The Eaton Industries MCCB motor protection switch is a built-in device with a fixed installation design, featuring dimensions of 140x166x275mm. It boasts a nominal continuous current Iu of 400A, with a main circuit connection via screw connection and incorporates magnetic tripping technology. It offers an IP20 degree of protection and operates at a rated voltage of 690V. This device belongs to the NZM..-S series of circuit breakers, which covers all application scenarios in just four compact sizes suitable for the IEC market. Its modular function groups allow for flexible mounting. The device comes equipped with a magnetic short-circuit release, which operates in conjunction with an overload relay. It also features a short-circuit release without an overload trip. It meets 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) : 7 A to 44328 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) : 400
Rated operation power at AC-3, 230 V (kW) : 132
Rated operation power at AC-3, 400 V (kW) : 200
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) : 35
Degree of protection (IP) : IP20
Height (mm) : 275
Width (mm) : 140
Depth (mm) : 166
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