The Eaton Industries MCCB power circuit breaker offers a nominal continuous current Iu of 150A and a nominal voltage of 690V. It also features a nominal breaking capacity Icu at 400V of 150kA. The device is built for overload protection with a range of 150A and an un-delayed short-circuit range of 6-10A. The construction style of this device is a permanently installed built-in device. Additional specifications include a 4-pole NZM2 breaker with switching capacities of 150 kA at 480Y/277V 60Hz, 50 kA at 600Y/347V 60Hz, and 100 kA at 480V 60Hz. It’s UL/CSA and IEC approved for system and cable protection, its rated current equals the rated uninterrupted current at 150 A, and designed for fixed installation with box terminal.
Specifications
Rated permanent current Iu (A) : 150
Rated voltage (V) : 690 V to 690 V
Rated short-circuit breaking capacity lcu at 400 V, 50 Hz (kA) : 150
Overload release current setting (A) : 150 A to 150 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 : Yes
Degree of protection (IP) : IP20
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