Polarized 320A Molded Case Circuit Breaker

Zhejiang Galaxy Fuse Co., Ltd.,known as Yinrong,manufactures and supply Polarized 320A Molded Case Circuit Breaker(hereinafter referred as MCCB) named YRM3.This MCCB is engineered to protect low-voltage electrical systems from short-circuit events with expected fault currents and overloads of a higher magnitude.What’s more, it can serve as an isolation device for maintenance purposes. YRM3 MCCBs are widely used in DC systems such as communication and photovoltaic sectors. The rated current ranges from 63A to 320A, while the rated voltage spans from 500VDC to 1500VDC.

Model:YRM3

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Product Description

Zhejiang Galaxy Fuse Co., Ltd. specializes in the production and manufacturing of the Polarized 320A Molded Case Circuit Breaker. This MCCB serves functions such as overload,short circuit protection,and isolation,which makes it widely applicable in DC systems such as communication and photovoltaic industry.The MCCB complies with international standards: IEC 60947-2, GB/T 14048.2.The rated voltage of this MCCB is 2P 500VDC/1000VDC and 3P 1500VDC,with currents ranging from 63A to 320A.

Rated Voltage

DC 500V/1000V/1500V

Rated Current

63-320A

Pole

2P/3P

Standard/Compliance

-IEC 60947-2

-GB/T14048.2

Applications

- Communication industry

- Solar photovoltaic system

Country of Origin

People’s Republic of China

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Model		YRM3DC-250
Pole		2			3
Rated voltage Ue(V)		DC 500V	DC 1000		DC 1500
Rated insulation voltage(Ui)		DC 1250V			DC 1500
Rated impulse withstand voltage(Uimp)		8KV			12KV
Rated Current In(A)		63,80,100,125,140,160,180,200,225,250,280,315,320
Rated ultimate short circuit breaking capacity(Icu)	H Type	50	20		20
	R Type	/	/		/
Rated operating short circuit breaking capacity(Ics)		Ics=100%Icu
Wiring method		Top to bottom,bottom to top(2P);Top to top,bottom to bottom(3P)
Usage categories		A
Isolation		YES
Ambient temperature		-35℃---70℃
Mechanical life span		20000
Electrical life span		3000		2000		1500
International standard		IEC/EN 60947-2,GB/T 14048.2
Auxiliary accessories		shunt trip,auxiliary contacts,alarm switch,Electric mechanism,manual mechanism
Dimension(L x W x H )		180x76x126(2P) 180x107x126(3P)

Note: H type:High breaking capacity R type:Current-limiting

Characteristics

Dimension and installation details

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