Curve D MCB Miniature Circuit Breaker

By complying with a number of international safety standards and authoritative certifications, Curve D MCB Miniature Circuit Breaker provides reliable protection for electrical systems and is widely used in a variety of applications where high safety and stability are required. When selecting and using Curve D MCBs, it is recommended that the selection be based on specific electrical system requirements and load characteristics, and that the relevant installation and maintenance codes be followed.

Model:STM10-63

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Product Description

Standard		IEC/EN 60898-1
Electrical features	Rated current In	A	1,2,4,6,10,16,20,25,32,40,50,63A
	Poles	P	1P,2P,3P,4P
	Rated voltage Ue	V	AC 230/400
	Insulation voltage Ui	V	500
	Rated frequency	Hz	50/60
	Rated breaking capacity	A	3000, 4500, 6000
	Rated impulse withstand voltage(1.2/50)Uimp	V	4000
	Dielectric test voltage at ind.Freq.for 1 min	Kv	2
	Pollution degree		2
	Thermo-magnetic release characteristic		B,C,D
Mechanical features	Electrical life	t	4000
	Mechanical life	t	10000
	Protection degree		IP20
	Reference temperature for setting of thermal element	ºC	30
	Ambient temperature (with daily average ≤35ºC)	ºC	-5~+40(Special application please refer to temperature compensation correction)
	Storage temperature	ºC	-25~+70
Installation	Terminal connection type		Cable/Pin-type busbar
	Terminal size top/bottom for cable	mm2	25
		AWG	18-3
	Therminal size top/bottom for busbar	mm2	25
		AWG	18-3
	Tightening torque	N*m	2
		In-lbs	18
	Mounting		on DIN rail EN 60715(35mm)by means of fast clip device
	Connection		From top and bottom

Product Characteristics

 Rated Current and Voltage: Curve D MCBs are suitable for a wide range of rated currents, such as 6A, 10A, 16A, 20A, 25A, 32A, 40A, 50A, 63A, etc., as well as for rated voltage ranges such as 110V, 220V, 400V, etc., and for frequencies of 50/60Hz.

 Withdrawal Characteristics: Curve D MCBs are particularly suitable for high inductive loads and distribution systems that generate large inrush currents, such as electrical equipment that generates pulsed currents, small motors, etc. They can be used in a wide range of applications, such as power distribution systems, power distribution systems, and power supply systems. Its instantaneous breaking current is typically 10-40 times the rated current, which means it can quickly cut off circuits and protect equipment from damage during sudden increases in current.

 Short-circuit protection: D-curve MCBs have a high short-circuit breaking capacity, such as the rated short-circuit breaking capacity of 6kA for some products, which can reliably protect circuits from short-circuit currents.

 Safety Standards and Certifications: These products usually comply with a number of international safety standards, such as EN/IEC 60898, AS/NZS 60898.1, IEC60947-2, etc., and have obtained authoritative certificates such as CE, CB, CCC, TUV, etc., to ensure that the products are safe and reliable.

Curve D MCB Miniature Circuit Breaker