The Eaton Industries NZMB S power circuit breaker is rated for a continuous nominal current Iu of 200A and a nominal interrupting capacity Icu of 53kA at 400V. It features adjustable overload protection from 1210 – 2000A and adjustable instantaneous short circuit from 1210 – 2000A. The primary circuit connection method is a screw connection and it has three poles. The NZM..-S..CNA series circuit breakers come in four compact sizes and offer modular function groups for flexibility in installation. They are equipped with magnetic short-circuit release and are compatible with overload relays. They meet both UL/CSA and IEC regulations. The product’s IEC switching performance values can be found on the rating plate.
Specifications
Overload release current setting (A) : 0 A to 0 A
Adjustment range undelayed short-circuit release (A) : 8 A to 13 A
With thermal protection : No
Phase failure sensitive : No
Switch off technique : Magnetic
Rated operating voltage (V) : 440 V to 440 V
Rated permanent current Iu (A) : 200
Rated operation power at AC-3, 230 V (kW) : 55
Rated operation power at AC-3, 400 V (kW) : 110
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) : 18.5
Degree of protection (IP) : IP20
Height (mm) : 195
Width (mm) : 105
Depth (mm) : 149
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