YFID-63 residual-current operated circuit breaker (without over-current protection)is applicable is AC 50Hz circuit with a tated voltage of two-pole 230V and four-pole 400V and a rated current of up to 63A,when electric shock occurs or the leakage current of the power grid exceeds the specified value,the residual current operated circuit breaker can rapidly cut off the malfunctioning power within an extremely short time to protect human body and electric equipment and it can be also used for non-frequent change-over startup of the circuit.
This product is suitable in industrial buildings ,commercial buildings, high-rise buildings and residential buildings.
This product complies with GB16916.1 and IEC61008-1 and is certified withCCC,SEMKO,CE,RCC,FIMKO, EAC and Ukraine certifications.

1.Q: Are you manufacturer?
    A: Yes, we are manufacturer. Our factory is in Wenzhou City, Zhejiang  Province.
 2.Q: Can I get guarantee of products?
    A: Yes, every product is 1 year quality warrantee under customer correct using the products.
 3.Q: Do you have any Certificate?
    A: Yes. Each of our unit has CCC certificate. All the electric parts with CE certificate, If you need any other Certificate, we can help you to get it.
 4.Q: How to buy it? What about the delivery?
    A: Please contact me by email or online, let me know your situation, I will give you professional solution.We have shipping agent can choosing the cheapest and fastest delivery. FOB,CIF, C&F or EXW are no problem for us.
 5.Q: How can I pay you?
    A: T/T, L/C is very well used.
 6.Q: What about the production?
    A: Produce time is 4~6weeks.
7.Q: Could you offer some spare parts?
    A: Yes, no problem.
 8.Q: What about the maintenance?
    A: All the goods past the test, maintenance is very easy.

1quick response in before sales period help you got order.
2.excellent service in production time let you know each step we made.
3.reliable quality solve you after sale headache.
4.long period quality warranty ensure you can buy without hesitate.
2.1, For transformer whose rated capacity is 500 KVA and below, the load loss value above the slash in the table is suitable for Dyn11 or Yzn11 connection groups, and that below the slash for YynO connection groups.
2.2, Transformers whose HV tapping range is ±2×2.5 may be provided, if need be.
2.3, Transformers whose LV is 0.69KV may be provided, if need be.
2.4, Users may choose other loss values as they need.
2.5, Due to product upgrading and changes to the external dimensions and products in the table, please refer to the external dimensions provided at the time of orderin