ESSR-40DAC Solid State Relay DC In AC Out 40 amp
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ESSR-40DAC Solid State Relay DC In AC Out 40 amp
Easy to use. Ideal for Temperature Controller, Heater, small oven, Furnace, and Kiln.
ESSR-40DAC Solid State Relay DC In AC Out 40 amp
物品 #: 3364279

ESSR-40DAC Solid State Relay DC In AC Out 40 amp

物品 #: 3364279

HKD 172

Price Details

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*All items will import from 美國

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現在訂購，約可在下列時間收貨： Sunday, 七月 26
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Easy to use. Ideal for Temperature Controller, Heater, small oven, Furnace, and Kiln.
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Note: Step Down Voltage Transformer required for using electronics products of 美國 store (110-120). Recommended power converters 立即購買.

What Stands Out

Solid State Design
The ESSR-40DAC features a solid state relay design providing faster switching speeds and higher reliability than traditional electromechanical relays, ensuring minimal maintenance and long-term performance.
High Current Capacity
With a capacity of 40 amps, this relay is suitable for a wide range of applications, providing users the flexibility to control high-power equipment efficiently and safely.
Versatile Application
Designed for DC input and AC output, this relay meets diverse user needs, making it ideal for industries such as automation, heating, and lighting control, enhancing operational versatility.

產品詳情

Shop ESSR-40DAC Solid State Relay DC In AC Out 40 amp online at a best price in 香港. B00HUBZO7Q

Who Should Buy?

Suitable For
  • Home Automation

    Ideal for automating home appliances with precise control, ensuring safety and energy efficiency in smart home setups.

  • Industrial Applications

    Suitable for controlling machinery and equipment where high current relay switching is essential for operational efficiency.

  • HVAC Systems

    Perfect for HVAC systems requiring reliable switching for heating and cooling equipment, enhancing stability and performance.

Not Suitable For
  • Low Power Devices

    Not suitable for devices requiring less than 40 amps, as it may lead to inefficiency and unnecessary costs.

產品敘述

ESSR-40DAC Solid State Relay DC In AC Out 40 amp

有疑問？ 與我們聊天

客戶問題＆回答

  • 題: What is the maximum load capacity of the ESSR-40DAC Solid State Relay?

    回答: The ESSR-40DAC Solid State Relay can handle a maximum load of 40 amps. This makes it suitable for various applications where high current is required, such as heat control systems, motor controllers, and industrial automation. Its capability to manage significant power loads ensures reliability and performance in demanding settings.
  • 題: How does the ESSR-40DAC Solid State Relay function?

    回答: The ESSR-40DAC operates by switching AC loads based on a DC input signal. When a low voltage DC voltage is applied to the input, it activates a semiconductor switch, allowing current to flow through the AC load. This design provides a fast, noise-free switching action, making it ideal for sensitive applications like lighting control, heating elements, and industrial machines.
  • 題: Can the ESSR-40DAC Relay be used with various AC voltages?

    回答: Yes, the ESSR-40DAC is versatile and can work with a range of AC voltages (typically from 24V to 280V). This versatility allows it to be integrated into different systems across various industries, whether you're controlling appliances, heating systems, or industrial equipment, adapting it to your specific voltage requirements.
  • 題: What are common applications for the ESSR-40DAC Solid State Relay?

    回答: Common applications for the ESSR-40DAC include controlling AC motors, heating elements, and other heavy appliances. Its solid-state design makes it perfect for applications requiring fast switching without mechanical wear, making it a go-to choice in automation, HVAC systems, and temperature control in industrial processes.
  • 題: Is heat dissipation a concern with the ESSR-40DAC Relay?

    回答: Yes, while the ESSR-40DAC is designed for high efficiency, proper heat dissipation should always be considered. It’s recommended to use heat sinks or ensure adequate airflow around the relay to prevent overheating, particularly when operating near its load capacity. This will enhance longevity and maintain stable performance in your applications.
  • 題: Does the ESSR-40DAC require any special mounting procedures?

    回答: The ESSR-40DAC typically requires secure mounting to ensure proper heat dissipation and operational stability. It can be mounted on a solid surface with sufficient airflow. Using appropriate standoffs or heat sinks can further improve performance by preventing overheating in high-load scenarios, making it essential for ensuring longevity and reliability.
  • 題: Can I integrate the ESSR-40DAC into a microcontroller setup?

    回答: Absolutely! The ESSR-40DAC is ideal for integration with microcontrollers. Its DC control signal aligns perfectly with many microcontroller output types, allowing you to control AC loads seamlessly. This makes it popular in DIY automation projects and smart home setups, providing a straightforward interface for switching high-power devices.
  • 題: What are the electrical specifications for the ESSR-40DAC Relay?

    回答: The ESSR-40DAC has specific electrical specifications that include a load current of 40 amps and an input DC voltage range of 3-32V, with an isolation voltage rating of 2500V. Understanding these specifications is crucial for integration into your projects, ensuring compatibility with your existing systems and preventing potential overloads.
  • 題: What safety features does the ESSR-40DAC include?

    回答: The ESSR-40DAC Solid State Relay features built-in optical isolation to prevent high voltage from affecting control circuits. This is important for protecting sensitive components in your system. Additionally, its robust construction helps in providing durability and resistance against electrical surges, making it a safe choice for high-power applications.
  • 題: Where can I buy the ESSR-40DAC Solid State Relay in Hong Kong?

    回答: You can buy the ESSR-40DAC Solid State Relay in Hong Kong at Ubuy. They offer a comprehensive selection of electronic components, including solid state relays. Ubuy is known for its reliable service and wide range of products, making it a convenient choice for your purchasing needs.

Lightobject Solid State Relays Editorial Review

The ESSR-40DAC Solid State Relay has garnered mixed reviews from customers, who highlight its effectiveness in various applications while also cautioning against its limitations. Many users appreciate the product's functionality and versatility, especially in DIY projects, such as controlling heating elements in brewing setups or temperature elements using Arduino. However, the importance of proper installation and cooling is emphasized Consistently throughout the feedback, with users noting that a heat sink and ventilation are crucial for optimum performance. While some customers successfully used the relay for extended periods without issues, others faced malfunctioning under specific conditions, such as high ambient temperatures or inappropriate load management. A significant point of contention is the relay's tendency to overheat when operated near its maximum rated loads, especially if adequately cooled. Additionally, some users have expressed dissatisfaction regarding a lack of included instructions for proper wiring and usage, which is necessary for those unfamiliar with solid state relays. Overall, the ESSR-40DAC is viewed as a reasonably priced product that can serve well in various applications if handled with caution and proper environmental management. The mixed results indicate that potential buyers should do thorough research on installation and usage guidelines to ensure a reliable performance. **

Customer Reviews & Ratings

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優點

  • Effective for controlling heating elements and small appliances.
  • Good value for hobbyists and DIY projects.
  • Compatible with Arduino and other microcontrollers.
  • Generally reliable when properly installed and cooled.

缺點

  • Some users experienced malfunctioning when not properly installed.

Platform Trust & Buyer Confidence

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3.9/5 90 + reviews
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Sam
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“Great product, good packing, the goods arrived quickly and well protected.”

6 Jun 2026 · via Trustpilot
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“Great products and services”

17 April 2026 · via Trustpilot
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“Good market place with decent prices”

8 October 2025 · via Trustpilot
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“whatever you want you will get delivered at reasonable pricing. I am a regular customer.”

18 Mar 2025 · via Trustpilot
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Henry
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“I've had a wonderful experience shopping with UBUY Hong Kong. The customer service is outstanding, and my orders always arrive on time. Very satisfied with their services!”

2 Jun 2024 · via Trustpilot
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HKD 172

現在訂購，約可在下列時間收貨： Sunday, 七月 26

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特色和優勢

  • Operates on a wide voltage range: 3V-32V DC.
  • Controls AC current up to 40A for efficient performance.
  • Compact size: 2.5in x 1.8in x 1in for versatile installation.
  • Durable design with no mechanical movement for longevity.
  • Minimizes signal noise for a smooth operation.
  • Perfect for a variety of applications including heaters and kilns.

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