The Eaton Industries MCCB motor protection switch, with dimensions of 90x88x165.5mm, is designed for fixed built-in installation. It features a nominal continuous current Iu of 18A, and the main circuit connection mode is unspecified. The switch-off technology is magnetic and it has a protection degree of IP20. Its operating voltage is 690V. The NZM..-S..CNA circuit-breakers series, of which this product is a part, covers all application cases with just four compact sizes, making it suitable for the global market. It is flexible in mounting, thanks to modular function groups. It features a magnetic short-circuit release in association with an overload relay, but lacks an overload trip for short-circuit release. The switches conform to UL/CSA and IEC regulations, as stated on the rating plate, which also includes IEC switching performance values.
Specifications
Overload release current setting (A) : 0 A to 0 A
Adjustment range undelayed short-circuit release (A) : 126 A to 216 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) : 18
Rated operation power at AC-3, 230 V (kW) : 4
Rated operation power at AC-3, 400 V (kW) : 7.5
Type of electrical connection of main circuit : Other
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) : 50
Degree of protection (IP) : IP20
Height (mm) : 165.5
Width (mm) : 90
Depth (mm) : 88
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