Mcb rating MB626C made by Meba

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Specification

Meba mcb rating MB626C adopts advanced design technology, it has protective function as shortage as overload, and are used in lighting distribution system industry, commerce and dwelling, and protecting fractional electric motors, and Meba mcb rating MB626C also have many merits of high protective grade(up to IP20), high breaking capacity, reliable sensitive action, convenient, multiple assembling, long life etc. They are mainly adapted to the circuit of AC 50Hz, 230V in single pole; 400V in double, three, four poles for protecting overload and short circuit, meanwhile Meba mcb rating MB626C are also used in turning on or off the electric apparatus and lighting circuit under the normal condition.

Parameter

Meba mcb rating MB626C

Technical parameters:

Against overload and short circuit in commercial, household and electric equipment installation. The product is suitable for non-frequently making and breaking operation.

Basic specification and main parameters

Frame class	63A
Rated working voltage	240V/415V
Rated frequency	50/60Hz
Rated working current	1,3,6,10,16,20,25,32,40,50,63A
Making and breaking capacity	6000A(6~40A),4500A(50,63A)
Release type	B,C,D
Poles	1,2,3,4P
Mechanical life	20000
Electric life	4000

The over-current tripping unit protection feature

Sequence NO .	Release	Test current I/In	Start state	Tripping time	Expected results
1	B,C,D	1.13In	Cold state	t≤1h	Not tripping
2	B,C,D	1.45In	Start right after the serial NO . 1 test	t<1h	Tripping
3	B,C,D	2.55In	Cold state	1s	Tripping
4	B C D	3In 5In 10In	Cold state	t≤0.1s	Not tripping
5	B C D	5In 10In 20In	Cold state	t<0.1s	Tripping