The Eaton Industries NZMN S is a power circuit breaker suitable for the IEC market, with a rated continuous current Iu of 160A and a nominal breaking capacity Icu of 53kA at 400V. It features an overload protection adjustment range of 1210 – 2000A, and an instantaneous short-circuit release adjustment range of 1210 – 2000A. It utilises a screw connection for the main circuit and is a three-pole device. Flexibility in installation is provided by modular function groups. This breaker is equipped with a magnetic short-circuit release in conjunction with an overload relay and can actuate a short-circuit release without overload trip. Additionally, it adheres to 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) : 160
Rated operation power at AC-3, 230 V (kW) : 45
Rated operation power at AC-3, 400 V (kW) : 75
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) : 35
Degree of protection (IP) : IP20
Height (mm) : 184
Width (mm) : 105
Depth (mm) : 149
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