The Eaton Industries MCCB motor circuit breaker measures 90x88x145mm and is designed for insertion device formats. It has a nominal continuous current Iu of 50A, with the main circuit connection method being magnetic. It features an IP protection degree of IP20 and operates at a rated voltage of 690V. For the IEC market, the NZM Series circuit breakers are suitable and come in four compact sizes to cover all application cases. Featuring flexible mounting due to modular function groups, these breakers have a magnetic short circuit release in conjunction with an overload relay, in addition to a short-circuit release without an overload trip. They also meet all 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 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) : 22.5
Degree of protection (IP) : IP20
Height (mm) : 145
Width (mm) : 90
Depth (mm) : 88
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