The Eaton Industries NZMN S is a power circuit breaker with a nominal continuous current Iu of 80A and a nominal disconnecting capacity Icu at 400 of 105kA. It features an overload protection setting range of 480 – 800A and a non-delayed short circuit setting range of 480 – 800A. This 3-pole circuit breaker utilizes a screw connection for the main circuit. It boasts a magnetic short-circuit release which is applied in conjunction with an overload relay, as well as short-circuit release without overload trip. This product meets all requirements of the AC-3 switching category, offering versatile mounting flexibility with its modular function groups, making it suitable for diverse applications in the IEC market.
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) : 80
Rated operation power at AC-3, 230 V (kW) : 22
Rated operation power at AC-3, 400 V (kW) : 37
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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