MCB Silver Electrical Contacts

Product Description

MCB Silver electrical Contacts
INT factory supply for Relay switch electrical contacts, more than 12 years manufacture experience, quality certificate available. Attained ISO9001-2015, work on OEM and ODM projects..



1. Introduction of the electrical contacts
Electrical contact is also called a contact tip, point, button or terminals. It is an electrical circuit component found in electrical switches, relays and breakers.
The electrical contacts may control the power directly or indirectly, switching electrical power through a relay or the supply of natural gas or fuel oil through an electrically operated valve.



2. Application of the electrical contacts
Electrical contact mainly used in various of switches, relays, contactors, circuit breakers, etc.


 

3. Main Materials for electrical contact

Main face Materials: Ag, AgNi, AgCdO, AgW, AgC. AgSnO₂, AgSnO₂ln₂O_3, AgZnO,
Main base materials: Cu, CuNi
 

4. Specification of the electrical contacts

Dimensions can be customized

Contact rivet dimension and tolerance
Item	Head Diameter D(mm)	Head Thickness T(mm)	Layer Thickness S(mm)	Shank Diameter d(mm)	Shank Length L(mm)	Sphere Radian  R(mm)	Mold Ratio θ
Specification	2.5	0.6-1	0.3-0.4	1.2-1.5	1-2	4-6	9
	3	0.8-1.2	0.3-0.5	1.5		6-8
	3.5			1.5-2.0	1-3
	4	1.0-1.5		2		8-10
	4.5			2.0-2.5
	5	1.0-2.0	0.4-0.6	2.5		10-15
	5.5			2.5-3.0
	6			3		15-20
	6.5	1.2-2.0	0.5-0.7	3.0-3.5
	7			3.5		20-25
	8			4
Tolerance	±0.1	±0.05	±0.05	±0.05	±0.15	±0.2	±2

 

5.Product Types of the electrical contacts

6. Manufacture plant of electrical contacts



7. Test equipments and Mill certificate for electrical contacts







8. Packing and shipping for Electrical contacts
  Packing:
 First put 500-5000 pcs into small plastic bags or vacuum plastic bags, then in separated small carton box, at last Into hard cardboard box.



Shipping:
We will choose the best way according to customer's requests.
1. By Air, to the indicated airport.
2. By Express (FedEx, UPS, DHL, TNT, EMS), to the indicated address.
2. By Sea, to the indicated sea port.




9. FAQ
1. Do you have ISO certificate?
Yes, we obtained ISO9001

2. How long is your delivery time for electrical contacts?
15-25 days depend on the raw material condition

3. Do you make parts according to our design?
 Yes, we always do as per customers drawings or Technical documents

4. Can you help us to choose suitable material?
  Yes, we can recommend the most suitable material according to your application.

5. Do you provide sample? Free or charge?
Yes, if the sample in stock available, free of charge, if not, need to charge some mfg cost.