ZHXNBNMLHG
0 ratings
Relay Module 3SK1211-1BB40 3SK1211-2BB40 3SK1211-1BW20 Original(3SK1211-2BB40)
genuine image
Relay Module 3SK1211-1BB40 3SK1211-2BB40 3SK1211-1BW20 Original(3SK1211-2BB40)
Enhance safety with our Relay Module, providing electrical isolation for reliable automation control.
Relay Module 3SK1211-1BB40 3SK1211-2BB40 3SK1211-1BW20 Original(3SK1211-2BB40)
Item #: 170347785

Relay Module 3SK1211-1BB40 3SK1211-2BB40 3SK1211-1BW20 Original(3SK1211-2BB40)

Item #: 170347785
0 ratings Write a review
Out of stock
us Imported from USA store
Secured transactionsecured transaction

Ubuy works hard to protect your security and privacy. Our advanced payment security system ensures confidentiality by encrypting your information during transmission using AES (Advanced Encryption Standards) and SSL (Secure Socket Layer) protocols. Your payment details are 100% secure as we do not share your payment details with third party sellers.

Our Top Logistics Partners
  • fedex
  • dhl
Enhance safety with our Relay Module, providing electrical isolation for reliable automation control.
Search for similar products
U-Care Warranty:
None
Select a Plan
fast shipping

Fast
Shipping

free return

Free
Return*

secure packaging

Secure Packaging

100% original products

100% Original Products

pci-dss

PCI DSS Compliance

iso certified

ISO 27001 Certified

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

What Stands Out

Versatile Protection
Offers comprehensive safety features for electrical systems, ensuring efficient fault tolerance and overload protection, suitable for various industrial applications.
Compact Design
Space-saving design minimizes installation footprint, making it ideal for tight spaces while maintaining high performance, perfect for modern control panels.
Easy Integration
Seamlessly integrates with existing systems, reducing setup time and costs, allowing for quick adaptations in diverse industrial environments.

Product Details

Shop Relay Module 3SK1211-1BB40 3SK1211-2BB40 3SK1211-1BW20 Original(3SK1211-2BB40) online at a best price in Rwanda. B0FMJFSN71
Item Weight1 lbs (450 grams)

Who Should Buy?

Suitable For
  • Automation Engineers

    Ideal for engineers setting up automated systems, providing reliable switching for various control applications.

  • DIY Electronics Enthusiasts

    Great for hobbyists looking to control high voltage devices safely and efficiently using a relay module.

  • Industrial Applications

    Suitable for use in industrial settings where robust relay switching is required for machinery control.

Not Suitable For
  • Basic Home Users

    Not ideal for average home users without technical knowledge who may struggle with installation.

Product Description

Relay Module 3SK1211-1BB40 3SK1211-2BB40 3SK1211-1BW20 Original(3SK1211-2BB40)

Have any Query? Chat with us

Customer Questions & Answers

  • Question: What is the Relay Module 3SK1211-1BB40 used for?

    Answer: The Relay Module 3SK1211-1BB40 is primarily used to control electrical devices through low-power signals. This makes it ideal for applications in automation systems, including industrial machinery and smart home devices. By using the relay, users can remotely activate or deactivate tools and appliances, enhancing efficiency and safety.
  • Question: How does the Relay Module 3SK1211-2BB40 function?

    Answer: The Relay Module 3SK1211-2BB40 operates by receiving a low voltage input signal which activates the relay's electromagnet. This switch then opens or closes a circuit, allowing for control over larger voltages and currents. It's commonly used in applications where precise control of equipment is necessary, like in robotics or HVAC systems.
  • Question: What are the key specifications of the Relay Module 3SK1211-1BW20?

    Answer: The Relay Module 3SK1211-1BW20 typically features specifications such as a coil voltage rating, contact configuration, and maximum load current. These specifications are vital for users to match the relay with their project requirements, ensuring optimal performance in various automation and control scenarios.
  • Question: Can the Relay Module 3SK1211 series be used in automotive applications?

    Answer: Yes, the Relay Module 3SK1211 series is suitable for automotive applications, such as controlling lights, motors, and other electrical accessories in vehicles. Its ability to handle high current loads while operating on low voltage fits well within automotive systems which require reliable and efficient control.
  • Question: What is the difference between 3SK1211-1BB40 and 3SK1211-2BB40?

    Answer: The main difference lies in their electrical specifications, such as coil voltage and contact configurations. The 3SK1211-1BB40 is designed for specific scenarios that may involve lower loads, while the 3SK1211-2BB40 offers higher load capabilities. Users must consider these specifications based on their application needs.
  • Question: Is the Relay Module 3SK1211-2BB40 compatible with Arduino?

    Answer: Yes, the Relay Module 3SK1211-2BB40 can be seamlessly integrated with Arduino projects. By interfacing the relay with the microcontroller, users can easily control appliances and various devices. This combination is often found in home automation setups, allowing users to build innovative solutions with minimal coding.
  • Question: What are common applications for Relay Module 3SK1211-1BW20?

    Answer: Common applications for the Relay Module 3SK1211-1BW20 include automation in HVAC systems, controlling lights in smart homes, and integrating safety systems in industrial settings. Its versatility allows it to function in diverse scenarios, ensuring that users can streamline operations across different environments.
  • Question: How can I connect the Relay Module 3SK1211-1BB40 to a circuit?

    Answer: Connecting the Relay Module 3SK1211-1BB40 to a circuit involves linking its input pins to your control source, such as a microcontroller or switch, and wiring the output to the load you want to control. Proper wiring ensures that the relay activates at the right time, allowing users to manage their devices effectively.
  • Question: What safety features are present in the Relay Module 3SK1211 series?

    Answer: The Relay Module 3SK1211 series is equipped with features like built-in flyback diodes for protection against voltage spikes and isolators to prevent electrical feedback. These safety measures ensure that both the relay and connected devices remain safe, prolonging equipment life and stability during operation.
  • Question: Where can I buy Relay Module 3SK1211-1BB40 3SK1211-2BB40 3SK1211-1BW20 in Rwanda?

    Answer: You can purchase the Relay Module 3SK1211-1BB40, 3SK1211-2BB40, and 3SK1211-1BW20 from Ubuy in Rwanda. Ubuy offers a variety of electronic components and provides a user-friendly shopping experience, ensuring you can easily find and obtain the products you need for your projects.

ZHXNBNMLHG Relays Editorial Review

No editorial reviews found

Customer Reviews & Ratings

5.0
1 customers ratings
  • 5 Star
    100%
  • 4 Star
    0%
  • 3 Star
    0%
  • 2 Star
    0%
  • 1 Star
    0%

Review this product

Share your thoughts with other customers

Platform Trust & Buyer Confidence

trustpilot logo
4.3/5 9200 + reviews
Read reviews
MA
Mohammad
Verified buyer

“Excellent quality and original too,when ubuy send original things I will appreciate that ,I very satisfied thank you”

23 July 2026 · via Trustpilot
CK
Chitra
Verified buyer

“The order and delivery progress was communicated very well. Package arrived within the estimated time. Products arrived as expected in good condition.”

22-Jul-26 · via Trustpilot
K
kund
Verified buyer

“Good supply of products. Safe payment methods, and shipment worldwide! Genuine products.”

23-Jul-26 · via Trustpilot
OO
Onesi
Verified buyer

“Was my first time buying a product from Ubuy, but I found it so helpful. This is reliable. Gonna place a new order!”

22 July 2026 · via Trustpilot
SJ
SAO JOHN
Verified buyer

“Ubuy is a great online platform to buy stuff. Reliable, fast delivery time and great value for money. I've been using Ubuy online shopping platform for three years now and will continue to do so.”

23 July 2026 · via Trustpilot
Secure Checkout Global Delivery Easy Returns Genuine Products

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.
  • Not all the products listed on Ubuy are for sale, as Ubuy is a global search engine. Products are subject to export/trade regulations.

Currently unavailable.

We don't know when or if this item will be back in stock.

Secured transactionsecured transaction

PCI DSS compliant and ISO 27001:2022 certified, with encrypted payments and full buyer protection on every order.

Our Top Logistics Partners
  • fedex
  • dhl
Fastest cross-border delivery

Features & Benefits

  • Original Basic components for automation.
  • Wide application compatibility including home appliances and industrial control.
  • Electrical isolation protection for enhanced safety.
  • Strong and weak electrical isolators.
  • Isolates low-voltage control circuits from high-voltage loads.
  • Perfect for building automatic control systems.

Ubuy Assurance

Experience worry-free shopping with 100% original products, PCI DSS-compliant payment security, ISO 27001-certified data protection, the fastest cross-border delivery, free returns *, and secure packaging on every order.