30mm Rugged Push Buttons, Contact Blocks & Legend Plates30mm Rugged Push Buttons, Selector Switches, Contact Blocks and Legend Plates
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- Epoxy-Coated Metal Operators
- Corrosion Resistant
- Integral Ground Screw Terminal on Operators
- Self-Cleaning Silver Contact Blocks
- FDA Approved for Sanitary Chemical Resistance Requirements
E34SP13 Model OptionsView all models
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The contact blocks feature enclosed silver contacts with pointed 'reliability nibs' for reliable performance from logic level up to 600V. To ensure reliable switching, nibs bite through oxide which can form on silver contacts, eliminating the need for expensive logic level blocks for most applications. The E34 Series pushbutton operators offer front of panel drainage via holes in the operator bushing. Hidden from view by the mounting nut, these holes prevent buildup of liquid inside the operator, which can prevent operation in freezing environments. The holes also provide a route for escaping liquid in high pressure washdowns, effectively relieving pressure from the internal diaphragm seal, ensuring reliable sealing in applications even beyond NEMA 4.