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AM1E Series Moulded Case Circuit Breaker

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1. Application


AM1 series moulded case circuit breaker is one of products developed and manufactured by adopting international advanced technology. It is supplied with rated insulating voltage 500 and 800V and used for the circuit of AC 50/60Hz, rated operating voltage AC 400V (or below), rated operating current up to 1 600A for infrequently changing over and starting of the motors. The products conforms to IEC60947-2 standard.


2. Main Technical Specification


Type Rated RatedRatedRated  insul- ating volt- age(V)Rated operat- ing volt-age(V)Arcing-ove distance(mm)Ultimate short circuit breaking capacity (kA)Service short circuit breaking capacity(kA)Operation perform-anceUtiliza-tion cat-egory
LoadUnload
AM1-63L

(6),10,16,

20,25,32,40,50,63

3,4500V400V0251815008500A
AM1-63M800V05035
AM1-125L(10),16,20,25,32,40,50,63,80,100,1250(≤50)3522
AM1-125M0(≤50)5035
AM1-250L

100,125,160,

180,200,225

≤50352210007000
AM1-250M≤505035
AM1-400L

225,250,315,

350,400

≤50503510004000
AM1-400M≤1006542
AM1-630L

400

500

600

≤1005035
AM1-630M≤1006542
AM1-800M630,700,800≤1007550
AM1-1250M1000,1250≤100

100


150

6


80

AM1-1600M1600
≤100


Note: 6A without thermal protection

The N-pole of four-poles breaker is sited at the right side of the product has four types:

Type A: Without current trip-release on N pole which making all the time, not closing and opening with the other three poles.

Type B: Without 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 trip-release which making all the time not closing and opening with the other three poles.


3. Protection Characteristic


The 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).


Rated current of release (A)Thermodynamic release( ambient temperature land +40°C marine +45°C )Operating current of magnetic release (A)
1.05In(cold state) Inoperative time(h)1.30In(heat state) Operative time(h)
10≤In≤63≥1<110|n+20%
63< In≤100≥2<2
100< In≤800≥2<25ln+20% 10ln+20%


ated current of release(A)Thermodynamic release(ambient temperature land+40℃ marine+45℃)

Poerating cirremt pf ,agmetoc release(A)

1.0In(cold state)non-trip time(h)1.20In(heat state)trip time(h)1.50In(heat stater trip time(m)7.2In(cold state)trip time(s)
10≤In≤250≥2<2

≤4

≤8

4 < t≤1012ln+20%
250< In < 6306<t≤20


1. Application


AM1 series moulded case circuit breaker is one of products developed and manufactured by adopting international advanced technology. It is supplied with rated insulating voltage 500 and 800V and used for the circuit of AC 50/60Hz, rated operating voltage AC 400V (or below), rated operating current up to 1 600A for infrequently changing over and starting of the motors. The products conforms to IEC60947-2 standard.


2. Main Technical Specification


Type Rated RatedRatedRated  insul- ating volt- age(V)Rated operat- ing volt-age(V)Arcing-ove distance(mm)Ultimate short circuit breaking capacity (kA)Service short circuit breaking capacity(kA)Operation perform-anceUtiliza-tion cat-egory
LoadUnload
AM1-63L

(6),10,16,

20,25,32,40,50,63

3,4500V400V0251815008500A
AM1-63M800V05035
AM1-125L(10),16,20,25,32,40,50,63,80,100,1250(≤50)3522
AM1-125M0(≤50)5035
AM1-250L

100,125,160,

180,200,225

≤50352210007000
AM1-250M≤505035
AM1-400L

225,250,315,

350,400

≤50503510004000
AM1-400M≤1006542
AM1-630L

400

500

600

≤1005035
AM1-630M≤1006542
AM1-800M630,700,800≤1007550
AM1-1250M1000,1250≤100

100


150

6


80

AM1-1600M1600
≤100


Note: 6A without thermal protection

The N-pole of four-poles breaker is sited at the right side of the product has four types:

Type A: Without current trip-release on N pole which making all the time, not closing and opening with the other three poles.

Type B: Without 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 trip-release which making all the time not closing and opening with the other three poles.


3. Protection Characteristic


The 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).


Rated current of release (A)Thermodynamic release( ambient temperature land +40°C marine +45°C )Operating current of magnetic release (A)
1.05In(cold state) Inoperative time(h)1.30In(heat state) Operative time(h)
10≤In≤63≥1<110|n+20%
63< In≤100≥2<2
100< In≤800≥2<25ln+20% 10ln+20%


ated current of release(A)Thermodynamic release(ambient temperature land+40℃ marine+45℃)

Poerating cirremt pf ,agmetoc release(A)

1.0In(cold state)non-trip time(h)1.20In(heat state)trip time(h)1.50In(heat stater trip time(m)7.2In(cold state)trip time(s)
10≤In≤250≥2<2

≤4

≤8

4 < t≤1012ln+20%
250< In < 6306<t≤20