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electrical:12v:thermal_switch [2025/07/08 18:57] frater_secessus created first draft |
electrical:12v:thermal_switch [2025/07/08 19:01] (current) frater_secessus [normally closed vs normally open] |
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===== specs ===== | ===== specs ===== | ||
- | [[https:// | + | [[https:// |
The switch used below to illustrate specs is: [[https:// | The switch used below to illustrate specs is: [[https:// | ||
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A thermal switch can either make (close) or break (open) a circuit when the temperature setpoint is reached. | A thermal switch can either make (close) or break (open) a circuit when the temperature setpoint is reached. | ||
- | * a **Normally Closed** (NC) switch is closed (circuit is made) until the set temp is reached. | + | * a **Normally Closed** (NC) switch is closed (circuit is made) until the set temp is reached. |
- | * a **Normally Open** (NO) switch is open (circuit is broken) until the set temp is reached. | + | * a **Normally Open** (NO) switch is open (circuit is broken) until the set temp is reached. |
Our example switch is normally open; the listing says both '' | Our example switch is normally open; the listing says both '' | ||
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- | {{ https:// | + | |