AM1 Moulded Case Circuit Breaker 1.6A-1250A 2.Working voltage: up to 800V 3.Certification:IEC60947-2 4.Good quality/

AM1 Moulded Case Circuit Breaker (MCCB)

1. ApplicationAM1 series moulded case circuit breaker is one of products developed and manufactured byadopting international advanced technology. It is supplied with rated insulating voltage 800Vand used for circuit of A.C. 50Hz, rated operating voltage AC 400V (or below), rated operatingcurrent up to 800A for infrequent changing over and starting of the motors.The products con-forms to IEC60947-2 standard.2. Main Technical Specification(table1)

Type	Ratedcurrent (A)	Polenum-ber	Ratedinsui-atingvolt-age(V)	Ratedoperat-ingvolt-age(V)	Arcing-overdistance(mm)	Ultimateshortcircuitbreakingcapacity(KA)	Serviesshortcircuitbreakingcapacity(KA)	Operationperform-ance		Utiliza-tioncat-egory
								Load	Unload
AM1-63L	(6),1016,2025 ,3240,5063	3, 4	500V	400V	0	25	18	1500	8500	A
AM1-63M					0	50	35
AM1-100L	(10),1620,2532,4050,6380,100		800V		0(≤50)	35	22
AM1-100M					0(≤50)	50	35
AM1-100H					0(≤50)	85	50	1000	7000
AM1-225L	100,125160,180200,225				≤50	35	22
AM1-225M					≤50	50	35
AM1-225H					≤50	85	50	1000	4000
AM1-400L	225,250315,350400				≤50	50	35
AM1-400M					≤100	65	42
AM1-630L	400,500630				≤100	50	35
AM1-630M					≤100	65	42
AM1-630H					≤100	100	65
AM1-800M	630,700800	3			≤100	75	50
AM1-800H					≤100	100	65
AM1-1250M	1000,1250				≤100	100	65
AM1-1250H					≤100	125	5

Note: 6A no thermal protection The N-pole of four-poles breaker is sifed at the right side of the product has four types: Type A: No current trip-lease on N pole which making all the time, not closing and opening with the otherthree poles. Type B: No current trip-release on N pole which closing and opening with the other poles. Type C: With current trip-release which closing and opening with the other three poles. Type D: With current frip-release which making all the time not closing and opening with the other threepoles.3. Protection CharacteristicThe thermodynamic release of a circuit breaker provides the feature of inverse time-delay,while the magnetic release is the instantaneous operation as shown on table 2(distribution cir-cuit breaker) and table 3 (motor protection circuit breaker).Table2

Rated current ofrelease (A)	Thermodynamic release( ambient temp )		Operationalcurrent ofmagneticrelease (A)
	1.05In(cold state)Inoperative time(h)	1.30In(heat state)Operative time(h)
10≤In≤63	≥1	< 1	10In±20%
225≤In≤630	≥2	< 2
100≤In≤800	≥2	< 2	5In±20%

Table3

Rated current ofrelease (A)	Thermodynamic release( ambient temp )				Operationalcurrent ofmagneticrelease (A)
	1.0In(cold state)Inoperative time(h)	1.20In(heat state)Operative time (h)	1.50In(heat state)Operative time (h)	7.2In(cold state)Operative time(h)
10≤In≤225	≥2	<2	≤4min≤8min	4s< Tp ≤10s6s< Tp ≤20s	12In±20%
225≤In≤630

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AM1(CM1) Series Moulded Case Circuit Breaker