JVM1 Series Moulded Case Circuit Breaker

Short Description:

JVM1(CM1) Series Moulded Case Circuit Breaker

JVM1 series moulded case circuit breaker is one of products developed andmanufactured by adopting international advanced technology.It is supplied with rated insulating voltage 800V and used for circuit of A.C.50Hz, rated operating voltage AC 400V (or below),rated operating current up to 800A for infrequent changing over and starting of the motors. The products con-forms to IEC 60947-2 stamdard.

 

 

 


Product Detail

Product Tags

Specifications

Type

Rated current (A)

Pole num-ber

Rated insui-ating volt-age (V)

Rated operat- ingvolt- age(V)

Arcin- over distance (mm)

ultimate short circuit breaking capacity(KA)

Servies short circuit breaking capacity(KA)

JVM1-63L

(6),10,16,

22,25,32,

40,50,63

3,4

500V

400V

0

25

18

JVM1-60M

0

50

35

JVM1-100L

(10), 16, 20, 25, 32, 40, 50, 63, 80, 100

    800V

0(≤50)

35

22

JVM1-100M

0(≤50)

50

35

JVM1-100H

0(≤50)

85

50

JVM1-250L

100, 125,

160, 180,

200, 225,

250

≤50

35

22

JVM1-250M

≤50

50

35

JVM1-250H

≤50

85

50

JVM1-400L

225,250,

315,350,

400

≤50

50

35

JVM1-400M

≤100

65

42

JVM1-630L

400

500

630

≤100

50

35

JVM1-630M

≤100

65

42

JVM1-630H

≤100

100

65

JVM1-800M

630,700,

800

≤100

75

50

JVM1-800H

≤100

100

65

 

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 circuit breaker) and table2 (motor protection circuit breaker).

Table2

Rated current of release(A)

Thermodynamic release(ambient temp)

Operational current of magnetic release(A)

1.05ln (cold state) Inoperative time(h)

1.30ln (heat state) operative time(h)

10≤ln≤63

≥1

<1

10ln±20%

63 <ln≤100

≥2

<2

100 <ln≤ 800

≥2

<2

5ln±20%

10ln±20%

 

Table3

Rated current of release(A)

Thermodynamic release(ambient temp)

Operational current of magnetic releaes(A)

L0ln(cold state) Inoperative time(h)

1.2ln(cold state) Inoperative time(h)

1.5ln(heat state) operative time(h)

7.2ln(cold state) operative time(h)

10≤ In≤225

≥2

<2

≤4min

4s<Tp≤10s

12ln±20%

225< In≤630

≤8min

6s<Tp≤20s


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