Reed Relays and
Electronics India Limited
Manufacturer of Reed Switches, Reed Sensors and Reed-based products
Reed Relays and Electronics India Limited Incorporated in 1971

Form B

Normally closed

A Form B or normally closed type of reed contact stays in a
“closed” state until actuated with an external magnet. Such devices are Polarity Sensitive and need to be actuated with a magnet having opposite polarity. Form B devices are manufactured with an inbuilt biasing magnet.


Synonyms
Normally Closed
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