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

Mould Case Circuit Breaker, Circuit Breaker, Breaker manufacturer / supplier in China, offering Cm1-630L 400A to 630A MCCB Circuit Breaker Cm1 Moulded Case Circuit Breaker, 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 MM1 Cm1-630L 400A to 630A MCCB Circuit Breaker Cm1 Moulded Case Circuit Breaker

Cm1-630L 400A to 630A MCCB Circuit Breaker Cm1 Moulded Case Circuit Breaker

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: 100000/Per Year
Payment Terms: L/C, T/T, Western Union

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Basic Info
  • Model NO.: MM1
  • Operation: Manual Type
  • Arc-extinguishing Medium: Oil-immersed Type
  • Structure: MCCB
  • Type: Circuit Breaker
  • Certification: ISO9001-2000, CE, CB, CCC
  • Specification: KEMA, CE
  • 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
  MM1L ELCB/RCCB rated insulation voltage AC 800V is suitbale for using in the circuit pf AC 50HZ/60HZ,rated voltage 400V,rated working current from 16A to 630A to distribute electric power and to protect the line and the equipment from being damaged due to overload,short current and under-voltage.

  MM1L ELCB/RCCB with theadvamtages of the small volume.high breaking capacity,short over-arcing, strong anti-vibration and so on.
Frame Current Inm(A)100225400630
Rated current In(A)10,16,20
Pole number343444
Rated insulating voltage Ui(V)AC800
Rated working voltage Ue(V)AC400
Rated impulse withstand voltage Uimp(V)8000800080008000
Grade of breaking capacityMHMMHMMM
limit short-circuit breaking capacity Icu(KA)AC400V5085505085506565
Operating short-circuit breaking capacity Ics(KA)
Operational performanceenergized1500100010001000

MM1 MCCB comply with the following standards:

1.IEC 947-1 and GB/T 14048.1 General

2.IEC 947-2 and GB/T 14048.2 Low voltage breakers.

3.Appendix B earth leakage circuit breakers.

4.IEC 947-4 and GB/T 14048.4 Contactor and motor starters.

5.IEC 947-5.1 and GB/T 14048.5 Electrical equipment of electromechanical control circuit.


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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