The Eaton Industries MCCB power breaker has a rated continuous current Iu of 630A and nominal voltage of 690V. It features a nominal tripping capacity Icu at 400, reaching 150kA. In terms of overload protection range, it is adjustable between 315 – 630A, while the short-delayed adjustment range spans from 210 – 2205A. For undelayed short-circuit settings, the adjustment range is 1260 – 5040A. This circuit breaker from the NZM series covers all application cases with just four compact sizes. Its design is suitable for the IEC market, and installation is flexible, made possible by the use of modular function groups.
Specifications
Rated permanent current Iu (A) : 630
Rated voltage (V) : 690 V to 690 V
Rated short-circuit breaking capacity lcu at 400 V, 50 Hz (kA) : 150
Overload release current setting (A) : 315 A to 630 A
Adjustment range short-term delayed short-circuit release (A) : 210 A to 2205 A
Adjustment range undelayed short-circuit release (A) : 1260 A to 5040 A
Integrated earth fault protection : No
Type of electrical connection of main circuit : Screw connection
Device construction : Built-in device plug-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 : 4
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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