The Eaton Industries MCCB motor protection circuit breaker is a compact device with dimensions of 95x90x201mm. It features an overload protection range of 40-50A and a rated continuous current Iu of 50A. The device has a thermomagnetic trip mechanism and is built for embedding with insert technology. With a protection rating of IP20, it has an unspecified main circuit connection method. The NZM series circuit-breakers are compatible with the IEC market and offer flexible mounting due to their modular function groups. Additional features include phase-failure sensitivity and tripping class 10A as per IEC/EN 60947-4-1 and IEC/EN 60947-2 standards, fulfilling all requirements of the switching category AC-3.
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) : 440 V to 440 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) : 18.5
Degree of protection (IP) : IP20
Height (mm) : 201
Width (mm) : 95
Depth (mm) : 90
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