
Too many relays? Here's how to find the right one
Consider these key factors when selecting the right relay for your needs.
Last updated 1 month ago. Automatically generated content.


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Relay type determines how the relay operates and its specific application in circuits. Choosing the right type is crucial for ensuring compatibility with your electrical system and achieving optimal performance.
Popular options (you can select more than one)
Power contactor
Typical price
68,– to 420,–Designed to control high-power devices, capable of switching large currents and voltages.
Ideal for industrial applications such as motor control and lighting systems, ensuring durable and reliable operation.
Bestseller
Switching relay
Typical price
18,– to 89,–Used to switch low-power circuits, making it suitable for various electronic devices.
Perfect for applications like home automation systems, providing efficient control without the risk of overload.
Bestseller
Contactor relay
Typical price
38,– to 68,–Combines features of both contactors and relays, used for switching electrical circuits on and off.
Recommended for HVAC systems and large machinery, offering a balance of performance and size for effective control.
Bestseller
Installation relay
Typical price
22,– to 89,–Specifically designed for installation in electrical distribution boards, compact in size.
Ensures efficient operation in residential and commercial buildings, simplifying wiring while enhancing safety.
Bestseller
Electric current output refers to the maximum current a relay can handle without failure. Selecting the appropriate current output is crucial for ensuring that the relay can safely control your devices without overheating or causing damage.
Popular options
Up to 10 A
Typical price
23,– to 72,–Designed to handle currents up to 10 Amperes, making it suitable for low-power applications.
Ideal for controlling small devices such as light switches, fans, or low-power appliances.
Bestseller
11 - 30 A
Typical price
31,– to 76,–Capable of managing currents between 11 and 30 Amperes, suitable for moderate power requirements.
Perfect for applications like electric water heaters, small motors, or HVAC systems where higher current is needed.
Bestseller
31 - 80 A
Typical price
94,– to 240,–Built to support currents ranging from 31 to 80 Amperes, catering to high-power demands.
Recommended for heavy-duty applications such as industrial machinery, large motors, or power distribution systems.
Bestseller
Input voltage refers to the electrical voltage required for the relay to operate correctly. Selecting the appropriate input voltage ensures reliable performance and compatibility with your electrical system, preventing potential damage or malfunction.
Popular options
Up to 50 V
Typical price
29,– to 160,–Designed for low voltage applications, suitable for control circuits and small devices.
Ideal for residential uses, such as automation in home lighting or appliances.
Bestseller
51 - 250 V
Typical price
43,– to 200,–Covers a mid-range voltage suitable for industrial and commercial applications.
Commonly used in HVAC systems and larger electrical equipment, providing robust performance.
Bestseller
251 - 600 V
Typical price
54,– to 300,–Engineered for high voltage applications, ensuring safe operation in demanding environments.
Recommended for heavy machinery and high-power electrical installations, increasing system reliability.
Bestseller
The output current type of a relay specifies whether it operates on alternating current (AC) or direct current (DC). This choice is crucial as it affects compatibility with the devices you intend to control and can influence the reliability and efficiency of the overall circuit.
Popular options (you can select more than one)
AC
Typical price
40,– to 170,–Designed to handle alternating current, which varies in voltage and direction over time.
Ideal for household appliances and lighting systems that typically run on AC power, providing reliable operation in common applications.
Bestseller
DC
Typical price
23,– to 110,–Engineered for direct current, which flows consistently in one direction at a stable voltage.
Perfect for battery-operated devices and electronic circuits, ensuring efficient control and lower power loss in applications such as automotive systems.
Bestseller
The brand factor plays a crucial role in purchasing decisions for relays, as it reflects the reliability and performance associated with different manufacturers. Choosing reputable brands can enhance customer satisfaction and ensure that the relays meet specific operational needs, with companies like Siemens and Finder known for their quality and innovation.
Popular brands (you can select more than one)
Siemens
A leader in industrial automation, known for high-quality, durable relays.
Trusted by professionals for critical applications, ensuring safety and efficiency.
Bestseller