Description :-

An MCCB provides protection by combining a temperature sensitive device with a current sensitive electromagnetic device. The objective of a protection scheme is to keep the power system stable by isolating only the components that are under fault, which leaving as much of the network as possible still in the operation.

Technical Details :-

• Range: 40A – 1600A, Ics=100%Icu, Three Optimum Frames

• Protection against overloads: - lr adjustable from 0.4 to 1 x ln - tr adjustable from 3 to 30s#

• Protection against short circuits: - lsd adjustable from 1.5 to 10 x lr - tsd adjustable from 0 to 0.5s

• Inbuilt Instantaneous Protection: - Ii# – Fixed

• Option for In built or add on module for Earth Leakage Protection## - Adjustable sensitivity: 0.03 -    0.3 - 1 - 3 A - Adjustable tripping: 0 - 0.3 - 1 - 3s

• Breaking Capacity# – 25kA, 36kA, 50kA, 70kA & 100kA

Features :-

• In built Display for Current Metering with accuracy of class 1

• Internal Battery with battery measure function

• Communication Ready via COMM Port

• Logical Selectivity Ready (Zone Selective Interlocking)

• Dynamic Selectivity as per Selectivity Charts

• In Built USB Port for Software Diagnosis

• Suitable for Isolation

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