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Quick Details

  • Place of Origin: Zhejiang, China (Mainland)
  • Brand Name: HUYU
  • Model Number: HUM8
  • Type: Moulded Case
  • Poles Number: 3,4
  • material: moulded case
  • certificate: CE,ROHS, CB,IEC certificated

Packaging & Delivery

Packaging Details standard export carton
Delivery Time 15-30days

Specifications

1.HUYU electrical mccb circuit breaker is similar to MITSUBISHI type.
2.Quality guarantees 2 years

 

Application

This HUYU electrical moulded case mccb circuit breaker is mainly used in electric power system with rated frequency of AC 50Hz,rated voltage up to 690V and rated current up to 800A to distribute electric power and to protect the line and equipment from being damaged due to overload, short circuit and under voltage.  This moulded case mccb circuit breaker can also be used to control infrequent motor operation.
The protection specialty of the electronic tripper and the intelligent tripper is accurate and convenient. The intelligent tripper has serial communication interface that satisfies requirements of "4 remotes" of communication network.


Certificate
This electrical moulded case  mccb circuit breaker conforms to the standards of GB14048.2 and IEC947-2.

 

Normal working condition

1.Ambient air temperature ≤+40°C and >-5°C

2.Altitude ≤20 m

3.Air relative humidity is under 50% at +40°C , it permits upper relative humidity at lower temperature, the most humid month's lowest temperature does not exceed +25°C ,the month's average relative humidity does not exceed 90%.

4.Class of pollution:class 3.There are no gas and electric conduction dust which may explode, dipping and broken insulation.

5.The "1,3,5,N1"terminals connect with power supply, the "2,4,6,N2"terminals connect with load,cannot mixed.

6.The mccb circuit breaker's onstalling surface should upright with level,upright installing, the power supply terminal should at upside,load terminal should at underside, it also can be landscape orientation installing.

Type Designation

 

 Table 1

CodeTypeExplanation
AA typeN pole does not install over current release, and switch on all the time,not switch on and switch off together with other 3 poles.
BB typeN pole does not install over current release,
not switch on and switch off together with other 3 poles.

 

 Table 2

CodeTypeExplanation
1Time delay releaseHave protection characteristic of over current inverse time delay
2Instantaneous releaseNamely electromagnetic release has protection characteristic of over
current instantaneous operation
3Duplex releaseBoth of the functions mentioned above
4Electron type release
(M intelligent controller)
Current transformer and electronic apparatus instead with thermal
electromagnetic release, can protect characteristic parameter accuracy
5intelligent type release

(H type controller)
Have serial commucation interface, can comply with the request of
communication

 table 3

 

 IIIIIINote
Inm(A)CodeExplanationCodeExplanationCodeExplanation
63
100
25
0None0~2Auxiliary contact

group quantity
0~2Alarm contact

group quantity
 
1Shunt release0~10~1 
2Undervoltage release0~10~1 
4000None0~50~2II+III≤5
1Shunt release0~30~2II+III≤3
2Undervoltage release0~30~2II+III≤3
3Shunt release and
Undervoltage release
0~10~1II+III≤1
630
800
0None0~80~3II+III≤8
1Shunt release0~50~3II+III≤5
2Undervoltage release0~50~3II+III≤5
2Shunt release and
Undervoltage release
0~30~2II+III≤3


 

 

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