Gold Member Since 2017
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Zhejiang MKM Electric Co., Ltd.

Circuit Breaker, MCCB, Electrical Breaker manufacturer / supplier in China, offering Hot Moulded Case Circuit Breaker Electrical, Supply Adjustable 3 Pole /4 Pole MCCB 25A/63A/100A/160A/250A/400A/630A/800A/1000A/1250A/1600A Ns /Nsx Circuit Breaker, Moulded Case Circuit Breaker MCCB and so on.

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Supplier Homepage Product MCCB MM4 Hot Moulded Case Circuit Breaker Electrical

Hot Moulded Case Circuit Breaker Electrical

FOB Price: US $1-100 / Piece
Min. Order: 1 Piece
Min. Order FOB Price
1 Piece US $1-100/ Piece
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Port: Ningbo, China
Production Capacity: 50.000PCS/Year
Payment Terms: L/C, T/T, Western Union

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Basic Info
  • Model NO.: MM4
  • Operation: Electric Type
  • Arc-extinguishing Medium: Oil-immersed Type
  • Structure: MCCB
  • Type: Circuit Breaker
  • Certification: ISO9001-2000, CE, CB, CCC
  • Specification: 125, 160, 250, . 400.630.800.1250.1600A
  • HS Code: 8536300000
  • Breaking Capacity: Low Voltage Circuit Breakers
  • Speed: Normal Type Circuit Breaker
  • Installation: Fixed
  • Poles Number: 3
  • Function: Conventional Circuit Breaker, Circuit-Breaker Failure Protection, Overcurrent Protection
  • Trademark: MARKARI
  • Origin: China
Product Description
  MM4 intelligent type MCCB is suitbale for using in the circuit of AC 50HZ or 60HZ,please make remarks when ordering,rated insulating voltage 750V, rated working voltage below 690V, and rated current is 16A to 630A for distributing electric energy, and infrequently OFF/ON under normal condition.

  Theintelligent MCCB,which the rated frame rank current is 800A and below,also can be used for infrequently switching and strating of squirrel cage motor and for protecting motor from over-load,short circuit and under-voltage.

Main technical parameter:
Main technical parameter(comply with GB14048.2/IEC60947-2)
Rated Current(A)100160250400630
Number Pole3,43,43,43,43,4
Rated Insualtion
voltage V
Rated working
voltage V
Testing life
(No load/0.5In load)
Rated impulse
withstand voltage KV
Ultimate short circuit
breaking capacity ICU
Service short circuit
breaking capacity ICS
Usage sortAAAAA
Protect Ir form over-current40-10064-160100-250160-400250-630
Instantaneous times2-102-102-102-102-10
Three phrase
unbalance protection
Aim at the protection of motor and depend on consumer's advises

Working Conditions:

1.Not over altitude 2000m.

2.Amibient temperature is between -25ºC and +40ºC.

3.Working in the medium which not any explosive,not enough dielectric to corrode metal,no gas to damage insulation and electric conduction dust.

4.Working in the place would not be invaded by rain and snow.

5.Pollution degree III.

6.Mounting type III.

1. What's your trading methods?

We accept kinds of trading methods,e.g.FOB,CIF.

2.What's your Payment terms?

We accept kinds of payment terms,e.g.TT,L/C,O/A.


3. What's the standard of package?

For the small capacity, it use carton, but for big capacity, we should use strong wooden case for protection.

4. what kind of material of transformer?

we have two types, one 85% silver contacts and the other is 50% silver contacts.It depends on your requirment.

5.Could you offer Form A or C/O ?

It totally not a problem. We can prepare relative documents to foreign affairs office or other office to apply for this certificate.

6.Would you accept to use our LOGO ?

If you have good quantity,it absolute no problem to do OEM.

7.We want to know month capacity.

It depends on which model.For example for relay type small capacity , month capacity can reach near 20000pcs.



Any questions please feel free to contact us, 7*24 hours for you !!!

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