The Eaton Industries NZMB A is a 4-pole circuit breaker with a rated uninterrupted current (In = Iu) of 100A and a nominal voltage of 440V. Its switching capacity at 400/415V 50Hz(Icu) is 25kA. The protective function includes system and cable protection. The overload protection setting range is 80-100A, while the short-circuit setting range is 6-10A. Built as a fixed installation device in the form of a box terminal, the circuit breaker is designed for inbuilt structure and complies with the IEC standard.
Specifications
Rated permanent current Iu (A) : 100
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) : 80 A to 100 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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