Moulded Case Circuit Breaker

• OUTLINE

This breaker's rated in sulation volage is 800V,is applied to distribution network circuit of AC 50HZ,rated working voltage up to 400V,rated working current up to 800A,which is  for  electrioenergy  distribution,circuit   protection,protecting  power  supply  facility  from destroying by the foult of overloading,short circuit and undervoltage,meanwhile it is also  used for proteotion from unfrequent starting,overloading,short circuit and unervdtage of  the eletromotor

This breaker has sueh charaoteristics of company volume,high short circuit interrupting capacty,shortflacharoing and etc which is a ideal product for users,This breaker can be installed vertically(upright),and also horizontally.

This breaker comply with standard IEC60947-2、GB14048.2.

• SUITABHE  WORKING FNCIRONMENT AND MSTAIIATION CONDITION

1.Altitude less than 2000m

2.Ambient medium temperature is  rfom-50℃to +40℃(+45 Cfor shipping product)

3.Can withstand moist cuir

4.Can with stand mold

5.Can with stand nuclear radiaton

6.Max inclination is 22.5°

7.It can still work reliably if the product subjects to the normal vibration from ships 8.It can still work reliably if the product subjects to the earthquake(4g)

9.Put in the place where is no explosion dangerand conductive dust,cant corrode metel and destroy the insnlaton sleet.

10.Put in the place where is no sleet.

• CIRCUIT BRFAKFRS CODES ANDIMPIICATIONS

Note:

1.According to the rated limit short circuit breaking capacity,it can be divided into L-type (standard type),M-type (relatively high fault type)and H-type (high fault type).

2.No code for direct operation of the handle:P for electric operation;Turning the handle is Z.

3.No code for distribution circuit breaker:the protection motor is represented by 2.

4.According to the number of product poles,there are three poles and four poles.In quadrupole products,there are four types of neutral pole (N pole):

Type A:the over-current tripper is not installed in N,and the N poleis always connected,not separated with the other three poles.

Type B:the over-current tripper is not installed in N,and the N poleis divided with other three poles (the N poleis closed first and then divided).

Type C:over-current tripper is installed on the N pole,and the N poleis divided with other three poles (the N poleis closed first and then divided).

Type D:over-current tripper is installed on the N pole,and the N poleis always connected,not separated with other three poles.