The Eaton Industries NZMN A is a 4-pole circuit breaker offering system and cable protection. It has a rated uninterrupted current (In = Iu) of 63A and a nominal voltage of 690V. The switching capacity stands at 400/415V 50 Hz with an interruption capacity (Icu) of 50kA at 400. The device offers overload protection setting range from 50 to 63A and a short-circuit setting range from 6 to 10A. Designed as a fixed, built-in device, it also features a box terminal. It complies with IEC standards.
Specifications
Rated permanent current Iu (A) : 63
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) : 50 A to 63 A
Adjustment range short-term delayed short-circuit release (A) : 0 A to 0 A
Adjustment range undelayed short-circuit release (A) : 6 A to 10 A
Integrated earth fault protection : No
Type of electrical connection of main circuit : Frame clamp
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 : 4
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 : No
Degree of protection (IP) : IP20
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