2. Main Materials: CuW
3. General Description:
CuW contact materials have excellent resistsnce against arc erosion and anti-welding properties up to very high curret.CuW contacts are produced in a great variety of shapes by means of powder merallurgy(pressing/sintering or infiltration).The tungsten content is 50%-80%.
4. Application Scope
CuW contacts are mainly used in medium and high voltage switchgears. Typical applications are in high voltage circuit breakers, load switches,transformer switches tap changers and low voltage arcing contacts.
In addition, CuW materials are widely used as electrodes, primarily for welding.
5. Material Properties
| | 1#CuW | 2#CuW | 4#CuW | | Cu content (wt.%) | 50±2 | 40±2 | 30±2 | | Density (g/cm3) | ≥11.85 | ≥12.75 | ≥13.80 | | Elec.Resistivity(μΩ·cm) | ≤3.20 | ≤3.70 | ≤4.10 | | Hardness HV | ≥115 | ≥140 | ≥175 | | Manufacturing process | Infiltration | | |
6. Product Image
7. Relevant series'Applications
Their applications as follows:
A) AgW series
All kinds of omnipotence breakers, plastic breakers, heavy charge AC/DC contactorother switches.
B) CuW series
Widely used in high voltage breaker.
C) AgWCAgWCC series
Mainly used in high electricity charge switchgear such as breaker, creepage switch. Generally they are used with AgNi ,AgWC together.
D) AgNi series
Widely used in DC/AC relay, designation switch, contactor, light switch, thermal controller, timer of washer etc.
E) AgNiC series
Widely used in omnipotence breakers such as DW45 intelligence coupling with AgW.
F) AgC series
Mainly used in protective switch such as miniature breaker, creepage protective switch or motor protective switch with coupling contact in AgW.
G) Silver oxidized metal series
Mainly used in wasser mengen in relay,contactor, small and medium-sized capacity and DC low voltage circuit breaker switch powder protection switch and leakage protection switch,etc.
8. Packing and Delivery
Inside:Vaccum plastic bag
Outside:Carton according to customers’ request
Delivery: within 15 days
