What is a Current Sensing Relay, and how does the CR4395-EH-120-101-A-CD-ELR-I function?

A Current Sensing Relay (CSR) is a device that monitors electrical current and provides a means to protect electrical systems. The CR4395-EH-120-101-A-CD-ELR-I operates on a 120 VAC supply and is designed to energize upon detecting a high-current trip condition. This model features a trip range of 10 - 100 AAC, and its internal transformer ensures accurate sensing. It functions by detecting high current levels, allowing it to prevent overload situations, making it ideal for industrial or commercial applications.

What are the key features of the CR4395-EH-120-101-A-CD-ELR-I Current Sensing Relay?

The CR4395-EH-120-101-A-CD-ELR-I is notable for its internal transformer, which enhances its sensitivity and efficiency. Key features include a 120 VAC operating voltage, a trip range between 10 to 100 AAC, and an adjustable delay of 0.5 to 6 seconds. These features work together to provide precise and efficient current monitoring and trip protection, making it suitable for various electrical applications such as motors, transformers, and other critical equipment.

What applications are best suited for the CR4395-EH-120-101-A-CD-ELR-I?

This Current Sensing Relay is ideal for applications that require monitoring and protection against overloads, such as motor control, HVAC systems, or power distribution installations. Its adjustable trip settings allow users to adapt the device to the specific requirements of their equipment. Using this relay helps protect equipment from potential damage caused by unexpected current surges, ensuring operational reliability and efficiency in commercial and industrial environments.

How does the adjustable trip delay feature work on the CR4395-EH-120-101-A-CD-ELR-I?

The adjustable trip delay feature on the CR4395-EH-120-101-A-CD-ELR-I allows users to set a time interval of 0.5 to 6 seconds before the relay trips upon detecting excessive current. This is particularly useful to avoid nuisance tripping. For instance, during motor startup, inrush currents occur, and the delay can help the relay differentiate between temporary spikes and sustained overloads. This added flexibility enhances the relay's reliability across various operational scenarios.

What benefits does the internal transformer provide in the CR4395-EH-120-101-A-CD-ELR-I?

The internal transformer in the CR4395-EH-120-101-A-CD-ELR-I provides isolation and supports accurate current measurement without the need for external sensing components. This design results in reduced installation complexity and improved compactness. With the transformer, users can confidently rely on precise current sensing, vital for ensuring that equipment operates safely and effectively, minimizing the risk of electrical faults.

What makes the CR4395-EH-120-101-A-CD-ELR-I suitable for commercial applications?

The CR4395-EH-120-101-A-CD-ELR-I is designed to withstand the demands of commercial environments due to its robust construction and reliable performance. The 10 - 100 AAC trip range is versatile enough for various equipment types, while the 120 VAC compatibility ensures it can easily integrate into existing electrical systems. Typical commercial applications include safeguarding HVAC units, pumps, and other essential machinery from overloads, enhancing operational efficiency.

Can the CR4395-EH-120-101-A-CD-ELR-I be used for residential applications?

While the CR4395-EH-120-101-A-CD-ELR-I is primarily designed for commercial and industrial use, it can be utilized in residential settings where high-current equipment is present, such as electric water heaters or large air conditioning units. Its ability to adapt to various trip ranges can help homeowners protect their valuable appliances from excessive current, thereby extending their lifespan and preventing electrical fires.

How can I troubleshoot issues with the CR4395-EH-120-101-A-CD-ELR-I relay?

Troubleshooting the CR4395-EH-120-101-A-CD-ELR-I can begin by checking the power supply to ensure it's receiving 120 VAC. Next, verify that the current sensed is within the expected trip range; adjustments may be necessary based on the application. Examine all connections for secure fits, and inspect the relay for any signs of damage. If issues persist, consult the manufacturer's documentation for more detailed diagnostic procedures.

Is the CR4395-EH-120-101-A-CD-ELR-I compatible with different types of electrical systems?

Yes, the CR4395-EH-120-101-A-CD-ELR-I is versatile and can be integrated into a variety of electrical systems, provided they operate at 120 VAC. This makes it compatible with both single-phase and certain three-phase configurations, making it suitable for numerous applications. Users can adapt it for use in commercial, industrial, or large residential settings without significant modifications to existing wiring.

Where can I buy the CR4395-EH-120-101-A-CD-ELR-I Current Sensing Relay?

You can purchase the CR4395-EH-120-101-A-CD-ELR-I Current Sensing Relay at Ubuy, which offers a wide selection of electrical devices. Ubuy is a reliable e-commerce platform that provides convenient access to various products, ensuring that you can find the relay with ease. Visit Ubuy to explore options available in South Africa and enjoy a seamless shopping experience tailored to your needs.

How to Shop CR Magnetics CR4395-EH-120-101-A-CD-ELR-I Current Online From Ubuy?

It’s easy to shop CR Magnetics CR4395-EH-120-101-A-CD-ELR-I Current online from Ubuy. You just have to search for the product, choose your shipping method while checking out and get it delivered to your location.

Is CR Magnetics CR4395-EH-120-101-A-CD-ELR-I Current Available to Shop Online in South Africa?

Yes, at Ubuy South Africa this product is available for you to shop at a reasonable price. The CR Magnetics CR4395-EH-120-101-A-CD-ELR-I Current is not available locally but you can trust us with our express shipping services.

How Long Does It Take to Get Product After Placing the Order?

The delivery time of your ordered product varies as per what you've ordered and the shipping method that you've chosen. The estimated delivery time is mentioned during the checkout process, so be carefree while shopping.

CRMagnetics

Current sensing relay for monitoring electrical current with a variable trip point range for optimal stability.

CRMagnetics

CR Magnetics CR4395-EH-120-101-A-CD-ELR-I Current Sensing Relay with Internal Transformer, 120 VAC, Energized on High Trip, 10 - 100 AAC Trip Range,

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Current sensing relay for monitoring electrical current with a variable trip point range for optimal stability.

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Note: Step Down Voltage Transformer required for using electronics products of US store (110-120). Recommended power converters Buy Now.

What Stands Out

High Trip Sensitivity

The CR4395-EH-120-101-A-CD-ELR-I activates during high current conditions, ensuring timely intervention to prevent electrical overloads, which enhances safety and system reliability.

Internal Transformer

Equipped with an internal transformer, this relay simplifies installation and reduces external wiring complexities, making it a user-friendly choice for quick setups in various environments.

Adjustable Delay

With a customizable trip delay of 0.5 to 6 seconds, users can tailor the response time to suit specific applications, providing flexibility and enhanced operational efficiency.

Product Details

Contact Type	Spdt
Current Rating	20 Amps
Maximum Switching Current	20 Amps
Specification Met	UL, ma, ms
Brand Name	CR Magnetics
Part Number	CR4395-EH-120-101-A-CD-ELR-I
Unit Count	1.0 Count
Manufacturer	CR Magnetics
Brand	CR Magnetics
Country of Origin	This item will be imported from US
What is in the box	CR Magnetics CR4395-EH-120-101-A-CD-ELR-I Current... For more details, please check description/product details
Item Weight	1.5 lbs (680 grams)
Date First Available	April 23, 2021

Who Should Buy?

Industrial Applications
Ideal for industrial settings where current monitoring and protection against overloads are critical for machinery.
Electrical Engineers
Useful for electrical engineers needing accurate trip parameters for testing and optimizing electrical systems.
HVAC Systems
Beneficial for HVAC systems requiring reliable current sensing to prevent overheating and ensure efficient operation.

Small Residential Use
Not suitable for small home applications where less robust current sensing solutions are adequate.

Product Description

CR Magnetics CR4395-EH-120-101-A-CD-ELR-I Current Sensing Relay with Internal Transformer, 120 VAC, Energized on High Trip, 10 - 100 AAC Trip Range, 0.5 - 6 Second Trip on Delay

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Customer Questions & Answers

Question: How to Shop CR Magnetics CR4395-EH-120-101-A-CD-ELR-I Current Online From Ubuy?

Answer: It’s easy to shop CR Magnetics CR4395-EH-120-101-A-CD-ELR-I Current online from Ubuy. You just have to search for the product, choose your shipping method while checking out and get it delivered to your location.
Question: Is CR Magnetics CR4395-EH-120-101-A-CD-ELR-I Current Available to Shop Online in South Africa?

Answer: Yes, at Ubuy South Africa this product is available for you to shop at a reasonable price. The CR Magnetics CR4395-EH-120-101-A-CD-ELR-I Current is not available locally but you can trust us with our express shipping services.
Question: How Long Does It Take to Get Product After Placing the Order?

Answer: The delivery time of your ordered product varies as per what you've ordered and the shipping method that you've chosen. The estimated delivery time is mentioned during the checkout process, so be carefree while shopping.

CRMagnetics Current Monitoring Relays Editorial Review

The CR Magnetics CR4395-EH-120-110-C-CD-ELR-I Current Sensing Relay with Internal Transformer, 120 VAC has received excellent reviews from customers. It is a handy and adjustable device with a trip range between 1 and 10 Amps AC, and it comes with a circuit wiring diagram. Customers have used it for various purposes, such as turning on the sound system with a TV, powering a chemical injection pump, building a relay box, and triggering power to a pool chlorinator. However, it's important to note that this is not a plug-and-play device and is designed for industrial/commercial equipment. It requires an experienced electronic hobbyist or engineer who can read a circuit wiring diagram and provide safety by mounting it in a closed electronic box with a fuse.

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Pros

Adjustable trip range between 1 and 10 Amps AC, which can be extended by taking multiple loops through the coil
Suitable for various purposes such as powering different devices
Comes with a circuit wiring diagram

Cons

Not a plug-and-play device and requires an experienced electronic hobbyist or engineer for safety reasons.

Product Price History

Important information

Limitations : For products shipped internationally, please note that any manufacturer warranty may not be valid; manufacturer service options may not be available; product manuals, instructions, and safety warnings may not be in destination country languages; the products (and accompanying materials) may not be designed in accordance with destination country standards, specifications, and labeling requirements; and the products may not conform to destination country voltage and other electrical standards (requiring use of an adapter or converter if appropriate). The recipient is responsible for assuring that the product can be lawfully imported to the destination country. When ordering from Ubuy or its affiliates, the recipient is the importer of record and must comply with all laws and regulations of the destination country.
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