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Quick Details

  • Place of Origin: Zhejiang, China (Mainland)
  • Brand Name: Mallton
  • Model Number: MT57-31
  • Type: Moulded Case
  • Poles Number: 3
  • Rated frequence: 50/60HZ
  • Mechanical life: 8500 times
  • Deposit: 30% deposit
  • Certificate: CE,BV
  • Guarantee period: 1 years
  • OEM: Available
  • Quality: Stable and reliable

Packaging & Delivery

Packaging Details export package
Delivery Time within 2 weeks

MT57 Series MT57-31 3 Poles Moulded Case Circuit Breaker MCCB







    MT57 series Moulded Case Circuit Breaker is applicable circuit of AC 50/60Hz, rated insulation
voltage 690V, rated current 16-250A, for distribute energy of electricity & infrequent making
& breaking circuit in normal conditions, protecting when circuit is overloaded, short circuit. The
products conforms to IEC60947-2 standard.




Type MT57-31 MT57-35 MT57-39
Poles number 333
Rated current In(A) 16, 20, 32, 40, 50,
63, 80, 100
16, 20, 32, 40, 50,
63, 80,100, 160,
200, 250
Utilisation category AAA
Rated ultimate short-circuit breaking capacity Icu(kA) at 415V 601540
Rated short-circuit service breaking capacity
Ics(%Icu) at 415V















Our Certificates







Q 1.How about your experience?

A.We have our own professional factory and R&D department & more than 15 years producing experience.

Q 2. What's your advandge ? 

A. We have mash melders,injection molding machines and punchers,with these,we can make by ourselves from the inside parts to outside.

It greatly increases the efficiency and saves the cost.

Q 3. How's the delivery time ? 

A. usually it will take about 15-30 days for production

Q 4. Tell me the standard of package? 

A. For inner box and master carton are made as per international standards,and we can make special design for you if need.

Also if necessary, will be packed in pallet to avoid any damage.

Q 5. What kind of material of circuit breaker? 

A. We have two types, one copper coil with silver point and the other is brass coil with copper 

point. It depends on your requirement. In fact, those two have no difference if normal work well. 

Only except the electrical life. Copper and silver is better and also higer price.

Q 6.Will be any wanrranty for your item ? 

A. We offer one year warranty for our products. Please feel assured.

Q 7 .Could you offer Form A or C/O ?   

A. It totally not a problem. We can prepare relative documents to foreign affairs office or 

other office to apply for this certificate. 

Q 8.Would you accept to use our logo ? 

A.We offer OEM ODM customization services if quantity is suitable.

Q 9.We want to know month capacity.   

A. 1000pcs/month 

Q10 .Where is your market? 

A. Our produce and design are sold well in Southeast Asia , Middle East and European, also are trusted and praised deeply by domestic and foreign users.

We hope you can join us and make mutural benifit from our cooperation.



More detail informations, please feel free to contact us!



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