KV-B8RC KEYENCE Relay Unit Fnob

Review KEYENCE Relay Output Unit Fnob

The Keyence KV-B8RC is a versatile and reliable AC-operated relay unit designed for various automation applications. This compact and robust device measures only 24.5mm in width and 50mm in length, making it an ideal choice for space-constrained installations.

The KV-B8RC comes with eight normally open (NO) relays, each capable of handling a maximum AC current of 1 A and a voltage of 250 V. The relays offer excellent contact performance, ensuring reliable operation even under heavy load conditions. This makes the KV-B8RC an excellent option for applications such as motor control, lighting systems, or other applications requiring multiple relay outputs.

The relay unit features a user-friendly design, with a clear and concise interface that allows for easy setup and configuration. A backlit LCD display shows the status of each relay, making it easy to monitor the system. The KV-B8RC also supports various communication protocols, including Keyence's proprietary OPC UA and Modbus TCP, allowing seamless integration with various automation systems.

The KV-B8RC is designed for rugged industrial applications, with a sturdy metal housing that protects the relays from harsh environments. The device is also equipped with built-in overvoltage protection and thermal fuses, ensuring safe operation even in the event of power surges or overheating.

In summary, the Keyence KV-B8RC is a high-performance and versatile relay unit, offering eight NO relays, a user-friendly interface, rugged design, and support for various communication protocols. With its compact size, reliable operation, and robust construction, the KV-B8RC is an excellent choice for a wide range of industrial automation applications.

The Keyence KV-B8RC relay unit FNOB is a versatile and compact electromechanical relay designed for use in various automation applications. Below are some pros and cons to help you make an informed decision about purchasing this relay unit.

1. High Reliability: Keyence is known for its high-quality products, and the KV-B8RC relay unit is no exception. It has a long operational life due to its robust design and high-quality components.

2. Compact Size: This relay unit is compact in size, making it ideal for space-constrained applications. It measures only 37.5mm x 34.5mm x 16.5mm, allowing it to be installed in tight spaces.

3. Wide Operating Temperature Range: The KV-B8RC relay unit can operate in temperatures ranging from -20 C to 70 C, making it suitable for use in various industrial environments.

4. Low Power Consumption: This relay unit consumes very little power, making it an energy-efficient option for automation applications.

5. High Load Capacity: The KV-B8RC relay unit can handle a maximum load of 10A at 24V DC, making it suitable for use with various industrial devices.

1. Limited Number of Relay Contacts: This relay unit comes with only one form C normally open and one form C normally closed contact. If you need more contacts, you may need to purchase multiple units or consider a different relay type.

2. Limited Input Voltage Range: The KV-B8RC relay unit can only accept an input voltage range of 5V to 24V DC. If you need a relay unit with a wider input voltage range, you may need to consider a different option.

3. Limited Operating Frequency: This relay unit can only switch at a maximum frequency of 50Hz, which may not be suitable for high-speed applications.

The Keyence KV-B8RC relay unit FNOB is a reliable, compact, and energy-efficient option for automation applications that require a low number of contacts and a wide operating temperature range. Its low power consumption and high load capacity make it a practical choice for various industrial applications. However, its limited number of contacts, input voltage range, and operating frequency may not make it suitable for all applications. If you need a relay unit with more contacts, a wider input voltage range, or a higher operating frequency, you may need to consider a different option.

Based on the pros and cons discussed above, I would recommend the Keyence KV-B8RC relay unit FNOB for automation applications that require a compact size, high reliability, wide operating temperature range, and low power consumption, and can handle the limitations of the number of contacts, input voltage range, and operating frequency. If you have different requirements, you may need to consider a different relay unit type or brand.

Details:

Certificate: ce,ul,c SA. The item has its original packaging but it is not sealed. Keyence KV-B8RC relay output unit manufactured by Keyence. Manufacturer part number: KV-B8RC.

Special instructions. 2-year MRI shield protection plan included. Keyence KV-B8RC relay output unit 8-point screw terminal block, type. Place of origin: japan.

Most items are in stock when they listed. The product must be the original item shipped, with matching serial numbers if applicable. A new, unused item with no signs of wear. Common method: independent.

External connection method: removable terminal block.

specifications genpurrelays:

• brand: Keyence
• mpn: Kv-b8rc
• part type: Unit

seller genpurrelays:

• city: mount sterling, kentucky
• rating: 99.6%
• # reviews: 19600

returns genpurrelays:

• time: 30 days
• paid by: buyer
• policy: returns accepted
• method: money back

offer genpurrelays:

• options: ship-to-home
• in stock #: 5
• availability: in stock
• started: january 17, 2026
• prices: $250.80–$810.00
• item condition:
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  • New
• sold #: 10
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• category: Business & Industrial > Electrical Equipment Supplies > General Purpose Relays

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