The Eaton Industries MCCB motor protection circuit breaker, measuring 95x90x201mm, is a plug-in device designed for continuous nominal current of 50A. It has a unique connection method for the main circuit and employs magnetic tripping mechanism for circuit-breakout. With an IP20 degree of protection, it can operate at a measuring voltage of 690V. It falls under the NZM..-S series of circuit breakers, which are compact and suitable for the IEC market. They are flexible for mounting due to their modular function groups. Besides the magnetic short-circuit release, they also come with an overload relay and short-circuit release without overload tripping. It should be noted that these circuit breakers meet all the requirements of the AC-3 switching category.
Specifications
Overload release current setting (A) : 0 A to 0 A
Adjustment range undelayed short-circuit release (A) : 8 A to 14 A
With thermal protection : No
Phase failure sensitive : No
Switch off technique : Magnetic
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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