The Eaton Industries NZM1 is a 4-pole circuit-breaker with a rated current and uninterrupted current of 80A. It has a switching capacity of 400/415 V 50 Hz with an interrupting capacity (Icu) of 25 kA. The device is designed for fixed installation with box terminal. It complies with IEC standards and serves the primary function of system and cable protection. The overload protection setting range is between 63 – 80A while the un-delayed short-circuit setting range is between 6 – 10A. It has a rated voltage of 440V.
Specifications
Rated permanent current Iu (A) : 80
Rated voltage (V) : 440 V to 440 V
Rated short-circuit breaking capacity lcu at 400 V, 50 Hz (kA) : 25
Overload release current setting (A) : 63 A to 80 A
Adjustment range short-term delayed short-circuit release (A) : 0 A to 0 A
Adjustment range undelayed short-circuit release (A) : 6 A to 10 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 : 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 : No
Degree of protection (IP) : IP20
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