaker for trafo/generator/installation protection
- •1 KOM
- •ABB
Technical specifications
1SDA055658R1 | E1B 1250 PR121/P-LSIG IN=1250A 4P W

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Details
- Low-voltage industrial components
- Power circuit-breaker for trafo/generator/installation protection
- 1 KOM
- ABB
Technical specifications
Number of auxiliary contacts as normally closed contact
0
Number of poles
4
Overload release current setting
500.0 .. 1250A
Number of auxiliary contacts as change-over contact
4
Number of auxiliary contacts as normally open contact
0
Rated voltage
690 .. 690V
Rated permanent current Iu
1250A
Degree of protection (IP)
IP30
Motor drive integrated
Position of connection for main current circuit
Connection at separate chassis part
Type of control element
Push button
Rated short-circuit breaking capacity lcu at 400 V, 50 Hz
42kA
Type of electrical connection of main circuit
Connection at separate chassis part
Adjustment range short-term delayed short-circuit release
1250 .. 12500A
Suitable for DIN rail (top hat rail) mounting
Adjustment range undelayed short-circuit release
1875.0 .. 18750A
With switched-off indicator
Device construction
Built-in device slide-in technique (withdrawable)
Integrated earth fault protection
Motor drive optional
Complete device with protection unit
DIN rail (top hat rail) mounting optional