16 Amp 2 Pole MCB

Picture

Video

16 Amp 2 Pole MCB

YCB7-63N 16 Amp 2 Pole MCB provides overload, short circuit, and isolation protection for 230V/400V AC circuits. With 16A rated current, 6kA breaking capacity, and B/C/D tripping curve options, it is suitable for residential, commercial, and industrial distribution systems.

The 2 pole design allows simultaneous disconnection of two conductors, improving safety during circuit protection and maintenance. It supports 35mm DIN rail mounting, top or bottom wiring, and complies with IEC/EN 60898-1.

Product Details

Selection

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

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 wire capacity	Terminal size	mm²	25
		top/bottom for cable	AWG	18-3
		Terminal size	mm²	25
		top/bottom for busbar	AWG	18-3
	Torque		N*m	2
			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

Overall and mounting dimensions(mm)

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

Curve

Frequently Asked Questions

Common questions about MCB selection, 16 amp 2 pole MCB applications, installation, and circuit protection.

An MCB, or miniature circuit breaker, is used to protect electrical circuits from overload and short circuit faults. When abnormal current occurs, the MCB trips automatically to disconnect the circuit and help protect wiring, equipment, and distribution systems.

A 16 amp 2 pole MCB is commonly used for low-voltage AC circuits that require protection and isolation of two conductors. It is suitable for lighting circuits, socket circuits, small appliances, control circuits, and other medium-low power loads in residential, commercial, and industrial distribution boards.

This YCB7-63N 16A 2P MCB is designed for 230V/400V AC, 50/60Hz circuits.

The rated breaking capacity of this MCB is 6kA, which means it can safely interrupt fault currents up to 6000A under specified conditions.

A 2 pole MCB has two switching poles and can disconnect two conductors at the same time. It is often used where both live and neutral, or two live conductors, need to be disconnected for better isolation and maintenance safety.

A 1 pole MCB disconnects one conductor, usually the live wire. A 2 pole MCB disconnects two conductors simultaneously, providing more complete isolation for certain single-phase or two-wire circuits.

YCB7-63N MCB supports B, C, and D tripping curves. B curve is suitable for low inrush current loads, C curve is suitable for general loads with moderate inrush current, and D curve is suitable for loads with higher starting current.

The selection depends on the load type. B curve is often used for lighting and resistive loads. C curve is commonly used for socket circuits, small motors, pumps, and general distribution. D curve is used for equipment with high inrush current, such as transformers or larger motor loads.

Yes. This 16A 2P MCB can be used in residential distribution boards when the circuit current, wiring size, breaking capacity, and local electrical requirements are properly matched.

Yes. YCB7-63N MCB can be used in commercial and industrial distribution systems, control panels, and OEM electrical equipment, provided the electrical parameters match the system requirements.

This MCB is installed on a 35mm DIN rail according to EN 60715. It supports top or bottom wiring, which makes it convenient for installation in distribution boards and control cabinets.

This YCB7-63N MCB complies with IEC/EN 60898-1, which is commonly used for miniature circuit breakers for household and similar installations.

When selecting an MCB, key factors include rated current, number of poles, rated voltage, breaking capacity, tripping curve, load type, wire size, installation environment, and applicable electrical standards.

You can contact CNC Electric through the official website inquiry form, WhatsApp, or email. For accurate quotation, it is recommended to provide the required rated current, pole number, tripping curve, quantity, certification requirements, and target market.