Water Level Float Switch – Liquid Sensor for Tanks & Aquariums
Water Level Float Switch – Liquid Sensor for Tanks & Aquariums
Water Level Float Switch – Smart Liquid Sensing for Any Tank
Keep your tanks, aquariums, and reservoirs under control with this compact and reliable Water Level Float Switch. Designed to detect liquid levels automatically, this mercury-free sensor can trigger pumps, alarms, indicators, or other devices the moment water drops or rises to a set point — giving you hands-free monitoring without the hassle.
Made in Mainland China.
Why You'll Love It
- Versatile Applications: Perfect for hydroponics systems, freshwater and saltwater tanks, pet water bowls, fish tanks, aquarium filtration, heating systems, gardening setups, pool monitoring, and DIY electronics projects.
- Mercury-Free Design: Safe and environmentally responsible — no hazardous materials inside.
- Compact & Lightweight: Measures just 4 cm × 1.8 cm, so it fits discreetly inside virtually any tank or reservoir.
- Wide Voltage Compatibility: Supports switching voltages from 100V DC up to 220V AC, making it compatible with a broad range of systems.
- Easy Integration: Comes with an approx. 34.5 cm cable so you can wire it quickly into pumps, relays, or control boards.
- Durable Plastic Housing: Lightweight yet sturdy — rated for temperatures from -20°C to +80°C.
Specifications
- Material: Plastic
- Maximum Load: 50 W
- Max Switching Voltage: 220V AC
- Minimum Voltage: 100V DC
- Maximum Switching Current: 0.5 A
- Max Load Current: 1.0 A
- Temperature Rating: -20°C to +80°C
- Cable Length: Approx. 34.5 cm
- Size: Approx. 4 cm × 1.8 cm
- Mercury-Free: Yes
Package Includes
- 1 × Water Level Float Switch
Safety & Standards
This switch operates at low voltage (below 50V AC or 75V DC rated range), aligning with standard EU LVD (Low Voltage Directive) guidelines. For general guidance on electrical safety in home and hobby applications, refer to the U.S. Consumer Product Safety Commission – Electrical Safety Resources.
Frequently Asked Questions
Q: What devices can this water level float switch control?
A: This float switch can be wired to activate or deactivate a wide range of devices including water pumps, indicator lights, alarms, relays, and other low-voltage control systems. It's ideal for aquariums, hydroponics, pet bowls, filtration systems, and DIY projects.
Q: Is this water level sensor safe to use in fish tanks and aquariums?
A: Yes! The switch is completely mercury-free, making it safe for use in freshwater tanks, saltwater tanks, and aquariums. Its plastic housing is water-resistant and durable for continuous submersion in appropriate liquid environments.
Q: What voltage systems is this float switch compatible with?
A: The switch supports a switching voltage range from 100V DC up to 220V AC, with a maximum switching current of 0.5 A and a maximum load current of 1.0 A. Always ensure your wiring and connected devices fall within these rated limits for safe operation.
Q: How long is the cable on the float switch?
A: The included cable is approximately 34.5 cm (about 13.6 inches) long, providing enough length for most standard tank installations. If you need extra reach, an extension wire can be added during installation.