{"product_id":"mini-float-switch-dc-220v-water-level-sensor-for-fish-tanks","title":"Mini Float Switch DC 220V Water Level Sensor for Fish Tanks","description":"\u003ch2\u003eBS Mini Float Switch – Right Angle Liquid Water Level Sensor\u003c\/h2\u003e\n\u003cp\u003eKeep your fish tank, sump, or reservoir perfectly managed with the \u003cstrong\u003eBS Mini Float Switch\u003c\/strong\u003e. This compact, right-angle liquid level sensor automatically detects water levels and triggers connected devices — pumps, alarms, or valves — the moment water rises or drops to your set point. Made from durable polymer and designed for versatile mounting, it's an ideal solution for aquariums, hydroponics, water storage tanks, and industrial fluid control.\u003c\/p\u003e\n\n\u003cp\u003e\u003cstrong\u003eMade in Mainland China.\u003c\/strong\u003e\u003c\/p\u003e\n\n\u003ch3\u003eKey Features\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003e\n\u003cstrong\u003eWide Voltage Compatibility:\u003c\/strong\u003e Supports DC and up to 220V AC systems for broad application flexibility.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eRight Angle Design:\u003c\/strong\u003e Space-saving right-angle float arm fits neatly inside tight tank walls or narrow reservoirs.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eSwitching Transducer Output:\u003c\/strong\u003e Delivers a clean on\/off signal — easy to integrate with pumps, alarms, or controllers.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eInductance Sensor Technology:\u003c\/strong\u003e Reliable position detection with no moving contacts to corrode or wear out quickly.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003ePolymer Construction:\u003c\/strong\u003e Lightweight yet durable material resists moisture and chemical exposure common in aquatic environments.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eMini Compact Size:\u003c\/strong\u003e Low-profile form factor suits fish tanks, water dispensers, humidifiers, and more.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eNo High-Concern Chemicals:\u003c\/strong\u003e Declared free of restricted substances for safer use around aquatic life.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eSpecifications\u003c\/h3\u003e\n\u003ctable style=\"width:100%; border-collapse:collapse;\"\u003e\n  \u003ctr\u003e\n\u003ctd style=\"padding:6px; border:1px solid #ddd;\"\u003e\u003cstrong\u003eMaterial\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"padding:6px; border:1px solid #ddd;\"\u003ePolymer\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003ctr\u003e\n\u003ctd style=\"padding:6px; border:1px solid #ddd;\"\u003e\u003cstrong\u003eOperating Voltage\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"padding:6px; border:1px solid #ddd;\"\u003eDC \/ Up to 220V AC\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003ctr\u003e\n\u003ctd style=\"padding:6px; border:1px solid #ddd;\"\u003e\u003cstrong\u003eOutput Type\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"padding:6px; border:1px solid #ddd;\"\u003eSwitching Transducer\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003ctr\u003e\n\u003ctd style=\"padding:6px; border:1px solid #ddd;\"\u003e\u003cstrong\u003eSensor Type\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"padding:6px; border:1px solid #ddd;\"\u003eInductance \/ Position Sensor\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003ctr\u003e\n\u003ctd style=\"padding:6px; border:1px solid #ddd;\"\u003e\u003cstrong\u003eFloat Orientation\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"padding:6px; border:1px solid #ddd;\"\u003eRight Angle\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003ctr\u003e\n\u003ctd style=\"padding:6px; border:1px solid #ddd;\"\u003e\u003cstrong\u003eHigh-Concern Chemicals\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"padding:6px; border:1px solid #ddd;\"\u003eNone\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003ctr\u003e\n\u003ctd style=\"padding:6px; border:1px solid #ddd;\"\u003e\u003cstrong\u003eOrigin\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"padding:6px; border:1px solid #ddd;\"\u003eMainland China\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/table\u003e\n\n\u003ch3\u003eCommon Applications\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003eFish tanks \u0026amp; aquariums – auto top-off or overflow protection\u003c\/li\u003e\n  \u003cli\u003eHydroponics \u0026amp; plant watering systems\u003c\/li\u003e\n  \u003cli\u003eWater storage tanks \u0026amp; sumps\u003c\/li\u003e\n  \u003cli\u003eHumidifiers \u0026amp; water dispensers\u003c\/li\u003e\n  \u003cli\u003eIndustrial fluid monitoring \u0026amp; control panels\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eRelated Products You May Like\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003e\u003ca href=\"\/products\/dog-cat-cooling-mat-ice-silk-pet-bed\"\u003eDog \u0026amp; Cat Cooling Mat – Ice Silk Pet Bed S to 2XL\u003c\/a\u003e\u003c\/li\u003e\n  \u003cli\u003e\u003ca href=\"\/products\/electromagnetic-induction-tester-coil-motherboard-fault-detector\"\u003eElectromagnetic Induction Tester – Coil \u0026amp; Circuit Fault Detector\u003c\/a\u003e\u003c\/li\u003e\n  \u003cli\u003e\u003ca href=\"\/products\/air-compressor-pressure-gauge-0-10-0-12-0-25-bar-hydraulic-diy\"\u003eAir Compressor Pressure Gauge 0-10\/0-12\/0-25 Bar | DIY Tool\u003c\/a\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003eLearn more: \u003ca href=\"https:\/\/www.osha.gov\/hand-power-tools\" target=\"_blank\" rel=\"noopener\"\u003eOSHA guidance on hand and power tools\u003c\/a\u003e\u003c\/p\u003e\n\u003ch3\u003eFrequently Asked Questions\u003c\/h3\u003e\n\u003ch4\u003eQ: What is a mini float switch and how does it work?\u003c\/h4\u003e\n\u003cp\u003eA: A mini float switch is a compact liquid level sensor with a buoyant arm that rises and falls with the water surface. When the water reaches a set level, the float arm triggers the internal switching transducer to open or close an electrical circuit — automatically activating or deactivating a connected pump, alarm, or valve without any manual intervention.\u003c\/p\u003e\n\n\u003ch4\u003eQ: Is this float switch safe to use in a fish tank with live fish?\u003c\/h4\u003e\n\u003cp\u003eA: Yes. The BS Mini Float Switch is made from polymer and declared free of high-concern chemicals, making it suitable for use in aquariums and fish tanks. Always ensure wiring connections are properly waterproofed and that voltage ratings match your setup before installation.\u003c\/p\u003e\n\n\u003ch4\u003eQ: What voltage does this water level sensor support?\u003c\/h4\u003e\n\u003cp\u003eA: This mini float switch is compatible with DC circuits and supports up to 220V AC, making it suitable for a wide range of home, aquarium, and light industrial applications. Always verify the voltage of your specific system and connect accordingly to ensure safe and reliable operation.\u003c\/p\u003e\n\n\u003ch4\u003eQ: What does \"right angle\" mean for a float switch?\u003c\/h4\u003e\n\u003cp\u003eA: A right-angle float switch has its float arm positioned perpendicular (at a 90° angle) to the body of the switch. This design allows it to be mounted on the side wall of a tank or reservoir while the float moves up and down with the water level — ideal for compact tanks like aquariums where space is limited.\u003c\/p\u003e\n\u003cscript type=\"application\/ld+json\"\u003e{\"@context\": \"https:\/\/schema.org\", \"@type\": \"FAQPage\", \"mainEntity\": [{\"@type\": \"Question\", \"name\": \"What is a mini float switch and how does it work?\", \"acceptedAnswer\": {\"@type\": \"Answer\", \"text\": \"A mini float switch is a compact liquid level sensor with a buoyant arm that rises and falls with the water surface. 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