The Eaton Industries NZM2 circuit-breaker is a 3-pole device with a switching capacity of SCCR 600Y/347V 60Hz (Icu): 25kA and SCCR 480V 60Hz (Icu): 35kA. It possesses a rated current of 40A, which is equal to its rated uninterrupted current (In=Iu). This device has an adjustable overload protection range of 32-40A, and an instantaneous short-circuit range of 320-400A. Its installation type is fixed, with a screw connection. The circuit breaker is designed to provide system and cable protection and is certified under UL/CSA and IEC standards.
Specifications
Rated permanent current Iu (A) : 40
Rated voltage (V) : 690 V to 690 V
Rated short-circuit breaking capacity lcu at 400 V, 50 Hz (kA) : 50
Overload release current setting (A) : 32 A to 40 A
Adjustment range short-term delayed short-circuit release (A) : 0 A to 0 A
Adjustment range undelayed short-circuit release (A) : 320 A to 400 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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