| Exceptionally long life.
 Smooth, trouble free operation. Use of bimetallic contact buttons having a thick layer
        of silver (Ag Cdo 10%) for longer life of switching cycles. Bakelite contact block made of
        superior electrical grade of phenol formaldehyde powder for very good electrical
        & mechanical properties. A wide range of differential pressure setting
        available between starting and stopping pressure.  Glossy, scratch resistant, anti-corrosive colour
        coating for the outer sheet metal casing for longer life & attractive appearance. Very rigorous electrical and mechanical tests for
        every switch in our well equipped factory. Slick, superior finish.
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