a. Form high strength axial magnetic field, and strong capability for breaking current as well as high reliability.
b. Integrated contact terminal, no slot on the surface of contact to the lead the arc, perfect surface geometrical shape, high electrical strength, outstanding mechanical strength and no deformation when we open or close the switch.
c. Little resistance in circuit Ir=1250A,R=9±1uΩ;Ir=3150A R=7±1uΩ.
d. Meet the user' s requirements of 100% full capacity breaking at the first time and rated electric parameters.
e. symmetrical electrical field, low chopping current, high reliability of breaking capacitor and inductance.

a. Special ceramic metallization format and advanced ceramic metallization technical guarantees the air tightness of products and high intensity of tension,that is, the minimum intensity of tension reaches 130Mpa.
b. Import the advanced metallization equipment to ensure the conformity and rate of finished products of ceramic metallization technical.
c. Improved inspection methods of ceramic and metallization strength ensures the metallization quality of ceramic shell being stable and reliable in the of integrated tube.