KNB1-100 Miniature Circuit Breaker

 

Sphere of application:
KNB1-100 series Miniature Circuit Breaker is nice in appearance, reasonable in structure, sound in featureand high in breaking capacity. Installed with standard din rail, it is convenient and easy in usage. It is mainly used in the line of AC 50/60Hz, rated working voltage to 240V/415V, and rated current to 100A as protection against overload and short-circuit. It can be used as infrequent on-and-off operation and changeover.
It complies with standard of GB10963 and IEC/EN60898.

Basic specification and main parameters:

Frame class	100A
Rated working voltage	240V/415V
Rated frequency	50/60Hz
Rated working current	63,80,100A
Making and breaking capacity	6000A
Release type	C,D
Poles	1,2,3,4P
Mechanical life	20000
Electric life	2000

The over-current tripping unit protection feature:

Sequence NO.	Release	Test current I/In	Start state	Tripping time	Expected restlt
1	C,D	1.13In	Cold state	t≤2h	Not tripping
2	C,D	1.45In	Start right after the serial NO.1 test	t<2h	Tripping
3	C,D	2.55In	Cold state	1s<t<120s	Tripping
4	C D	5In 10In	Cold state	t≤0.1s	Not tripping
5	C D	10In 20In	Cold state	t<0.1s	Tripping

Model and meaning:

Characteristics curve:

Dimensions(mm):

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