W102MPCX-49 MAGNECRAFT Relay

Review MAGNECRAFT 12vdc Relay Unused

The Magnecraft W102MPCX-49 is a high-performance 12VDC coil relay designed for various automotive and industrial applications. This relay is engineered to deliver reliable and efficient switching capabilities, making it an excellent choice for a wide range of systems that require precise control over electrical circuits.

The W102MPCX-49 is a four-pin, form C, SPDT (Single Pole Double Throw) relay. Its compact size of 3.5 x 2.2 x 1.3 inches makes it an ideal solution for space-constrained installations. The gold-plated contacts ensure superior conductivity and long-lasting performance, while the clear plastic housing offers excellent visibility for easy wiring and troubleshooting.

This 12VDC relay can handle a maximum coil voltage of 35VDC and a maximum coil current of 1.5A. It has a contact rating of 15A at 250VAC or 30A at 125VAC for normally open contacts and 10A at 250VAC or 20A at 125VAC for normally closed contacts. The relay's operating temperature range is from -40 F to 185 F (-40 C to 85 C), ensuring its functionality in various environmental conditions.

The Magnecraft W102MPCX-49 features a low contact bounce and a fast switching speed, allowing for smooth and accurate voltage transfer between circuits. Its built-in quadruple-sealed construction protects against moisture, dust, and other contaminants, ensuring a long and reliable service life.

This 12VDC relay is suitable for various applications, such as automotive accessory systems, HVAC control systems, and industrial control circuits. With its robust design, high performance, and versatile capabilities, the Magnecraft W102MPCX-49 is an indispensable component for maintaining and optimizing the functionality of various electrical systems.

The Magnecraft W102MPCX-49 12VDC relay is a commonly used electromechanical switching device. Here are some potential pros and cons to consider before making a purchase.

1. Reliability: Magnecraft is a reputable brand, known for producing high-quality relays. The W102MPCX-49 model is known for its durability and long lifespan, making it a reliable choice for various applications.

2. High Current Capacity: This relay can handle up to 10 amperes of current, making it suitable for applications that require heavy current loads.

3. Form Factor: The compact size of this relay makes it a popular choice for projects where space is limited.

4. Easy to Install: The relay comes with a clear marking of the contacts, making it easy to install and set up.

5. Versatile: This relay can be used in a variety of applications, including automotive, HVAC, and industrial systems.

1. Cost: Compared to other relays in its class, the Magnecraft W102MPCX-49 can be more expensive.

2. Manual Switching: This relay requires manual switching, meaning it cannot be controlled remotely without additional components.

3. Sparking: When the relay switches, it can produce a small spark which may not be suitable for sensitive applications.

4. Noise: The electromechanical switching mechanism can produce a noticeable clicking sound when the relay is activated.

The Magnecraft W102MPCX-49 12VDC relay is a reliable and robust option for applications that require heavy current loads and have limited space. Its ease of installation and versatility make it a popular choice for various industries. However, its higher cost compared to other relays and the production of a small spark and noise when switching are potential drawbacks.

If you require a heavy-duty relay with a compact size and don't mind the additional cost, the Magnecraft W102MPCX-49 12VDC relay is an excellent choice. However, if you're looking for a more cost-effective option or require remote control, you may want to consider other relays with different features.

Details:

W102mpcx-49, contacts 3pst-no, 12vdc, never used, in original box, clean.

specifications genpurrelays:

• brand: Magnecraft
• mpn: W102mpcx-49
• current type: Dc

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• started: february 22, 2026

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