QPH6176 TECLEDSN Pin Relay

Review TECLEDSN Pin 12v 30a Multi-purpose Automotive Relay

The Tecledragon QPH6176 is a versatile 12V DC multi-purpose relay with an operating voltage range of 10-15V DC and a maximum current capacity of 30A. This heavy-duty relay is designed to handle various automotive, industrial, and home automation applications.

The QPH6176 features a compact size of 35mm x 22.5mm x 12.5mm, making it suitable for space-constrained installations. The relay comes with a built-in coil and a normally open (NO) contact configuration, allowing the switching of loads up to the specified current capacity.

The contact rating of the relay is 500V AC, ensuring reliability and durability even in high-voltage applications. The relay's switch is mechanically operated, providing a robust and reliable switching mechanism, while its electrical contacts are made from gold-plated materials, ensuring excellent conductivity and long-term reliability.

The QPH6176 is designed with a high-temperature insulation material, allowing it to operate in environments with temperatures ranging from -40 C to 85 C. The relay also comes with a clear silicone boot, which not only protects the contacts from dust and moisture but also enhances the overall aesthetics of the product.

The relay features a removable terminal block, allowing for easy wiring and installation. The terminal block has four terminals: two for the NO contacts and two for the coil. The coil terminals are color-coded for easy identification, with the common terminal marked as "C" and the NO terminal marked as "NO."

The QPH6176 is a reliable and efficient solution for various switching applications, offering a low contact bounce rate, quick response time, and a long service life. The relay comes with a 1-year manufacturer's warranty, providing peace of mind and protection against any manufacturing defects or malfunctions.

The Teclessan QPH6176 is a 12V 30A multi-purpose relay with opto-isolated protection. This type of relay is commonly used in various automation and control applications to switch high current circuits while maintaining electrical isolation between the control and load circuits. Here are some pros and cons of purchasing this relay:

1. Opto-isolated design: This ensures electrical isolation between the control and load circuits, which is essential in many applications to prevent electrical noise and interference.

2. Wide operating voltage range: The relay can operate with a voltage range of 10V-35V DC, making it suitable for use in various systems.

3. High current capacity: With a maximum current rating of 30A, this relay can handle heavy loads.

4. Compact size: The relay is relatively small and compact, making it easy to install in tight spaces.

5. Reversible contacts: The relay has reversible contacts, which means that the polarity of the load can be changed by swapping the positions of the NO and COM terminals.

1. Manual operation: This relay does not have built-in coil overvoltage protection, which means that it may not be suitable for applications where the voltage spikes above the rated voltage. In such cases, a coil protection diode or a separate overvoltage protection circuit may be required.

2. Limited coil resistance: The relay coil has a resistance of 345 , which may not be suitable for all applications. For example, if a low-voltage control circuit is used, a coil with a lower resistance may be required to ensure proper relay operation.

3. Not suitable for AC applications: This relay is designed for DC applications only, and cannot be used to switch AC loads.

4. Requires external diode for coil protection: As mentioned earlier, this relay does not have built-in coil overvoltage protection, so an external diode is required to protect the coil from voltage spikes.

In conclusion, the Teclessan QPH6176 12V 30A multi-purpose relay is a versatile and reliable component for various automation and control applications. Its opto-isolated design, wide operating voltage range, and high current capacity make it an excellent choice for many applications. However, its lack of coil overvoltage protection and the requirement for an external diode for coil protection may be drawbacks for some users.

If you are looking for a reliable and cost-effective multi-purpose relay with opto-isolation and a high current capacity, the Teclessan QPH6176 is a good choice. However, if you require coil overvoltage protection or are working with AC loads, you may need to consider alternative options.

Details:

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specifications genpurrelays:

• brand: Tecledsn
• mpn: Qph6176
• part type: Pin
• included components: Multi-purpose Automotive Relay
• measurement system: Metric
• contact material: Copper
• contact type: Normally Open
• specification met: Ccc
• connector type: Plug-in
• input voltage: 12.0
• current rating: 30.0
• color: 4pcs
• operation mode: Automatic
• mounting type: Through Hole Mount
• package dimensions lxwxh: 4.72x3.15x0.59 Inches
• weight: 0.17 Pounds

offer genpurrelays:

• started: december 23, 2025
• availability: in stock
• options: ship-to-home
• prices: $14.60–$19.91
• item condition: New
• in stock #: 2
• sold #: 11

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• category: Business & Industrial > Electrical Equipment Supplies > General Purpose Relays

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