K33-CPA OMRON Relay Board Fnob

Review OMRON Relay Output Board Fnob

The Omron K33-CPA Relay Board is a versatile and reliable solution for controlling electrical circuits in various applications. This board features four normally open (NO) Form C relays, each with a contact rating of 10A at 250V AC or 30V DC. The relays are mechanically operated, ensuring a secure and reliable connection when engaged.

The K33-CPA board comes with built-in coil drivers that support both AC and DC coils. The coil driver for each relay is independently selectable, allowing for flexibility in the choice of coil power source. The board also features an LED indicator for each relay, providing a clear visual confirmation of the relay status.

The Omron K33-CPA Relay Board is designed with a compact size, making it ideal for use in space-constrained environments. It measures 98.4mm x 72mm, and its mounting holes are spaced to fit standard DIN rail mounting systems. The board is also equipped with a removable terminal block, simplifying the wiring process and allowing for easy maintenance.

The K33-CPA is designed to meet the demanding requirements of industrial applications, with a robust construction and a wide operating temperature range of -25 C to 70 C. It is also RoHS compliant, ensuring that it meets the most stringent environmental standards.

The Omron K33-CPA Relay Board is an essential component for automation systems, process control, and other applications that require the reliable switching of electrical circuits. Its compact size, versatile relay options, and easy wiring make it a popular choice among engineers and technicians.

The Omron K33-CPA is a compact and versatile relay board that is often used in DIY projects, automation, and control systems. Here are some pros and cons of buying this relay board:

1. Compact Size: The Omron K33-CPA is a small and compact relay board, making it an ideal choice for projects with limited space.

2. Easy to Use: This relay board is easy to use and comes with a clear and concise user manual. It also has a plug-and-play design, which makes it easy to install and set up.

3. High Reliability: Omron is a well-known brand in the electronics industry, and the K33-CPA relay board is known for its high reliability and durability.

4. Affordable: The Omron K33-CPA is an affordable option compared to other relay boards in the market.

5. Versatile: This relay board can be used in a wide range of applications, including automation, control systems, and home projects.

1. Limited Number of Relays: The Omron K33-CPA comes with only four NO (Normally Open) relays, which may not be sufficient for complex projects that require more relays.

2. No Opto-Isolated Relays: This relay board does not have opto-isolated relays, which may be a disadvantage for projects that require galvanic isolation.

3. Limited Input Voltage: The maximum input voltage for this relay board is 24V, which may be a limitation for some projects.

In conclusion, the Omron K33-CPA is a reliable and affordable relay board that is easy to use and compact in size. However, it may not be suitable for projects that require a large number of relays, opto-isolated relays, or higher input voltages.

If you're looking for a compact and affordable relay board for small projects, then the Omron K33-CPA is an excellent choice. However, if you require more relays, opto-isolated relays, or higher input voltages, then you may want to consider other options in the market. Ultimately, the decision to buy the Omron K33-CPA relay board depends on your specific project requirements and budget.

Details:

Functions: optional board. Country/region of manufacture: japan. The item has its original packaging but it is not sealed. Manufacturer part number: K33-CPA.

The product must be the original item shipped, with matching serial numbers if applicable. A new, unused item with no signs of wear. 2-year mro shield protection plan included. Omron K33-CPA relay output board manufactured by Omron.

Omron K33-CPA relay output board optional board for k3hb series indicators with 1 relay output PDT and 12 CDC 80ma sensor power function: i/o unit. Special instructions. Most items are in stock when they listed.

specifications genpurrelays:

• brand: Omron
• mpn: K33-cpa
• part type: Board

offer genpurrelays:

• options: ship-to-home
• started: november 19, 2025
• availability: in stock
• sold #: 12
• in stock #: 5
• prices: $87.30–$111.00
• item condition:
  • New
  • New – Open box
• best offers: true

returns genpurrelays:

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

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seller genpurrelays:

• city: mount sterling, kentucky
• rating: 99.4%
• # reviews: 17558

general genpurrelays:

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

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• class: standard, one-day
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• type: calculated