The Eaton Industries MCCB Circuit-breaker NZM3 is a three-pole power switch with a switching capacity of 400/415 V at 50 Hz and an interrupting capacity (Icu) of 36 kA. Its rated current, which equals the rated uninterrupted current (In = Iu), is 500 A. This device is designed for fixed installation and it features a screw connection. It conforms to the IEC standards. Its primary protective function is to provide short-circuit protection.
Specifications
Rated permanent current Iu (A) : 500
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) : 0 A to 0 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 : 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
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