Under Current Protector

Under Current Protector: The Perfect Solution for Ensuring Safe Water Quality

As an experienced manufacturer of high-quality products, we are proud to offer our latest innovation - the Under Current Protector. This product has been designed to address a critical issue that is often overlooked when it comes to water quality: the presence of under currents. Under currents can pose a serious threat to the overall quality and safety of water by causing harmful bacteria growth, creating stagnant water, and damaging aquatic ecosystems. With the Under Current Protector, you can protect your water sources and ensure that your customers receive clean and safe water.

The Under Current Protector is compatible with a variety of water systems, making it easy to integrate with your existing infrastructure. We use only high-quality, durable materials that are designed to last for years. Our product is designed to be easy to install and maintain, so you can spend more time focusing on your business and less time worrying about product upkeep. The Under Current Protector is customizable to meet your specific needs, whether you're looking to protect a single water source or an entire network of sources.

Our product is multi-functional and can address a wide range of water quality issues. Below are some of the key benefits of the Under Current Protector:

1. Prevents under currents from forming - Under currents can be caused by various factors, including wastewater discharge, natural weather patterns, and changing water flow conditions. The Under Current Protector prevents the formation of under currents by directing water flow in a specific direction.

2. Eliminates stagnant water - Stagnant water can be hazardous to human health as it can become a breeding ground for harmful bacteria. The Under Current Protector ensures that water is constantly moving, which helps to prevent stagnation.

3. Increases dissolved oxygen levels - Oxygen is essential for maintaining healthy water ecosystems. The Under Current Protector increases the levels of dissolved oxygen in the water, which helps to support aquatic life.

4. Prevents sediment buildup - Sediment can easily accumulate in water sources and lead to clogging in pipes and other equipment. The Under Current Protector prevents sediment from settling by keeping the water moving.

5. Reduces overall maintenance costs - By preventing water quality issues, the Under Current Protector can help to reduce overall maintenance costs associated with repairing equipment and cleaning water sources.

In addition to the above benefits, the Under Current Protector is an environmentally-friendly solution that works to preserve natural water ecosystems. By reducing the presence of harmful bacteria and sediment, we can help to ensure that aquatic ecosystems remain healthy for generations to come.

As a leading manufacturer of high-quality products, we understand the importance of delivering reliable solutions that meet the needs of our customers. Our team of engineers and designers have worked tirelessly to create a product that is effective, easy to use, and affordable. We are confident that the Under Current Protector is the perfect solution for anyone looking to improve their water quality and ensure the safety of their customers.

In conclusion, the Under Current Protector is a state-of-the-art product that offers an effective solution for preventing under currents and ensuring safe water quality. With its multitude of benefits and easy installation, the Under Current Protector is the perfect investment for those looking to invest in the safety and longevity of their water sources. As a manufacturer of premium products, we are committed to delivering the highest quality solutions to our customers around the world. If you have any questions about our product or would like to place an order, please do not hesitate to contact us.

Applications

Pumping cavitation or loss of prime

Detect malfunction of fans

Broken belt or coupling failure

Shut down motors when unloaded

Features

Adjustable underload protection

Trip delay adjustment

Wide current adjustment range

Trip indication LED

Remote electrical reset

Low energy consumption/Compact design

Operates in wide ambient temperature range

Benefits

Simple to commission

Reduced spares inventory

Assists in fault finding

Safe remote reset

Less cubical space required

Consistent accuracy

Specifications

TRIP TIMES

Under current Definite time 0.2-30sec.

CURRENT SETTING RANGE

05Type 0.5-5amps

30Type 3.0-30amps

60Type 5.0-60amps

100-600Type With external current transformers

CURRENT SENSING 2CT

CONTROL VOLTAGES

24 24Vac/dc

110 110Vac

220 240Vac

440 440Vac

Other voltages aviliable by request

FREQUENCY 50/60Hz

OUTPUT RELAY

1-changeover contact

3A/250Vac resistive

OPERATING CHARACTERISTIC

Definite time

TRIP INDICATION Red LED

TOLERANCE

Current +/-10%

Time +/-15%

AMBIENT TEMPERATURE

Storage -30-80℃

Operation -25-70℃

Humidity 45-85%

Without condensation

INSULATION

Between casing and circuits

Over 10M @ 500 VDC

DIELECTRIC STRENGTH

Casing ＆circuit 2kV

Between contacts 1kV

Between circuits 2kV

MOUNTING

35mm DIN rail/surface

Motor Under-load Application

• Set the trip time adjustment (1) to the required trip time.

• Set the current adjustment (2) to the desired trip current.

• Once all the connections to the relay have been made in accordance with the typical wiring diagram control power can be applied when the motor is started (red LED off).

• Press and hold down test button (red LED on). The relay will trip after the trip time adjustment (1) has elapsed. Under Current protector can be reset manually via reset button on relay facia or remote electrical reset by interrupting the control supply.

The red LED can also be used to determine actual load current being drawn from the supply without the need for an ammeter. By turning the current adjustment (2) clockwise from the fully anti-clockwise position, the LED will begin to flash when the actual load current is reached. The current can be determined by reading the calibrated scale and is an advantage where high accuracy is required.

Fine Under load Adjustment

• Set the trip time adjustment (1) to the required trip time.

• Follow the above procedure to obtain the actual load current.

• Set the current adjustment (2) to just below the actual load current.

Any load current below the preset level will cause the Under Current protector to trip after the trip time adjustment has elapsed

Test and Reset

Via two push buttons on the front facia. The test button allows the operator to test the functionality of the relay when control power is applied and motor is running. The reset button allows the relay to be reset instantaneously. Remote electrical reset is also possible by interrupting the control power supplied to terminals L1 and L2.

Why choose us?

• Our Protection Relay products are designed to withstand the most demanding industrial environments and provide optimal performance.
• Brand competitiveness is the external expression of the core competitiveness of enterprises. It has irreplaceable differentiation ability, which is the unique ability of enterprises.
• Our Protection Relay products are manufactured to meet or exceed international safety and quality standards.
• Through the publicity and education of business philosophy and quality philosophy, the professional moral quality and technical business quality of our employees are generally improved.
• Our team of professionals is always available to provide technical support and answer any questions about our Protection Relay products.
• The company has always adhered to the company mission of "quality first", with brilliant prospects and a long way to go. It will continue to pursue the business philosophy of "harmonious development, integrity and win-win", and seek better development for customers and themselves with cost-effective products.
• Our Protection Relay products are thoroughly tested for reliability and safety, ensuring your peace of mind.
• We always adhere to the concept of quality development and lead the development of the industry by researching and producing 'high, precise and advanced' Under Current Protector.
• Our company produces top-notch Protection Relays, ensuring reliable performance and safety.
• We manufacture in strict conformity with industry standards, and the quality of our Under Current Protector has a superiority that other brands cannot match.

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