The Eaton Industries MCCB motor protection circuit breaker, with dimensions of 95x90x201mm, features an adjustable overload protection range of 40 – 50A. Designed for consistent nominal current of 50A, this inbuilt device features a unique connection method for the main current circuit. Equipped with thermomagnetic switch-off technology, it offers a protection degree of IP20. The Series NZM..-M circuit breakers cater to all application cases with just four compact sizes, deemed suitable for IEC markets. The modular function groups offer flexible mounting. These breakers, which come with phase-failure sensitivity and trip class 10A, fulfill all requirements of the switching category AC-3 as per IEC/EN 60947-4-1 and IEC/EN 60947-2.
Specifications
Overload release current setting (A) : 40 A to 50 A
Adjustment range undelayed short-circuit release (A) : 400 A to 700 A
With thermal protection : Yes
Phase failure sensitive : Yes
Switch off technique : Thermomagnetic
Rated operating voltage (V) : 690 V to 690 V
Rated permanent current Iu (A) : 50
Rated operation power at AC-3, 230 V (kW) : 15
Rated operation power at AC-3, 400 V (kW) : 22
Type of electrical connection of main circuit : Other
Type of control element : Rocker lever
Device construction : Built-in device plug-in technique
With integrated auxiliary switch : No
With integrated under voltage release : No
Number of poles : 3
Rated short-circuit breaking capacity lcu at 400 V, AC (kA) : 22.5
Degree of protection (IP) : IP20
Height (mm) : 201
Width (mm) : 95
Depth (mm) : 90
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