The Eaton Industries MCCB (Molded Case Circuit Breaker) is a three-pole circuit-breaker, with a switching capacity of 400/415V 50Hz. The interrupting capacity (Icu) of the breaker is 36kA and it has a rated current (or, equivalently, rated uninterrupted current) of 500A. This MCCB has a withdrawable installation type and a screw connection. The breaker conforms to IEC standards and has a protective function for both system and cable protection.
Specifications
Rated permanent current Iu (A) : 500
Rated voltage (V) : 690 V to 690 V
Rated short-circuit breaking capacity lcu at 400 V, 50 Hz (kA) : 36
Overload release current setting (A) : 400 A to 500 A
Adjustment range short-term delayed short-circuit release (A) : 0 A to 0 A
Adjustment range undelayed short-circuit release (A) : 3000 A to 5000 A
Integrated earth fault protection : No
Type of electrical connection of main circuit : Screw connection
Device construction : Built-in device slide-in technique (withdrawable)
Suitable for DIN rail (top hat rail) mounting : No
DIN rail (top hat rail) mounting optional : No
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
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