유통업체에서 제공한 Otto Engineering P3-90009에 대한 설명입니다.
P3-90009 special sealed OTTO Controls P3 pushbutton switch. SPNC (single pole normally closed), shrouded, black button, 2.5 lb op force. The P3 is the commercial version of the P1 Pushbutton switch, offering vastly improved life under extreme conditions found in some industrial environments. The pushbutton is sealed by a silicone boot operating on our patented “rolling sleeve,” providing longer life and smoother operation over a wide temperature range. Epoxy protects the contacts and terminals from hostile environments and solder flux.