K8AK-PM2 OMRON Voltage Monitoring Relay

Review OMRON 3-phase Voltage Monitoring Relay 380-480vac Used

The Omron K8AK-PM2 3-phase voltage monitoring relay is a versatile and advanced electrical component designed for industrial applications. This relay is specifically engineered to monitor and protect 3-phase electrical systems operating within the voltage range of 380 to 480 Volts AC.

The K8AK-PM2 features a compact and robust design, with dimensions of 133.5 mm (W) x 93 mm (H) x 59.5 mm (D), making it suitable for installation in various industrial settings. The relay is constructed using high-quality materials, ensuring durability and reliability even under heavy usage.

The primary function of this relay is to monitor the voltage levels of a 3-phase electrical system. It achieves this by utilizing a voltage transformer that converts the high voltage of the electrical system into a manageable voltage level for the relay's internal circuits. The relay is equipped with an adjustable voltage sensitivity setting, allowing users to customize the voltage threshold for their specific application.

When the monitored voltage falls below or rises above the set threshold, the K8AK-PM2 relay activates the corresponding output contacts. This functionality can be used for various applications, such as activating warning systems, shutting down machinery to prevent damage, or switching to backup power sources.

The K8AK-PM2 is designed to provide a high level of accuracy and sensitivity in monitoring voltage levels. It features a fast response time, ensuring that any voltage anomalies are detected and addressed promptly. The relay also offers a high contact rating, capable of handling up to 10 amps at a maximum operating voltage of 277V AC.

Additionally, the K8AK-PM2 is equipped with a built-in test function, allowing users to easily and safely verify the proper functioning of the relay. This feature simplifies maintenance procedures and helps ensure the reliable operation of the electrical system.

In summary, the Omron K8AK-PM2 3-phase voltage monitoring relay is an essential component for industrial applications that require the monitoring and protection of 3-phase electrical systems. Its advanced features, compact design, and high level of accuracy make it an invaluable tool for maintaining the safe and efficient operation of electrical systems in various industries.

The Omron K8AK-PM2 3-phase voltage monitoring relay is designed for use in industrial applications to monitor and protect equipment from overvoltage conditions. Here are some pros and cons of buying this relay:

1. High precision voltage monitoring: The relay provides accurate and reliable voltage measurement with a high degree of precision, ensuring the protection of sensitive equipment.

2. Wide voltage range: The relay can handle a wide voltage range of 380-480VAC, making it suitable for use in various industrial applications.

3. Built-in overvoltage protection: The relay includes built-in overvoltage protection, which automatically disconnects the load if the voltage exceeds the set limit, preventing damage to the equipment.

4. Easy installation: The relay comes with a plug-in terminal block, which makes it easy to install and connect to the power supply and load.

5. Durable construction: The relay is built with high-quality components and is designed to withstand harsh industrial environments, ensuring long-lasting performance.

1. Higher cost: The Omron K8AK-PM2 relay is more expensive compared to some other voltage monitoring relays in the market.

2. Limited current handling capacity: The relay has a limited current handling capacity of 10A, which may not be sufficient for some industrial applications.

3. Manual reset: The relay requires manual reset after a voltage overload condition, which can be time-consuming and inconvenient in some applications.

The Omron K8AK-PM2 3-phase voltage monitoring relay is a high-quality and precise solution for monitoring and protecting industrial equipment from overvoltage conditions. Its wide voltage range, built-in overvoltage protection, and easy installation make it an attractive option for many applications. However, its higher cost and limited current handling capacity may be a drawback for some users. Ultimately, the decision to buy this relay depends on the specific requirements of your industrial application and your budget.

If you are looking for a reliable and precise voltage monitoring relay for your industrial application, the Omron K8AK-PM2 is a great option to consider. Its high-quality construction, easy installation, and built-in overvoltage protection make it a worthwhile investment. However, if your application requires a higher current handling capacity or a lower cost solution, you may want to explore other options in the market.

Details:

Used out of a running machine I pulled service.

specifications genpurrelays:

• brand: Omron
• mpn: K8ak-pm2
• part type: Voltage
• country of origin: China

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• rating: 100.0%
• # reviews: 83
• city: amory, mississippi

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• best offers: true
• sold #: 9
• started: march 12, 2026
• prices: $26.00–$141.00
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• category: Business & Industrial > Electrical Equipment Supplies > General Purpose Relays