The Eaton Industries MCCB circuit-breaker, known as NZM3, features a four-pole configuration with a switching capacity of 400/415 V, 50 Hz and an Icu of 36 kA. It is rated for an uninterrupted current of 500 A. This breaker is designed for fixed installation and comes with a screw connection. Compliant with the IEC standard, it provides essential protection for both system and cable.
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) : 400 A to 500 A
Adjustment range short-term delayed short-circuit release (A) : 0 A to 0 A
Adjustment range undelayed short-circuit release (A) : 3000 A to 5000 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 : 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 : Yes
Degree of protection (IP) : IP20


![3M Scotchlok Wire Connector - 7100166936 [50 Pieces]](https://www.gripvaultsafety.com/wp-content/uploads/2026/06/e33h4_00.1f4a84b8.webp)


Reviews
There are no reviews yet.