

Details
- Low-voltage industrial components
- Power circuit-breaker for trafo/generator/installation protection
- 1 KOM
- ABB
Technical specifications
Overload release current setting
- - -A
Adjustment range undelayed short-circuit release
- - -A
With under voltage release
No
Adjustment range short-term delayed short-circuit release
- - -A
Rated short-circuit breaking capacity lcu at 400 V, 50 Hz
120kA
Rated voltage
690 - 690V
Integrated earth fault protection
No
Number of poles
3
Number of auxiliary contacts as normally closed contact
0
Complete device with protection unit
Yes
With switched-off indicator
No
Type of electrical connection of main circuit
Bolt connection
Position of connection for main current circuit
Front side
Type of control element
Toggle
Number of auxiliary contacts as normally open contact
0
Device construction
Built-in device fixed built-in technique
DIN rail (top hat rail) mounting optional
No
Rated permanent current Iu
250A
Suitable for DIN rail (top hat rail) mounting
No
Number of auxiliary contacts as change-over contact
0
Motor drive optional
Yes
Degree of protection (IP)
IP20
Motor drive integrated
No
1SDA055076R1 | T4L 250 MA 52-728 3P F F

Details
- Low-voltage industrial components
- Power circuit-breaker for trafo/generator/installation protection
- 1 KOM
- ABB
Technical specifications
Overload release current setting
- .. -A
Adjustment range undelayed short-circuit release
- .. -A
With under voltage release
Adjustment range short-term delayed short-circuit release
- .. -A
Rated short-circuit breaking capacity lcu at 400 V, 50 Hz
120kA
Rated voltage
690 .. 690V
Integrated earth fault protection
Number of poles
3
Number of auxiliary contacts as normally closed contact
0
Complete device with protection unit
With switched-off indicator
Type of electrical connection of main circuit
Bolt connection
Position of connection for main current circuit
Front side
Type of control element
Toggle
Number of auxiliary contacts as normally open contact
0
Device construction
Built-in device fixed built-in technique
DIN rail (top hat rail) mounting optional
Rated permanent current Iu
250A
Suitable for DIN rail (top hat rail) mounting
Number of auxiliary contacts as change-over contact
0
Motor drive optional
Degree of protection (IP)
IP20
Motor drive integrated
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