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Dual level liquid level switch. Suitable for water, sewage water and seawater tanks. Adjustable pumping range from 0.18 to 10m. IP33(Rainproof). Rating NO+NC 250V AC 1.5A (inductive load). Specific gravity 0.85 to 1.05.
Features
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Operates regardless of liquid resistivity. Not only in seawater and sewage water, The relay can also be used in liquids that do not conduct electricity (such as distilled water, oil(TBL12FC), ect).
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Control range can be set and changed by varying the length of the hanging rope.
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Allows remote installation of control devices and alarm devices as the relay is unaffected by external induction or static electricity between wires.
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Can be configured to operate as a pump-up or pump-down switch.
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