Eaton NZMB2-A50-NA Circuit Breaker 3P 50A UL Certified – 269210

The Eaton Industries NZMB A is a 3-pole circuit-breaker with a system and cable protection function. The rated current and rated uninterrupted current (In=Iu) is 50A, with an adjustable overload protection range of 40-50A and an adjustable short-circuit range of 300-500A. It also has a nominal voltage of 440V and a nominal cut-off capacity (Icu) of 25kA at 400. The circuit-breaker also has switching capacities of 25kA at 480Y/277 V 60 Hz, 18kA at 600Y/347 V 60 Hz, and 25kA at 480 V 60 Hz. The device has a screw connection and is built as a fixed installation unit. This complies with UL/CSA and IEC standards.

Specifications

Rated permanent current Iu (A) : 50
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) : 40 A to 50 A
Adjustment range short-term delayed short-circuit release (A) : 0 A to 0 A
Adjustment range undelayed short-circuit release (A) : 300 A to 500 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