Eaton Circuit Breaker NZM1 4 Pole 160A 50KA – 281251

The Eaton Industries NZM1 circuit breaker is a fixed installation device rated for 160A of uninterrupted current. It features a 4-pole design with a switching capacity of 400/415V 50Hz, offering an interrupting capacity (Icu) of 50 kA. The device is set to handle an overload protection range of 125 – 160A and an instantaneous short circuit setting of 1280A. This circuit breaker also meets IEC standards and is designed to provide both system and cable protection.

Specifications

Rated permanent current Iu (A) : 160
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) : 125 A to 160 A
Adjustment range short-term delayed short-circuit release (A) : 0 A to 0 A
Adjustment range undelayed short-circuit release (A) : 1280 A to 1280 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