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
