Home > Term: Normally closed contacts
Normally closed contacts
A set of contacts on a relay or switch that is closed when the relay is de-energized or the switch is de-activated; they are open when the relay is energised or the switch is activated.
- Part of Speech: noun
- Industry/Domain: Automation
- Category: Industrial automation
- Company: Rockwell Automation
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- Harry8L
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(London, United Kingdom)