This Eaton Industries product is a NZMB M series circuit-breaker with a nominal continuous current Iu of 100A and a nominal cut-off capacity Icu of 53kA at 400 volts. Its setting range for overload protection and instantaneous short circuit are each between 600 – 1000A. This three-pole breaker connects its main circuit via a direct screw connection. Its compact size enables diverse applications, with thermomagnetic releases suitable for motor protection. The breaker is equipped with phase-failure sensitivity and a tripping class of 10A, satisfying all requirements of the IEC/EN 60947-4-1, IEC/EN 60947-2 switching category AC-3.
Specifications
Overload release current setting (A) : 80 A to 100 A
Adjustment range undelayed short-circuit release (A) : 800 A to 1250 A
With thermal protection : Yes
Phase failure sensitive : Yes
Switch off technique : Thermomagnetic
Rated operating voltage (V) : 440 V to 440 V
Rated permanent current Iu (A) : 100
Rated operation power at AC-3, 230 V (kW) : 30
Rated operation power at AC-3, 400 V (kW) : 55
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) : 18.5
Degree of protection (IP) : IP20
Height (mm) : 145
Width (mm) : 90
Depth (mm) : 88
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