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24 lis 2017 · What does it mean in relays or reed switches when the contacts are listed as Form A, Form B or Form C? This is a short hand way of describing contact configuration. A “Form A” would mean the contacts are normally open …
Bright Toward offers a wide range of Form A Normally Open Relays, from Optically-coupled MOSFET Relays, Reed Relays, Multi-Channel Reed Relays to our six channel MEMS Switch. To search for Form A normally open relays in our fleet, please select your desired "Contact Form" in "multiple search."
20 sty 2020 · Relay and switch contact arrangements are often given as "SPST-NO" (Single Pole, Single Throw, Normally Open) for a single Form A contact, or "DPDT" (Double pole, Double Throw) for two form C contacts.
Signal Relay: 1 Form C, 1 CO Contacts. Slim line, IMC signal relay with high mechanical shock resistance. 4A swiching current with bifurcated contacts.
For example, an SPST-NO configuration is called '1 Form A' (or 1 Form H in China,), an SPST-NC configuration is '1 Form B' (1 Form D in China), and an SPDT configuration becomes '1 Form C' (1 Form Z in China). Further variations can occur when there are two relays in a single package.
When the relay is energized, the opposite occurs—the normally closed contacts open, and the normally open contacts close. Form C relays are often used to switch between two circuits or control different operations simultaneously, such as in automation systems or multipurpose control applications.
Access specifications, certifications, check availability and order parts below. Find 1-Form-C Series Combination NO and NC part specifications and more from the Littelfuse OptoMOS Relays selection of Solid State Relays.
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