What is a magnetic latching relay and how does it work?

A magnetic latching relay is a type of electromechanical relay that maintains its position (either ON or OFF) even after the power supply is removed. It uses a magnetic field to hold the relay in its last switched position. This mechanism is particularly useful in applications where you want to conserve power, since the relay does not require a constant supply to maintain its state. For instance, in battery-operated devices, this characteristic can greatly enhance energy efficiency.

What are the specifications of the 20537-81 relay?

The 20537-81 relay operates at 12VDC with a current rating of 10A, featuring a DPDT (Double Pole Double Throw) configuration. It has an impedance of 75 Ohm and dimensions of 38.1 x 34.8 x 55.88 mm. These specifications make it suitable for various applications like automotive systems, automation projects, or any device requiring reliable switching. Knowing these details aids in ensuring compatibility with your specific project or system design.

What applications are suitable for the 20537-81 relay?

The 20537-81 relay is versatile and can be used in multiple applications such as automotive lighting systems, industrial automation, HVAC controls, and home appliances. Its magnetic latching feature makes it ideal for low-power control applications, like in remote switching scenarios. As an example, in a home automation system, you could use this relay to control lights or fans, allowing for efficient power management.

How do I connect the 20537-81 relay to my circuit?

Connecting the 20537-81 relay involves identifying the input and output terminals according to its DPDT configuration. Begin by connecting your control voltage (12VDC) to the appropriate coil terminals, ensuring the positive and negative connections are secure. Then, connect your load to the switched terminals. This setup allows the relay to control the load safely. Adequate understanding of circuit diagrams can assist in this process, making installation straightforward.

Is the 20537-81 relay suitable for high-frequency applications?

The 20537-81 relay is primarily designed for low-frequency applications due to its electromechanical nature. High-frequency switching can introduce delays and potential overheating, making it less ideal for such uses. It's recommended to consider solid-state relays for high-frequency applications. However, in situations requiring reliable on-off control without rapid switching, this relay proves highly effective.

What safety precautions should I take while working with this relay?

When working with the 20537-81 relay, it's crucial to ensure the power is off before connecting or disconnecting wires to avoid electric shock. Use insulated tools and wear safety gloves for additional protection. Moreover, double-check your connections to prevent short circuits. By following these precautions, you can safely work with the relay and ensure it operates effectively in your application.

Can the 20537-81 relay be used in battery-powered devices?

Yes, the 20537-81 relay is a great choice for battery-powered devices due to its magnetic latching feature, which significantly reduces power consumption. Once switched, it maintains its position without continuous power, allowing for efficient use of battery life. This makes it ideal for applications like remote-controlled gadgets or devices where conserving battery is critical.

What is the difference between DPDT and SPDT relays?

DPDT (Double Pole Double Throw) and SPDT (Single Pole Double Throw) relays differ in the number of circuits they control. A DPDT relay can switch two circuits simultaneously, while an SPDT relay can control only one. For instance, if you're looking to control two different devices or states with the same relay in a single action, the DPDT configuration of the 20537-81 would be advantageous.

What is the operating temperature range for the 20537-81 relay?

The typical operating temperature range for the 20537-81 relay is between -10°C and 70°C. This range makes it suitable for a variety of environments, from indoor applications to relatively harsh outdoor conditions, as long as environmental factors like extreme moisture or direct sunlight are managed. This versatility allows the relay to be integrated effectively in many systems requiring reliable operation across varying temperatures.

Where can I buy the 20537-81 Electromechanical Relay in South Africa?

You can purchase the 20537-81 Electromechanical Relay from Ubuy in South Africa. Ubuy offers a wide selection of electronic components and accessories, making it a reliable source for acquiring this specific relay. Their platform provides user-friendly navigation and secure transactions, ensuring you can easily find the right products for your needs.

How to Shop 20537-81, Electromechanical Relay 12VDC 75Ohm 10A Online From Ubuy?

It’s easy to shop 20537-81, Electromechanical Relay 12VDC 75Ohm 10A 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 20537-81, Electromechanical Relay 12VDC 75Ohm 10A 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 20537-81, Electromechanical Relay 12VDC 75Ohm 10A 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.

Deltrol Controls

20537-81, Electromechanical Relay 12VDC 75Ohm 10A DPDT (38.1x34.8x55.88) mm Socket Magnetic Latching Relay

Deltrol Controls

Item #: 46214415

20537-81, Electromechanical Relay 12VDC 75Ohm 10A DPDT (38.1x34.8x55.88) mm Socket Magnetic Latching Relay

80% of respondents would recommend this to a friend

Item #: 46214415

ZAR 3056

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What Stands Out

Magnetic Latching

This relay maintains its position after being energized, offering energy efficiency and reliability in applications where power conservation is crucial.

Compact Design

Measuring just 38.1x34.8x55.88 mm, the relay fits seamlessly into tight configurations, making it ideal for space-constrained environments.

DPDT Configuration

The double-pole double-throw setup allows versatile switching options, enhancing functionality for complex circuit designs and applications.

Product Details

Connector Type	Quick Connect, Solder
Contact Type	Dpdt
Current Rating	10 Amps
Mounting Type	Latching
Operation Mode	Automatic
Coil Resistance	75 Ohms
Coil Voltage	12 Volts
Contact Current Rating	10 Amps
Maximum Switching Current	10 Amps
Maximum Switching Voltage	12 Volts
Minimum Switching Voltage	12 Volts (DC)
Brand Name	Deltrol Controls
Part Number	20537-81
Model	20537-81
Manufacturer	DELTROL CONTROLS
Brand	Deltrol Controls
Item Weight	0.2 lbs (90 grams)

Who Should Buy?

DIY Electronics Hobbyists
Ideal for hobbyists building custom electronic projects needing reliable relays in a compact size.
Home Automation Systems
Perfect for automating home appliances efficiently when controlled by a 12VDC power source.
Car Modifications
Beneficial for car enthusiasts who want to control lights or motors with a reliable latching relay.

High Voltage Applications
Not suitable for applications requiring higher voltage handling beyond 12VDC, limiting its versatility.

Product Description

20537-81, Electromechanical Relay 12VDC 75Ohm 10A DPDT (38.1x34.8x55.88) mm Socket Magnetic Latching Relay

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Question: How to Shop 20537-81, Electromechanical Relay 12VDC 75Ohm 10A Online From Ubuy?

Answer: It’s easy to shop 20537-81, Electromechanical Relay 12VDC 75Ohm 10A 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 20537-81, Electromechanical Relay 12VDC 75Ohm 10A 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 20537-81, Electromechanical Relay 12VDC 75Ohm 10A 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.

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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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20537-81, Electromechanical Relay 12VDC 75Ohm 10A DPDT (38.1x34.8x55.88) mm Socket Magnetic Latching Relay

ZAR 3056

Fast Shipping

Free Return*

Secure Packaging

100% Original Products

PCI DSS Compliance

ISO 27001 Certified

What Stands Out

Product Details

Who Should Buy?

Product Description

Customer Questions & Answers

Deltrol Controls Electromechanical Relays Editorial Review

Customer Reviews & Ratings

Review this product

Product Price History

Important information

ZAR 3056

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