The Eaton Industries MCCB Circuit-breaker NZM3 is a 3 pole switching capacity device with 400/415 V 50 Hz. It has a short circuit breaking capacity (Icu) of 36 kA and a rated current, also referred to as the rated uninterrupted current (In = Iu), of 400 A. It is designed for a fixed type of installation and features a screw connection for secure installation. This circuit breaker adheres to the IEC standards and is geared towards providing short-circuit protection.
Specifications
Rated permanent current Iu (A) : 400
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) : 0 A to 0 A
Adjustment range short-term delayed short-circuit release (A) : 0 A to 0 A
Adjustment range undelayed short-circuit release (A) : 7 A to 12.5 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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