The Eaton Industries NZMN A is a circuit-breaker with 3 poles, having a rated uninterrupted current (In = Iu) of 160A and a nominal voltage of 690V. Its switching capacity at 400/415 V 50 Hz (Icu) stands at 50 kA. The device is a fixed installation type with a screw connection and has several protective functions encompassing system and cable protection. It also holds the standard or approval from the IEC. The range for overload protection settings is 125 – 160A and the un-delayed short circuit setting range is between 960 – 1600A.
Specifications
Rated permanent current Iu (A) : 160
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) : 125 A to 160 A
Adjustment range short-term delayed short-circuit release (A) : 0 A to 0 A
Adjustment range undelayed short-circuit release (A) : 960 A to 1600 A
Integrated earth fault protection : No
Type of electrical connection of main circuit : Screw connection
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 : Yes
Degree of protection (IP) : IP20
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