A complete line of industrial rotary switches that are available with multiple output technologies and purpose-built handles.
Knowledge Base
Specifications & service info
Glossary of Terms
Learn joystick terminology
How-To & Service Videos
Common service procedures
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Learn about J.R. Merritt's Warranty
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Select a letter below to find a term that is used on this website that you may not be familiar with.
D
Stands for Double Pole Double Throw. A contact with 6 terminals. The electrical content is equal to two SPDT contacts.
