80M MCB: Miniature Circuit Breaker for Electrical Panels

The YCB9-80 series miniature circuit breakers are designed for overcurrent protection in building line facilities and similar applications. With a rated voltage of 230V/400M and a rated current of up to 80A, these circuit breakers offer isolation, overload, and short circuit protection functions. They are suitable for infrequent operation and can be used for normal line switching. Compliant with IEC/EN 60898-1 standards, these circuit breakers are ideal for use in a variety of settings including industrial, commercial, high-rise, and residential buildings. With their reliable performance and safety features, the YCB9-80 series is a versatile and practical choice for electrical protection needs

product details

General

1. Overload protection

2. Short circuit protection

3. Controlling

4. Used in residential building, non-residential building, energy source industry and infrastructure.

5. According to the type of instantaneous release classified as follows : type B(3-5)ln, type C(5-10)ln, type D(10-20)ln

Release1

Type	Test current	Tripping time	Expected result
B,C,D	1.13In	t≤1h(In≤63A)	Not tripping
B,C,D	1.13In	t≤2h(In>63A)	Not tripping
B,C,D	1.45In	t<1h(In≤63A)	Tripping
B,C,D	1.45In	t<2h(In>63A)	Tripping
B,C,D	2.55In	1s<t<60s(In≤32A)	Tripping
B,C,D	2.55In	1s<t<120s(In>32A)	Tripping

Release2

Type	Test current	Tripping time	Expected result
B	3In	t≤0.1s	Not tripping
C	5In	t≤0.1s
D	10In	t≤0.1s
B	5In	t<0.1s	Tripping
C	10In	t<0.1s
D	20In	t<0.1s

Curve

Specifications

Type	Standard		IEC/EN 60898-1
Electrical features	Rated current In	A	1,2,4,6,10,16,20,25,32,40,50,63,80
	Poles	P	1,2,3,4
	Rated voltage Ue	V	230/400
	Insulation voltage Ui	V	500
	Rated frequency	Hz	50/60
	Rated breaking capacity	A	600,010,000
	Rated impulse withstand voltage(1.2/50)Uimp	V	6000
	Dielectric test voltage at ind.Freq.for 1min	kV	2
	Pollution degree		2
	Thermo-mag netic release characteristic		B,C,D
Mechanical features	Electrical life	t	8000
	Mechanical life	t	20000
	Protection degree		IP20
	Reference temperature for setting of thermal element	℃	30
	Ambient temperature (with daily average≤35℃)	℃	-5~+40
	Storage temperature	℃	-25~+70
Installation	Terminal connection type		Cable/Pin-type busbar/U-type bar
	Terminal size top/bottom for cable	mm2	25
	Terminal size top/bottom for cable	AWG	18-3
	Terminal size top/bottom for busbar	mm2	25
	Terminal size top/bottom for busbar	AWG	18-3
	Tightening torque	N*m	2
	Tightening torque	In-Ibs	18
	Mounting		On DIN rail EN 60715(35mm)by means of fast clip device
	Connection		From top and bottom