The Eaton Industries NZMN S is a power circuit breaker with a nominal continuous current Iu of 40A and a nominal cutoff power Icu of 105kA at 400. It features an overload protection setting range of 320-400A and an instantaneous short circuit setting range of 320-400A. The main circuit has a screw connection and comes with three poles. This circuit breaker, available in four compact sizes, caters to all application needs in the IEC market and offers modular function groups for flexible mounting. It is equipped with a magnetic short-circuit release in conjunction with an overload relay and a short-circuit release without an overload trip. It satisfies all the 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) : 40
Rated operation power at AC-3, 230 V (kW) : 11
Rated operation power at AC-3, 400 V (kW) : 18.5
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) : 35
Degree of protection (IP) : IP20
Height (mm) : 145
Width (mm) : 90
Depth (mm) : 88
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