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+86 189 8978 2810

EP Series PP Plastic Float Level Switch

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Minimum : 0 Maximum : Unlimited

Low cost solution

Corrosion resistant

Stable performance

Easy installation

Flexible design

Customized to customer’s specifications

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Application

Water Purification & Dispensing Systems

Liquid level control for water purifiers, water dispensers, and drinking water equipment.

Water Heating & Solar Systems

Level monitoring for water heaters, solar water systems, and household water storage.

HVAC & Small Appliances

Liquid level detection for air conditioners, humidifiers, coffee machines, and small refrigerators.

Agricultural & Aquaculture Systems

Water level management for aquaculture ponds, drainage tanks, and irrigation applications.

Industrial Water Storage Systems

Reliable liquid level control for industrial tanks, reservoirs, and water management equipment.

Description

Description Background

This plastic float switch is a lightweight and cost-effective solution for automatic level control. Made of high-quality polypropylene (PP), it features excellent corrosion resistance, electrical insulation, and stable performance.

The sensor operates using a reed switch and a magnetic float. As the liquid level changes, the float moves accordingly, triggering the reed switch to open or close, enabling accurate and reliable level detection.

With its simple structure, easy installation, and flexible design, it is widely used in household appliances, water systems, and industrial applications.

Features

01DEPENDABLE
The galvanized connector provides good resistance to oxidation and corrosion, helping maintain reliable electrical connections over time. Combined with durable cable construction, it offers stable performance and a longer service life in humid and demanding environments.
Galvanized Connector & Oxidation-Resistant Cable
Galvanized Connector & Oxidation-Resistant Cable
02EFFICIENT
Made of durable PP (polypropylene) material, the float switch offers good resistance to mild acidic and alkaline environments. It provides reliable performance at an economical cost, making it ideal for small water storage systems and liquid level control applications.
PP Material, Cost-Effective and Corrosion-Resistant
PP Material, Cost-Effective and Corrosion-Resistant
03SECURE
Equipped with a high-quality magnetic reed switch, the float switch provides reliable switching performance and stable liquid level detection. It offers excellent sensitivity and long service life, helping ensure consistent operation in various liquid level control applications.
High-Quality Reed Switch
High-Quality Reed Switch
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

plastic Float Switch

Product Model

EP2508/EP3208/EP3508/EP4008/EP4310/EP4510/EP5210/EP6010/EP7510/EP8510/EP10010/EP10010-2-48/EP12010-2-61/EP15010-2-83/EP20010-2-139/EP25010-2-188/EP30010-2-228/EP40010-2-310/EP50010-2-408

Material

PP (Float & Body)

Size

See attached drawing

Type:

EP Series PP Plastic Float Level Switch

Operating Temperature

1A1: -30°C to +85°C 2A1: -20°C to +85°C

Storage Temperature

1A1: -30°C to +85°C 2A1: -20°C to +85°C

Contact Rating

1A1: 10W / 10VA 2A1: 20W (100–265 VAC loads), 10W (other loads)

Voltage

Max Switching Voltage: 200 VDC (both) 140 VAC (1A1) / 265 VAC RMS (2A1) Min Breakdown Voltage: 250 VDC (1A1) 400 VDC (2A1)

Current

Max Switching Current: 0.5 A / 0.35 A (1A1 DC/AC) 0.4 A / 0.3 A (2A1 DC/AC) Max Carry Current: 1.0 A (1A1) 1.4 A (2A1)

Resistance

Contact Resistance: ≤0.1 Ω Insulation Resistance: ≥10¹⁰ Ω

Capacitance

Contact Capacitance: 0.2 pF (typ.)

Accessories

We reserve the right to make technical alterations without prior notice.
EP Series Plastic Float Switch Dimensions
Power Wiring diagram (LN)

Is this float switch normally open (NO) or normally closed (NC)?

It can be configured as normally open (NO) or normally closed (NC) by reversing the float direction during installation.

What liquids is this product suitable for?

It is suitable for water, clean liquids, and mildly corrosive media compatible with PP material.

Can it be used in high-temperature environments?

PP float switches are typically suitable for moderate temperature applications. For high-temperature environments, stainless steel models are recommended.

How does the float switch control liquid level?

The float contains a magnet that activates a reed switch as the liquid level rises or falls, generating an ON/OFF signal for control systems.

Is installation complicated?

No. It features a simple threaded installation, making it easy to install on tanks or containers.

Is PP material reliable for long-term use?

Yes. PP (polypropylene) offers good chemical resistance, low water absorption, and stable performance, making it suitable for long-term use.

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