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Item #:
81815864
BNT31 Multifunction Timer Relay with 10 Functions Din Rail Mount Delay Relay AC DC 12V-240V
87% of respondents would recommend this to a friend
Item #:
81815864
BND 57
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Imported from USA store
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Order now and get it around Wednesday, September 23
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What Stands Out
Versatile Functions
Offers 10 programmable functions, allowing users to customize timing operations for various applications, enhancing flexibility and efficiency.
Wide Voltage Range
Compatible with AC/DC inputs from 12V to 240V, ensuring functionality across diverse systems and eliminating the need for multiple relays.
Easy Installation
Designed for Din rail mounting, simplifying installation and saving space in electrical panels while ensuring reliable performance in a compact format.
Product Details
| Brand Name | Good BNTai |
| UPC | 751717639280 |
| Unit Count | 1 Count |
| Manufacturer | Wenzhou Bentai Electrical Co., Ltd |
| Number of Items | 1 |
| Model Number | 751717639280 |
| Manufacturer Part Number | BNT31 |
| Color | White |
| Material Type | Metal |
| Number of settings | 10 |
| Screen Size | 18 millimeters |
| Brand | Good BNTai |
| Material | Metal |
| Item Weight | 0.5 lbs (230 grams) |
Who Should Buy?
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Automated Lighting
Ideal for users needing timed control of lighting systems, enhancing energy efficiency and convenience in various settings.
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Industrial Automation
Perfect for factories requiring precise timing sequences for machinery operations to boost productivity and reduce downtimes.
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HVAC Systems
Beneficial for heating and cooling setups that demand scheduled cycles for optimal energy use and climate control.
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Basic Users
Not suitable for individuals without technical skills, as setup and programming may be complex without proper understanding.
Product Description
Have any Query? Chat with us
Customer Questions & Answers
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Question:
What are the key features of the BNT31 Multifunction Timer Relay?
Answer: The BNT31 Multifunction Timer Relay offers 10 diverse timing functions including delay on, delay off, and repeat cycles, making it incredibly versatile for various applications. It operates on a wide voltage range of AC/DC 12V-240V, which ensures compatibility with most electrical systems. This is particularly useful in environments where different voltages may be present, such as industrial settings or complex home automation systems. -
Question:
How do I install the BNT31 Timer Relay?
Answer: Installing the BNT31 Timer Relay is a straightforward process designed for Din Rail mounting. Simply follow the wiring diagram in the manual to connect the power supply and load correctly. It is advisable to ensure that the power is turned off during installation. This timer is ideal for applications like automatic lighting control, irrigation systems, or HVAC systems where precise timing is essential. -
Question:
Is the BNT31 Relay suitable for outdoor use?
Answer: While the BNT31 Multifunction Timer Relay is designed for robust performance, it is important to use it in an environment that is not exposed to direct moisture or extreme temperatures. Installing it in a weatherproof enclosure can help if you plan to use it outdoors. This is particularly beneficial in agricultural applications where outdoor timing control is necessary for irrigation systems. -
Question:
What can I use the BNT31 Timer Relay for?
Answer: The BNT31 Timer Relay is versatile and can be used in various applications, including controlling lighting systems, heating timers, motor control, and more. For instance, if you want to automate your home lighting to turn on and off at specific times, this relay can manage that effortlessly. It's also useful in industrial automation for controlling machinery sequences effectively. -
Question:
What is the difference between delay on and delay off functions?
Answer: The delay on function ensures that the output activates after a set period of time once power is applied, perfect for applications like lights in walkways. Conversely, the delay off function keeps the output active for a set duration after power is removed, which can be useful for ensuring motors or pumps stop safely. Understanding both can help you choose the correct function for your specific timing needs. -
Question:
Can the BNT31 Timer Relay be used for both AC and DC applications?
Answer: Yes, the BNT31 Timer Relay is designed to work with both AC and DC voltage inputs ranging from 12V to 240V. This dual functionality makes it adaptable for various scenarios, from battery-powered devices to standard mains electricity applications. This flexibility is particularly useful in mixed voltage environments or when integrating into different system types. -
Question:
How do you choose the correct timing function on the BNT31?
Answer: Choosing the correct timing function on the BNT31 involves understanding your specific requirements. The relay features a selector switch and an easy-to-follow user manual that describes each function. Depending on whether you need a momentary activation or repeated cycles for a device, you can select the appropriate function. For example, for irrigation systems, a timer that allows for repeated cycles can optimize water usage. -
Question:
Is there a specific temperature range for the BNT31 Relay's operation?
Answer: The BNT31 Multifunction Timer Relay operates optimally within a standard temperature range, generally between -10°C to 50°C. This range is ideal for most indoor applications. However, for outdoor use, it's important to ensure the relay is protected from extreme conditions to maintain its performance. For instance, using it in HVAC systems typically fits well within these parameters. -
Question:
Do I need any special tools to program the BNT31 Timer Relay?
Answer: Programming the BNT31 Timer Relay typically requires no special tools, just a basic screwdriver for wiring and a simple understanding of the operational functions. Users can easily navigate programming settings with the built-in selector and manual. For example, if you need to set a delay for a garden sprinkler system, it can be done quickly with clear step-by-step instructions provided in the manual. -
Question:
Where can I buy the BNT31 Multifunction Timer Relay?
Answer: You can purchase the BNT31 Multifunction Timer Relay through Ubuy, a reliable online platform where you can find a wide selection of electronic components. Ubuy offers various shipping options, ensuring that the relay reaches you efficiently. Their user-friendly interface allows you to browse products easily and find additional components you may need for your projects.
Good BNTai Timers 751717639280 Editorial Review
The BNT31 Multifunction Timer Relay has received overwhelmingly positive feedback from customers who appreciate its versatility and precision in timing applications. Users have noted that the timer relay's compact design allows for minimal space Consumption on DIN rails, making it an ideal choice for crowded electrical cabinets and complex wiring setups. The ability to utilize various timing functions—ranging from time delays to intricate sequences for DIY projects—has been highlighted as a major benefit. Customers have reported using it effectively in applications such as water pump control, ensuring that equipment doesn’t overwork and get damaged in the event of a malfunction. The relay’s functionality has been praised, with many users finding the timing to be exceptionally accurate and the power management conducive to a range of scenarios. One standout feature is its broad voltage compatibility, which extends from 12V to 240V, making it usable across various settings. Customers also appreciate the user-friendly setup, noting that it simplifies complex wiring tasks and enhances their projects' reliability. Although the product performs well, a few users have mentioned the confusing nature of the timer dial configuration, which separates the timing and percentage adjustments. However, the main Consensus is that this is a small drawback in an otherwise stellar product. Additionally, the dual indicator lights for power and trigger status have been commended for improving usability during operation. Overall, the BNT31 Multifunction Timer Relay has proven to be an excellent buy for hobbyists and professionals alike, thanks to its multifunctionality, reliability, and space efficiency. **
Customer Reviews & Ratings
14 customers ratings
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5 Star
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4 Star
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1 Star
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Pros
- Compact design for easy DIN rail mounting.
- Versatile with 10 timing options (0.1s to 10 days).
- Accurate timing functionality across various modes.
- Wide voltage range (12V-240V) for diverse applications.
- Dual indicator lights enhance usability.
- Simplifies complex wiring needs.
Cons
- Timer dial configuration can be confusing (separation of time and percentage adjustments).
Platform Trust & Buyer Confidence
JK
Jasmin
Verified buyer
“Great products and very good service: very easy and very fast international delivery.”
9 September 2026 · via Trustpilot
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Anke
Verified buyer
“Wonderful online shopping experience, smooth transaction from the start. Payment method works conveniently and delivery is unexpectedly fast and reliable. You go the extra mile for service. What makes this even more amazing, you deliver to Namibia. I will remain a happy Ubuy customer and will increase my purchases for sure! Thank you!”
10 September 2026 · via Trustpilot
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Hazel
Verified buyer
“Very easy to find the products what you need, and so fast delivery, that’s why I highly recommended to others costumers to used ubuy.”
10 September 2026 · via Trustpilot
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Opaleye
Verified buyer
“I received exactly what I ordered I was skeptical about your site because that was my first time to order. But the order came timely and neatly packaged. I was not disappointed. Thank you.”
11 September 2026 · via Trustpilot
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Adele
Verified buyer
“Easy to find and order what you want on the website. Delivery is quick to the UK”
8 September 2026 · via Trustpilot
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BND 57
Order now and get it around Wednesday, September 23
This item is not restrict in my country.(Please click on above link if this item is not restrict in your country, So our team will review and allow.)
QTY:
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Features & Benefits
- 10 special functions for precise control.
- Time range from 0.1s to 10 days in 10 ranges.
- Relay status indicated by LED.
- Ultra-small size at only 18mm width.
- Convenient rail mounting at 35mm.
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