The Eaton Industries NZMB is a 3-pole circuit breaker with a fixed installation type and screw connection. It has a rated and uninterrupted current of 80A, with a rated voltage of 440V. The circuit breaker has a switching capacity at SCCR 480Y/277V 60Hz and 480V 60Hz of 25 kA, and at 600Y/347V 60Hz of 18 kA. Its overcurrent protection setting range is from 63-80A and undelayed short-circuit setting range is from 480-800A. This device offers system and cable protection and meets UL/CSA and IEC standards.
Specifications
Rated permanent current Iu (A) : 80
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) : 63 A to 80 A
Adjustment range short-term delayed short-circuit release (A) : 0 A to 0 A
Adjustment range undelayed short-circuit release (A) : 480 A to 800 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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