The Eaton Industries MCCB power switch, also known as Circuit-breaker NZM1, has 3 poles with a switching capacity of 400/415 V 50 Hz (Icu: 25 kA). Its rated and uninterrupted current is 50 A (In= Iu) making it suitable for continuous operation. The power switch is designed for plug-in units and box terminal installations. It meets international IEC standards and is purposed for system and cable protection, making it a robust component in any power management infrastructure.
Specifications
Rated permanent current Iu (A) : 50
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) : 40 A to 50 A
Adjustment range short-term delayed short-circuit release (A) : 0 A to 0 A
Adjustment range undelayed short-circuit release (A) : 300 A to 500 A
Integrated earth fault protection : No
Type of electrical connection of main circuit : Frame clamp
Device construction : Built-in device plug-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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