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+86 189 8978 2810

ESC stainless steel float level switch

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Stainless steel side-mount float switch

Duckbill design for stable operation

Built-in reed switch for reliable control

High-temp resistant and corrosion-resistant

Easy installation for compact spaces

Long service life and stable performance

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Application

Water Purifiers & Drinking Systems

Liquid level monitoring for water purifiers, drinking machines, and water dispensing equipment.

Water Heating & Solar Systems

Automatic level control for water heaters, solar water systems, and anti-dry protection equipment.

HVAC & Small Appliances

Level detection for air conditioners, humidifiers, coffee machines, and small refrigeration systems.

Industrial & Automotive Systems

Reliable liquid level control for industrial equipment and automotive fluid systems.

Agricultural & Household Water Applications

Water level management for irrigation systems and household appliances.

Description

Description Background

The ESC stainless steel float level switch is a side-mounted (duckbill-type) liquid level controller designed for reliable water level detection and dry-run protection. It is widely used in water heating and liquid control systems, providing stable switching performance and long service life. Its compact structure and easy installation make it suitable for both household appliances and industrial equipment.

Features

01DEPENDABLE
Designed for demanding environments, the silicone cable offers excellent resistance to acids and alkalis while maintaining reliable performance at high temperatures. The double-fiber braided construction provides enhanced durability, flexibility, and long service life.
High-Temperature Silicone Cable with Double-Fiber Braiding
High-Temperature Silicone Cable with Double-Fiber Braiding
02EFFICIENT
The duckbill-shaped design makes installation more convenient and flexible, while providing good adaptability to different installation environments. It is suitable for a wide range of liquid level control applications.
Duckbill Design for Easy Installation
Duckbill Design for Easy Installation
03SECURE
Available in high-quality 304 or 316 stainless steel, offering excellent corrosion resistance, reliable performance, and long service life. Suitable for demanding liquid level control applications.
Premium 304/316 Stainless Steel Construction
Premium 304/316 Stainless Steel Construction
04CONVENIENT
Built with durable materials and reliable components, the float switch offers excellent durability and stable performance, ensuring a long service life even in demanding operating environments.
Long Service Life
Long Service Life

Technical Details

Product Type:

Float Level Switch

Product Model:

ESC Series

Material:

Stainless Steel + Engineering Plastic + Sealing Rubber

Size:

See attached drawing

Type:

Side Mount Float Level Switch (Duckbill Type)

Operating Temperature:

High temperature resistant (refer to product specification for exact range)

Max Contact Rating:

10VA (1A1) / 20VA (2A1)

Max Switching Voltage:

100V AC/DC (1A1) / 220V AC/DC (2A1)

Max Switching Current

0.5A (1A1, resistive) / 1.5A (2A1, resistive)

Max Breakdown Voltage:

110V AC/DC (1A1) / 300V AC/DC (2A1)

Max Contact Resistance:

100mΩ (1A1) / 100mΩ (2A1)

Temperature Rating:

-30°C to +120°C

Float Ball Material:

Stainless Steel

Float Body Material:

Double-layer silicone insulated wire

Applicable Density:

0.7 × 10³ kg·f/m³

Accessories

We reserve the right to make technical alterations without prior notice.
ESC Series Float Switch Dimensions

What is the difference between stainless steel and plastic float switches?

Stainless steel float switches offer higher durability, better pressure resistance, and longer service life. They are more suitable for high-temperature, corrosive, or industrial environments. Plastic types are more cost-effective and suitable for general water applications but have lower resistance to heat and chemicals.

Can this float switch work in high-temperature environments?

Yes. It is designed with high-temperature resistant materials and can operate in environments up to 120°C, making it suitable for water heaters, solar systems, and heating equipment.

What does the duckbill side-mount design mean?

It refers to a compact side installation structure that allows the switch to be mounted on the side wall of a tank. This design is ideal for narrow or space-limited containers.

What protection does it offer against dry burning?

When used in heating systems, it can detect low water levels and trigger switching action to prevent equipment from operating without water, helping avoid dry-burning damage.

Can it be used with chemicals or oils?

Yes. It has resistance to acids, alkalis, oils, and various chemical media, making it suitable for industrial liquid control applications.

What is the difference between 1A1 and 2A1 models?

The main difference is electrical capacity: 1A1: 10VA, lower load applications 2A1: 20VA, higher load and stronger switching capability Both share the same structure and material but differ in electrical performance.

Is installation complicated?

No. The side-mount design allows easy installation on tank walls without complex setup, making it suitable for both OEM and replacement use.

How long is the service life?

It has a long operational life due to stainless steel construction, sealed design, and stable reed switch technology, suitable for long-term continuous use.

Can it be used in industrial automation systems?

Yes. It is widely used in industrial liquid level control, water treatment systems, agricultural irrigation, and various automated equipment.

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