The Eaton Industries MCCB Circuit-Breaker NZM2 is a 3-pole device with a switching capacity of 400/415V at 50Hz. It features an interrupted current rating (Icu) of 36 kA and a rated current (In = Iu) of 300 A. It is designed for fixed installation and uses a screw connection for secure attachment. This breaker is standardized and approved according to IEC standards. It is primarily used for system and cable protection, ensuring the safety and integrity of your electrical setup.
Specifications
Rated permanent current Iu (A) : 300
Rated voltage (V) : 690 V to 690 V
Rated short-circuit breaking capacity lcu at 400 V, 50 Hz (kA) : 36
Overload release current setting (A) : 240 A to 300 A
Adjustment range short-term delayed short-circuit release (A) : 0 A to 0 A
Adjustment range undelayed short-circuit release (A) : 2000 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 : Yes
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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