The Eaton Industries MCCB motor protection switch has dimensions of 140x166x275mm and is designed as a built-in fixed installation device. It has a nominal continuous current Iu of 250A and a screw connection for the main current circuit. The switch employs magnetic tripping technology and offers an IP20 degree of protection. The operating voltage is 690V. The NZM series circuit-breakers accommodate all application cases in just four compact sizes and are suited for the IEC market. These circuit breakers exhibit flexibility in mounting due to their modular function groups. They are equipped with a magnetic short-circuit release combined with an overload relay and a short-circuit release without an overload trip. All circuit-breakers satisfy 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) : 250
Rated operation power at AC-3, 230 V (kW) : 75
Rated operation power at AC-3, 400 V (kW) : 132
Type of electrical connection of main circuit : Screw connection
Type of control element : Rocker lever
Device construction : Built-in device fixed built-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) : 130
Degree of protection (IP) : IP20
Height (mm) : 275
Width (mm) : 140
Depth (mm) : 166
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