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Item #:
32885774
DPST 1NO 1NC 8Amp Latching Relay Module (DC 5V)
Item #:
32885774
XAF 19903
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Order now and get it around Thursday, August 20
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This latching relay has power-off memory and supports three input control modes.
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What Stands Out
Latching Functionality
This relay module retains its state even after power loss, reducing energy consumption and enhancing reliability in applications that require maintaining status over time.
Dual Contact Design
With both Normally Open (NO) and Normally Closed (NC) contacts, this module provides versatile control options, making it suitable for a wide range of circuit applications.
High Current Rating
Rated for 8Amps, the relay module can handle substantial loads, ensuring performance efficiency and reliability for various high-power applications without the risk of overheating.
Product Details
| Connector Type | Screw |
| Contact Type | 1no 1nc |
| Current Rating | 8 A |
| Mounting Type | Screw Mount |
| Operation Mode | Off |
| Wattage | 40 watts |
| Coil Voltage | 5 volts |
| Contact Current Rating | 8 A |
| Maximum Switching Current | 8 A |
| Minimum Switching Voltage | 5 volts_of_direct_current |
| Brand Name | OONO |
| Unit Count | 1 Count |
| Manufacturer | CZH-LABS |
| Model | F-1030 Series |
| Part Number | F-1030 Series |
| Contact Material | Silver Alloy |
| Item Weight | 0.3 lbs (140 grams) |
Who Should Buy?
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DIY Electronics Hobbyists
Ideal for hobbyists looking to control devices with low voltages using a reliable switching mechanism.
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Automation Projects
Suitable for various automation projects that require effective switching in smart home or industrial setups.
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Arduino Users
Perfect for Arduino users needing a latching relay to manage high-power loads in their projects.
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High Voltage Applications
Not suitable for applications requiring higher voltage ratings beyond the module's 5V specification.
Product Description
DPST 1NO 1NC 8Amp Latching Relay Module (DC 5V)
Have any Query? Chat with us
Customer Questions & Answers
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Question:
What is a DPST 1NO 1NC latching relay module?
Answer: A DPST (Double Pole Single Throw) 1NO (One Normally Open) 1NC (One Normally Closed) latching relay module is an electrical component used to control high-power devices using a low-power signal. This type of relay can switch circuits on and off without needing continuous power, making it energy-efficient. It is commonly used in applications like automation systems, DIY electronics projects, and remote control devices, allowing users to operate lights, motors, and other equipment reliably. -
Question:
How does a latching relay work?
Answer: A latching relay maintains its position after the triggering signal is removed. This means that when activated, it will stay switched on until it receives a second signal to turn off. This characteristic is beneficial for low-power control applications, as it reduces energy consumption since it doesn't require a constant input to maintain the circuit. Practical uses include smart home systems, where you can control devices remotely without having to keep pressing buttons or switches. -
Question:
What are the main features of the DPST 1NO 1NC latching relay module?
Answer: The main features of the DPST 1NO 1NC latching relay module include its ability to handle loads up to 8Amps at 5V DC, two independent circuits for flexibility, and the simple integration into microcontroller projects such as Arduino or Raspberry Pi. This versatility makes it ideal for various automation tasks, such as turning on multiple devices with a single command or implementing safety features during device operation. -
Question:
What applications are ideal for using a DPST latching relay?
Answer: DPST latching relays are suitable for various applications, including home automation projects, industrial controls, and smart home devices. They can be used to operate various loads such as lights, heaters, or motors, allowing users to create on/off control systems without constant power consumption. For instance, in home automation, you can set up remote control options for lights or appliances, ensuring energy-efficient management. -
Question:
How can I connect a DPST 1NO 1NC relay module to my microcontroller?
Answer: To connect the DPST 1NO 1NC relay module to a microcontroller, follow these steps: connect the trigger pins to a digital output pin on the microcontroller, then connect the common terminals to your load. Make sure to provide appropriate power to the module, typically at 5V DC. This setup allows the microcontroller to control high-voltage devices while safeguarding its components against high currents. This configuration is widely used in DIY electronic projects and robotics. -
Question:
Are DPST latching relays easy to integrate with Arduino?
Answer: Yes, integrating a DPST latching relay with Arduino is straightforward. By using a few jumper wires, a simple code snippet, and the relay's trigger pins, users can easily manage multiple outputs from their Arduino. This is particularly useful for creating complex automation systems, such as lighting controls or motorized appliances, allowing for efficient control without constant power needs. With libraries available specifically for Arduino, setup and coding become even easier. -
Question:
What safety precautions should I take while using latching relays?
Answer: When using latching relays, ensure that the load does not exceed the relay's power rating and always use appropriate fuses for protection. It's important to isolate the high and low voltage sections of your circuit to prevent damage and hazards. Additionally, proper grounding and following installation guidelines will enhance safety and reliability, which is critical in applications such as home automation or industrial systems. -
Question:
Can I control multiple devices with one DPST latching relay?
Answer: Yes, a DPST latching relay can control multiple devices concurrently because it has two independent switches. By wiring different devices to the relays' outputs, you can operate them simultaneously. This flexibility is beneficial for building automation solutions where multiple appliances need to be controlled through a singular interface, improving the overall efficiency of your system. -
Question:
Do I need additional components to use the relay with my project?
Answer: Typically, you might need additional components depending on your project requirements, such as resistors, diodes for flyback protection, and potentially a transistor to drive the relay if your microcontroller's output can't handle the relay coil's current. Additionally, using a power supply that meets the relay's voltage requirements ensures proper operation. These components will help ensure a smooth functioning of your project's relay system. -
Question:
Where can I buy DPST 1NO 1NC 8Amp Latching Relay Module DC 5V?
Answer: You can buy the DPST 1NO 1NC 8Amp Latching Relay Module DC 5V from Ubuy. Ubuy offers a wide range of electronic components, including various relay modules, making it a reliable choice for sourcing the right components for your projects.
OONO Electromechanical Relays Editorial Review
The latching relay module is designed for DC power sources and can be switched from the negative (ground) side to latch or unlatch the module. It remembers the previous state on power loss but can be modified to reset on start-up. Multiple momentary set and reset switch pairs wired in parallel can control the module. It comes with a protection diode across the relay coil. Customer reviews have been mixed. Some are disappointed as the product arrived broken/faulty or didn't work, and no directions were included. Others have had success with the product, and it does what it's supposed to do. One review mentioned that they had to add a resistor transistor circuit to reverse the incoming trigger as it needs a negative trigger, and they needed to use +5V. Another review stated that no quiescent current draws, and it works great. Overall, the module is compact, and the pigtail wires are better than the cheap knock-off connectors.
Customer Reviews & Ratings
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Pros
- Can be controlled by multiple momentary set and reset switch pairs wired in parallel.
- Comes with a protection diode across the relay coil.
- Draws no current after initial set-reset pulse.
- Small and compact.
Cons
- Mixed reviews.
Platform Trust & Buyer Confidence
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“Excellent quality and original too,when ubuy send original things I will appreciate that ,I very satisfied thank you”
23 July 2026 · via Trustpilot
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23 July 2026 · via Trustpilot
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XAF 19903
Order now and get it around Thursday, August 20
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Features & Benefits
- Power-off memory for maintaining output switch status
- Supports both Normally Open and Normally Close modes
- Compact plastic case, with screws for easy mount
- Supports three input control modes
- Operating voltage versions available for DC 5V, 12V and 24V
- Rated current 8A/250VAC or 8A/30VDC for one switch.
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