Eaton NZMC3-A400 NZM3 Circuit Breaker 3P 400A IEC – 109666

The Eaton Industries MCCB Circuit-breaker NZM3 is a 3-pole breaker designed with a switching capacity of 400/415 V and 50 Hz. Its rated current, which equates to its rated uninterrupted current (In = Iu), is 400 A. It features a screw connection and is meant for fixed installations. The device adheres to the IEC standard and is designed to provide protection for both systems and cables.

Specifications

Rated permanent current Iu (A) : 400
Rated voltage (V) : 690 V to 690 V
Rated short-circuit breaking capacity lcu at 400 V, 50 Hz (kA) : 36
Overload release current setting (A) : 320 A to 400 A
Adjustment range short-term delayed short-circuit release (A) : 0 A to 0 A
Adjustment range undelayed short-circuit release (A) : 2400 A to 4000 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 : No
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