Eaton NZMB1-4-A50 Circuit Breaker 4P 50A 25kA IEC – 265801

The Eaton Industries NZMB A is a 4-pole circuit-breaker, known for its uninterrupted rated current (In=Iu) of 50A and its switching capacity of 400/415V at 50Hz, yielding an Interrupting Capacity (Icu) of 25kA. This unit is designed for fixed installation and comes with a box terminal. In line with IEC standards, this circuit breaker offers effective system and cable protection, with an overload protection setting range of 40-50A and an immediate short circuit setting range of 6-10A.

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) : 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