The Eaton Industries NZM1 is a 3-pole circuit breaker; it offers an impressive switching capacity of 50 kA at 400/415 V 50Hz (ICU). With a rated uninterrupted current (In = Iu) of 20A, this device provides robust system and cable protection. It’s made for fixed installation and fitted with box terminals for secure connections. It also works within the nominal voltage of 690V and the rated continuous current of Iu 100A. Furthermore, it has an adjustable overload protection range from 15 – 20A and an immediate short circuit range of 350A. The circuit breaker complies with IEC standards.
Specifications
Rated permanent current Iu (A) : 100
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) : 15 A to 20 A
Adjustment range short-term delayed short-circuit release (A) : 0 A to 0 A
Adjustment range undelayed short-circuit release (A) : 350 A to 350 A
Integrated earth fault protection : No
Type of electrical connection of main circuit : Frame clamp
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 : No
Degree of protection (IP) : IP20
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