6ka MCB Miniature Circuit Breaker Mini Circuit Breaker Knb6-63 MCB with Ce, CB, Semko

• Model NO.: KNB6-63
• Poles Number: 4
• Type: Circuit Breaker
• Function: Conventional Circuit Breaker
• Certification: ISO9001-2000, CE, CB
• Transport Package: Carton
• Trademark: KORLEN
• Origin: Wenzhou; Zhejiang; China
• HS Code: 8536200000
• Production Capacity: 5000000PCS/Year

Product Description

Product Description:

Sphere of application                                         Model and meaning   
Basic specification and main parameters              Dimensions(mm)   
The over-current tripping unit protection feature   Characteristics curve  
Technique parameter:

Sphere of application

KNB6 High-breaking Miniature Circuit Breaker is nice in appearance, reasonable in structure, sound in feature and 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 415V, and rated current to 63A 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	63A
Rated working voltage	240V/415V
Rated frequency	50/60Hz
Rated working current	6,10,16,20,25,32,40,50,63A
Making and breaking capacity	10000A
Release type	C
Poles	1,2,3,4P
Mechanical life	10000
Electric life	4000

The over-current tripping unit protection feature   

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

Model and meaning

Dimensions(mm)  

Characteristics curve