The Eaton Industries NZMB A circuit-breaker is a 3-pole device with a rated continuous current (Iu) of 200A and nominal voltage of 440V. It has a breaking capacity (Icu) of 25kA at 400V and 18kA at 600Y/347V 60Hz. Its overload protection range is 160 – 200A and un-delayed short-circuit range is 1200 – 2000A. Designed as a built-in fixed device, it has a screw connection and is approved by UL/CSA and IEC standards. Its primary function is to provide system and cable protection.
Specifications
Rated permanent current Iu (A) : 200
Rated voltage (V) : 440 V to 440 V
Rated short-circuit breaking capacity lcu at 400 V, 50 Hz (kA) : 25
Overload release current setting (A) : 160 A to 200 A
Adjustment range short-term delayed short-circuit release (A) : 0 A to 0 A
Adjustment range undelayed short-circuit release (A) : 1200 A to 2000 A
Integrated earth fault protection : No
Type of electrical connection of main circuit : Screw connection
Device construction : Built-in device fixed built-in technique
Suitable for DIN rail (top hat rail) mounting : No
DIN rail (top hat rail) mounting optional : Yes
Number of auxiliary contacts as normally closed contact : 0
Number of auxiliary contacts as normally open contact : 0
Number of auxiliary contacts as change-over contact : 0
With switched-off indicator : No
With integrated under voltage release : No
Number of poles : 3
Position of connection for main current circuit : Front side
Type of control element : Rocker lever
Complete device with protection unit : Yes
Motor drive integrated : No
Motor drive optional : Yes
Degree of protection (IP) : IP20
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