63N MCB: Miniature Circuit Breaker for Household Use

Introducing the YCB7-63N series miniature circuit breaker, designed for efficient overcurrent protection in AC 50/60Hz, rated voltage 230V/400V circuits with a rated current of up to 63A. These circuit breakers provide isolation, overload, and short circuit protection, making them suitable for a wide range of applications in industry, commerce, high-rise buildings, and residential buildings. The breakers are compliant with the IEC/EN 60898-1 standard, ensuring high quality and reliability. With a focus on safety and performance, these circuit breakers are an ideal choice for protecting building line facilities and other similar purposes. Trust in the YCB7-63N series to provide the protection and peace of mind you need for your electrical circuits

product details

Selection

YCB7	-	63	N	1P	C	16
Model		Shell grade current	Breaking capacity	Number of poles	Tripping	Rated curren
Model		Shell grade current	Breaking capacity	Number of poles	characteristics	Rated curren
Miniatur circuit breaker e		63	N:6kA	1P	B	1
				2P	C	2
				3P	D	4
				4P		6
						10
						16
						20
						25
						32
						40
						50
						63
						80

Note:This product can be assembled with accessories(YCB7-63N OF/SD/OF+SD/ MX/ MVMN/MX+OF, etc)

Technical data

Type	Standard			IEC/EN 60898-1
Comprehensive data	Function			Overload, Short circuit, Isolation
	Number of poles			1P,2P,3P,4P
	Rated current In		A	1-63A
	Rated frequency		Hz	50/60Hz
Electrical features	Rated voltage Ue		V	230/400
	Rated insulation voltage Ui		V	500
	Rated breaking capacity Icn		A	6000
	Rated impulse withstand voltage Uimp(1.2/50）		kA	4
	Pollution degree			2
	Use category			II、III
	Trip type			Thermal magnetic release
	Thermal magnetic tripping characteristics			B,C,D
	Electrical and mechanical accessories			口
Mechanical features	Mechanical life		Times	20000
	Electrical life		Times	10000
	Protection degree			IP20
	Antihumidity and heat resistance			The relative humidity of the air is not more than 50% when the ambient air temperature is +40°C, and it can have a higher relative humidity at a lower temperature
	Reference ambient temperature		°C	30
	Ambient temperature		°C	-5°C-+40°C, the average value of 24h does not exceed +35°C
	Height		m	Not exceeding 2000
Installation	Terminal connection type			Cable/Pin-type busbar
	Maximum	Terminal size	mm²	25
	wire capacity	top/bottom for cable	AWG	18-3
		Terminal size	mm²	25
		top/bottom for busbar	AWG	18-3
	Torque		N*m	2
	Torque		In-lbs	18
	Tool		18	Phillips screwdriver or flat-blade screwdriver
	Installation			On DIN rail EN 60715 (35mm) by means of fast clip device
	Wiring method			From top or bottom

Selection

Type	Test current	Tripping time	Expected result	Type	Test current	Tripping time	Expected result
B,C,D	1.13In	t≤1h(In≤63A)	Not tripping	B	3In	t≤0.1s	Not tripping
B,C,D	1.13In	t≤2h(In>63A)	Not tripping	C	5In	t≤0.1s
B,C,D	1.45In	t<1h(In≤63A)	Tripping	D	10In	t≤0.1s
B,C,D	1.45In	t<2h(In>63A)	Tripping	B	5In	t＜0.1s	Tripping
B,C,D	2.55In	1s<t<60s(In≤32A)	Tripping	C	10In	t＜0.1s
B,C,D	2.55In	1s<t<120s(In>32A)	Tripping	D	20In	t＜0.1s