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ESM8 MCCB

Application

      ESM8 MCCB is supplied with rated insulating voltage 690V and used for circuit of AC 50/60Hz, rated operating voltage AC 415V or below, rated operating current from 16Ato 250A.It is designed for protection of electric circuit, motors, transforms and other equipments. The product conforms to GB­14048.4,IEC60947-2& VDE0660 standard.

 

Specifications

Type

Rated Current
(A)

Pole No.

Rated
Insulating
Voltage
(V)

Rated Operating
Voltage (V)

Arcing-Over
Distance
(mm)

Utimate Short
Circuit Breaking
capacity
(KA)

Servies Short
Circuit Breaking
Capacity
(KA)

Operation performance

ON

OFF

ESM8-160D

16  20  25
3240  50
63  80  100
125  160

3P

4P

690

380V/415V

100

25

25

4500

10000

ESM8-160N

30

30

ESM8-160H

70

70

ESM8-160L

100

100

ESM8-250N

200  255 
250

35

35

4000

8000

ESM8-250H

70

70

ESM8-250L

100

100

 

Trip Charactristic

Rate Current
of Release
(A)

Thermodynamic Release(ambient temp+40°C)

Operational Current of Magnetic Release(A)

1.05In(cold state) Operative Time(h)

1.05In(heat state) Operative Time(h)

In≤63

≥1

1

10In±20%

63<In≤100

≥2

2

10In±20%

100<In≤630

≥2

2

5-10In±20%

 

Rate Current
of Release
(A)

Thermodynamic Release(ambient temp  Land+40
                                                                                      marine+40
)

Operational Current of Magnetic Release(A)

1.0In
(cold state)
Operative
Time(h)

1.201n
(heat state)
Operative
Time(h)

1.501n
(heat state)
Operative
Time(h)

7.21n
(cold state)
Operative
Time(h)

12.5≤In≤400

≥2

2

≤4min

2STP≤10S

12In±20%

 


Published:2013-10-23   【Print this page】 【Close the window】【products】  Browse:271 Secondary

 

 

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