Float Switch Sensor is a simple yet highly reliable device used for liquid level detection and control in a wide range of domestic, commercial, and industrial applications. Designed to automatically monitor liquid levels, this sensor helps prevent overflow, dry running of pumps, and system failures, ensuring safe and efficient operation. Its rugged construction, high sensitivity, and ease of installation make it an essential component for water management and automation systems.
Whether used in water tanks, sumps, reservoirs, coolant systems, or industrial process tanks, the Float Switch Sensor delivers consistent performance even in harsh environments. It operates on a mechanical principle, eliminating the need for complex electronics, which enhances reliability and reduces maintenance requirements.
Key Features of Float Switch Sensor
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Accurate Liquid Level Detection
Detects high or low liquid levels with precision, enabling effective control of pumps, alarms, and valves. -
Simple & Reliable Operation
Mechanical switching action ensures dependable performance without requiring external signal conditioning. -
Normally Open / Normally Closed Configuration
Can be configured as NO or NC by changing the float orientation, offering flexibility for different control requirements. -
Wide Liquid Compatibility
Suitable for water, oil, fuel, coolant, and other non-corrosive liquids. -
Durable & Corrosion-Resistant Housing
Made from high-quality plastic or stainless steel for long service life in demanding environments. -
Easy Installation & Maintenance
Simple mounting options allow quick installation in tanks or containers with minimal tools. -
Low Power Consumption
Ideal for battery-powered and low-voltage control systems.
Technical Specifications – Float Switch Sensor
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Sensor Type: Mechanical Float Switch
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Switching Method: Reed switch (magnetic)
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Contact Type: Normally Open (NO) / Normally Closed (NC)
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Rated Voltage: 5 V to 250 V AC/DC (model dependent)
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Rated Current: Typically up to 0.5 A – 2 A
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Maximum Switching Power: Up to 50 W / 100 VA
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Operating Temperature: –10°C to +85°C
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Material: High-grade plastic (PP) or stainless steel (SS)
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Mounting Type: Vertical or horizontal mounting
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Cable Length: 30 cm to 1 meter (varies by model)
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Protection Level: IP65 / IP67 (model dependent)
Note: Specifications may vary depending on model and manufacturer.
Applications of Float Switch Sensor
The Float Switch Sensor is widely used across multiple industries and applications due to its simplicity and reliability:
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Water Level Control Systems
Commonly used in overhead tanks, underground sumps, and storage tanks to automatically control water pumps. -
Pump Protection
Prevents dry running of pumps by detecting low water levels, extending pump life and reducing maintenance costs. -
Industrial Liquid Management
Used in chemical processing, coolant tanks, lubrication systems, and industrial fluid reservoirs. -
HVAC & Refrigeration Systems
Monitors condensate levels and prevents overflow in air conditioning and refrigeration units. -
Automotive & Marine Applications
Suitable for fuel tanks, bilge pumps, and coolant monitoring systems. -
Home Automation & Smart Systems
Integrated with microcontrollers and relays for smart water management and IoT-based monitoring solutions. -
Medical & Laboratory Equipment
Ensures precise liquid level monitoring in equipment such as analyzers, dispensers, and diagnostic devices.
Why Choose a Float Switch Sensor?
The Float Switch Sensor offers an excellent balance of cost-effectiveness, durability, and operational reliability. Unlike electronic level sensors that may fail due to moisture or electrical interference, float switches use a proven mechanical design that works consistently over long periods. Their adaptability to different voltages and liquids makes them suitable for a wide variety of applications.
Additionally, float switch sensors are easy to integrate with relays, PLCs, Arduino, Raspberry Pi, and industrial controllers, making them ideal for both professional and DIY projects. With minimal maintenance requirements and long operational life, they provide a dependable solution for liquid level monitoring and control.
Ideal Choice for Efficient Liquid Level Monitoring
Whether you are managing a water tank, industrial process system, or automated pump setup, the Float Switch Sensor delivers accurate, reliable, and hassle-free liquid level detection. Its robust construction, flexible configuration, and wide application range make it a must-have component for efficient fluid management systems.
Invest in a Float Switch Sensor today and ensure safe, automated, and efficient liquid level control for your applications.
Package Includes:
1 x Float Switch Sensor For Water Level Controller (With 2 Meter Wire)
FAQ
1. Where can we buy this Float Switch Sensor?
This product is available online https://aiiottech.in/product/float-switch-sensor/ and also available at our store in Pudupakkam/Kelambakkam, Chennai-603103
2. When can I get this Float Switch Sensor after placing the order?
RGRJ AIIoT TECHNOLOGIES will immediately ship and deliver the product within 1-3 working days.
Video Link: 250 Volts Float Switch Sensor for Water Level Controller with 2 Meter Wire




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