The Eaton Industries NZMB A is a 3-pole circuit-breaker with a rated current and uninterrupted current of 100A. It operates at a nominal voltage of 440V and has a switching capacity of 25kA at 400/415V 50Hz. The device’s overloading protection setting range is 80 – 100A, and the un-delayed short-circuit setting range is between 600 – 1000A. It is designed as a built-in device with a fixed installation type and is equipped with a box terminal. The circuit breaker meets IEC standards and is designed specifically for system and cable protection.
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) : 600 A to 1000 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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