The Eaton Industries NZMN A is a 4 pole circuit-breaker with a switching capacity of 50kA at 400/415V 50Hz. It features a rated current and uninterrupted current of 80A. This device also includes an overload protection adjustable setting of 63-80A, an instant short circuit setting of 6-10A, and is designed for system and cable protection. The NZMN A adopts fixed installation type with box terminal. Conforming to IEC standard, Eaton Industries specifically designed this circuit breaker for built-in device implementation, providing efficient and reliable power management.
Specifications
Rated permanent current Iu (A) : 80
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) : 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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