The Eaton Industries MCCB circuit breaker is suitable for the IEC market, catering to all application cases with four compact sizes and flexible installation due to the use of modular function groups. The nominal continuous current Iu is 250A, the nominal voltage is 690V, and the nominal cut-off ability Icu at 400 is 50kA. The overload protection setting range extends between 200 – 250A, while the un-delayed short-circuit setting range is 1500 – 2500A. The device is designed in a built-in fixed assembly form.
Specifications
Rated permanent current Iu (A) : 250
Rated voltage (V) : 690 V to 690 V
Rated short-circuit breaking capacity lcu at 400 V, 50 Hz (kA) : 50
Overload release current setting (A) : 200 A to 250 A
Adjustment range short-term delayed short-circuit release (A) : 0 A to 0 A
Adjustment range undelayed short-circuit release (A) : 1500 A to 2500 A
Integrated earth fault protection : No
Type of electrical connection of main circuit : Screw connection
Device construction : Built-in device fixed built-in technique
Suitable for DIN rail (top hat rail) mounting : No
DIN rail (top hat rail) mounting optional : No
Number of auxiliary contacts as normally closed contact : 0
Number of auxiliary contacts as normally open contact : 0
Number of auxiliary contacts as change-over contact : 0
With switched-off indicator : No
With integrated under voltage release : No
Number of poles : 3
Position of connection for main current circuit : Front side
Type of control element : Rocker lever
Complete device with protection unit : Yes
Motor drive integrated : No
Motor drive optional : Yes
Degree of protection (IP) : IP20
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