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DESCRIPTION

Basic Info

Model NO.	YCM1
Poles Number	1
Type	Circuit Breaker
Function	Circuit-Breaker Failure Protection
Certification	ISO9001-2000, CE, CB
Product Type	Circuit Breaker
Poles	2,3,4
Rated Current	63,125,250,400,630,800
Rated Voltage Ue(V)	500/800
ICU (Ka)	8-100
Ics (Ka)	4-50
Transport Package	Export Packing
Specification	IEC 60898
Trademark	CNC, OEM
Origin	China
HS Code	85362000
Production Capacity	80, 000PCS/Day

Product Description

CNC Ycm1 Series MCCB Circuit Breakers 63A 100A 125A 250A 400A 630A 800A 3p 4p 400V/690V Electric Moulded Case Circuit Breakers

Product Description

YCM1 series moulded case circuit breaker(herein after called circuit breaker) adopts international advanced design and manufactural technology, it can be dividedinto L-type (standard type), M-type (higher type)according to the rated ultimate short circuit breaking capacity (Icu). With the features of small and compact, high breaking capacity, short arcing-over distance, anti-vibration, the circuit breaker is used popularly on land and marine products, they are applied for the power distribution network of AC 50Hz,rated insulation voltage 800V (YCM1-63 to 500V), rated working voltage 690V(YCM1-63 to 400V) and below, rated current up to 1250A, it can be used to distribute electric power and protect power equipment against overload, short circuit, undervoltage etc, It also takes protective effect when motors infrequently start and protecting against overload, short circuit and lacking voltage. In the series, frame ranging from 63-630A three-pole product also comes with a transparent cover, it is convenient for customer to observe the product operation.The circuit breaker can be installed vertically, or horizontally. This product complies with standard of IEC60947-2.

Function and featuresTemperature: -5ºC ~+40ºC ; the average value within 24h shall not exceed +35ºC . For the circuit breaker with thermo-magnetic release, +40ºC is set to be the standard temperature for ratings. For temperature not between -5ºC~+40ºC, please contact us for temperature compensation correction;Altitude: not exceed 2000m (Please contact with us for reduction coefficient if altitude at the mounted site exceed 2000m)Pollution grade: Grade 3;Air conditions:At mounting site, relative humidity not exceed 50% at the max temperature of +40ºC, higher relative humidity is allowable under lower temperature. For example, RH could be 90% at +20ºC, special measures should be taken to occurrence of dews.

Type				YCM1-63		YCM1-125		YCM1-250		YCM1-400		YCM1-630		YCM1-800	YCM1-1250
Poles		P		3	3, 4	2, 3, 4		2, 3, 4		3	4	3	4	3, 4	3
Rated current In		A		10, 16, 20, 2532, 40, 50, 63		10, 16, 20, 2532, 40, 50, 6380, 100, 125		100, 125, 140160, 180, 200225, 250		225, 250, 315350, 400		400, 500, 630		630, 700, 800	800, 10001250
Rated insulation voltage Ui		V		500		800
Rated impulse withstand voltage Uimp		V		6000		8000
Rated operation voltage Ue		V		AC400		AC400/690
Breaking capacity class				L	M	L	M	L	M	L	M	L	M	M	M
Limit short-circuit breaking capacity Icu		kA	400V	35	50	35	50	35	50	50	65	50	65	75	85
			690V			8	10	8	10	10	20	10	20	30	25
Working short-circuit breaking capacity Ics		kA	400V	22	25	22	25	22	25	35	42	35	42	50	42.5
			690V			4	5	4	5	5	10	5	10	15	12.5
Arcing distance		mm		50						100
Operating frequency	Electrical life			1500		1500		1000		1000		1000		500	500
	mechanical life			8500		8500		7000		4000		4000		2500	2500

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