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Automatic Water Level Controller EDF-96A/B

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Automatic water supply and drainage control

High-sensitivity stainless steel probe detection

Industrial MCU control with stable performance

10V DC isolated probe design for safer operation

Supports water shortage protection function

30A high-power relay output

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Application

Water tanks and reservoirs
Water towers and wells
Underground garages
Industrial and mining facilities
Household water systems
Drinking water tanks
Aquariums and fish tanks
Agricultural irrigation systems

Description

The EDF-96A/B Automatic Water Level Controller is an intelligent liquid level control device designed for automatic water supply and drainage control in water tanks, reservoirs, wells, and water towers.

The controller supports automatic water filling, automatic drainage, water shortage protection, and combined upper and lower water level control functions. Equipped with high-sensitivity stainless steel probes and precision liquid level detection technology, it provides accurate and stable water level monitoring from 1cm to 20m.

The upgraded EDF-96A adopts an isolated transformer design with low-voltage 10V DC probe detection for improved safety and reliable operation. The industrial-grade MCU control system replaces traditional IC circuits, offering stronger anti-interference capability and more stable long-term performance.

The product features a high-power 30A relay output and supports manual/automatic mode switching. It is suitable for residential, industrial, agricultural, and commercial automatic water level control applications.

Features

  • Automatic water filling and drainage control
  • Supports upper and lower water level control
  • DIN rail and wall mounting supported
  • High-sensitivity stainless steel probe detection
  • Industrial-grade MCU control system
  • Resistive load 10A / inductive load 5A
  • Manual and automatic mode switching

Technical Details

Product Type:

Automatic Water Level Controller

Product Model:

EDF-96A / EDF-96B

Material:

PP

Size:

126 × 88 × 51mm

Type:

Automatic Liquid Level Controller

Working Voltage:

EDF-96A: 220V EDF-96B: 380V

Load Current:

Resistive Load: 10A Inductive Load: 5A

Power Range:

≤700W

Installation Type:

DIN Rail Mounting / Wall Mounting

Control Mode:

Manual / Automatic Switching

Accessories

We reserve the right to make technical alterations without prior notice.
Dimensions
Wiring diagram

What is the EDF-96A / EDF-96B automatic water level controller used for?

The EDF-96A / EDF-96B is designed for automatic water level control in tanks, reservoirs, towers, and water supply systems. It can automatically: Start and stop water pumps Maintain stable water levels Prevent water overflow Prevent dry running of pumps Reduce manual operation It is widely used in residential, commercial, agricultural, and industrial water systems.

What is the difference between EDF-96A and EDF-96B?

Main differences include the working voltage: EDF-96A → 220V EDF-96B → 380V Both models support: Automatic water level control Rail or wall mounting Pump protection functions Float switch or electrode signal input Users can select the model according to the pump power supply voltage.

How does the automatic water level controller work?

The controller detects water level signals from sensors or float switches. When the water level becomes low: The controller starts the water pump automatically When the water level reaches the upper limit: The controller stops the pump automatically This allows fully automatic water supply operation.

What types of sensors can be connected?

The controller can work with: Float switches Electrode probes Water level sensors It is suitable for various automatic water supply systems.

What loads can the controller control?

The controller is suitable for controlling: Water pumps Solenoid valves Small motors Water supply equipment Typical load specifications: Resistive load: 10A Inductive load: 5A Users should select the correct model according to pump power requirements.

Does the controller support dry-run protection?

Yes. The controller can automatically stop the pump when water is insufficient, helping prevent: Pump dry running Motor overheating Pump damage Reduced equipment lifespan This improves overall system safety and reliability.

What installation methods are supported?

The EDF-96A / EDF-96B supports: DIN rail mounting Wall mounting This makes installation convenient for electrical cabinets and industrial control systems.

Is it suitable for household and industrial applications?

Yes. It is widely used in: Household water tanks Rooftop water towers Underground reservoirs Agricultural irrigation systems Industrial water supply systems Sewage and drainage systems

What are the main advantages of the EDF series?

Main advantages include: Automatic pump control Stable water level management Dry-run protection Easy installation Simple wiring Reliable operation Compact structure Suitable for long-term continuous operation

Can it be used with both single-phase and three-phase pumps?

EDF-96A is suitable for single-phase 220V systems EDF-96B is suitable for three-phase 380V systems Users should choose the proper model according to the pump voltage.

What should buyers confirm before purchasing?

Before ordering, buyers should confirm: Pump voltage (220V or 380V) Pump power Installation method Sensor type Application environment Control requirements Quantity needed This helps ensure compatibility with the actual water control system.

What applications is the EDF controller suitable for?

Typical applications include: Water tank automatic refill systems Water tower control systems Pump automation systems Agricultural irrigation Industrial water management Municipal water supply systems Drainage and sewage systems It is suitable for both residential and industrial automation applications.

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