The Eaton Industries MCCB motor circuit-breaker is a built-in device with dimensions of 105x149x195mm. It has a nominal continuous current Iu of 2.4A and employs a screw connection for the main current circuit. The circuit-breaker operates using a magnetic cut-off technique and has a degree of protection of IP20. It operates at a measuring voltage of 690V. Furthermore, it is part of the NZM..-S..CNA series suitable for worldwide usage with just four compact sizes. It has modular function groups for flexible mounting and uses a magnetic short-circuit release in conjunction with an overload relay. Doesn’t include an overload trip in the short-circuit release. It complies with UL/CSA and IEC regulations with IEC switching performance values indicated on the rating plate.
Specifications
Overload release current setting (A) : 0 A to 0 A
Adjustment range undelayed short-circuit release (A) : 192 A to 336 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) : 2.4
Rated operation power at AC-3, 230 V (kW) : 0.75
Rated operation power at AC-3, 400 V (kW) : 1.5
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) : 150
Degree of protection (IP) : IP20
Height (mm) : 195
Width (mm) : 105
Depth (mm) : 149
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