The Eaton Industries MCCB motor protection circuit breaker is a compact device with measurements 90x88x145mm, designed for embedded installation. It features an overload setting range of 63-80A and a nominal sustainable current of 80A. The main circuit’s connection method is described as ‘other’ while it utilizes a thermomagnetic tripping technique. It boasts an IP20 degree of protection. Suitable for the IEC market, the breaker is offered in four compact sizes to meet various application needs. The devices are modular, enhancing flexible installation. They are equipped with phase-failure sensitivity and have a tripping class of 10A. The devices meet all requirements of the switching category AC-3 according to IEC/EN 60947-4-1 and IEC/EN 60947-2 standards.
Specifications
Overload release current setting (A) : 63 A to 80 A
Adjustment range undelayed short-circuit release (A) : 640 A to 1120 A
With thermal protection : Yes
Phase failure sensitive : Yes
Switch off technique : Thermomagnetic
Rated operating voltage (V) : 690 V to 690 V
Rated permanent current Iu (A) : 80
Rated operation power at AC-3, 230 V (kW) : 22
Rated operation power at AC-3, 400 V (kW) : 45
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) : 35
Degree of protection (IP) : IP20
Height (mm) : 145
Width (mm) : 90
Depth (mm) : 88
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