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  3. ALLEN BRADLEY 816-C0V16

ALLEN BRADLEY 816-C0V16 Overload Relay Unmp Ser.k

816-c0v16 Allen Bradley Ser.k Overload Relay As Pictured Unmp

( Brand: Allen Bradley ), ( Manufacturer Part Number: 816-C0V16 )

Review ALLEN BRADLEY Ser.k Overload Relay As Pictured Unmp

The **Allen-Bradley 816-C0V16 Series K Overload Relay** is a robust and precision-engineered thermal-magnetic protection device designed to safeguard three-phase induction motors and other electrically driven machinery from excessive current conditions, ensuring reliable operation and extended equipment lifespan. Part of Rockwell Automation s **816 Series**, this overload relay is engineered to meet stringent industrial standards, offering superior thermal protection against overloads, stalling, and other abnormal operating conditions that could lead to motor failure or catastrophic damage. With a **Series K** designation, this model incorporates advanced thermal elements that provide accurate, consistent protection by continuously monitoring motor current and adjusting to temperature variations, thereby preventing false tripping due to ambient conditions. The **C0V16** designation indicates a **16-ampere (A) nominal rating**, making it ideal for applications requiring protection of motors in the 1 16 ampere range, such as small to medium-sized pumps, compressors, conveyors, and other industrial machinery. Its compact yet durable design allows for easy installation in control panels, junction boxes, or directly on motor starters, while its **NEMA 1** enclosure ensures protection against dust, dirt, and light moisture, making it suitable for a wide range of industrial environments.

What sets the **816-C0V16** apart is its **adjustable thermal protection**, which can be fine-tuned to match the specific motor s current requirements, ensuring optimal performance without unnecessary downtime. The relay features a **bimetallic thermal element** that responds to sustained overloads by gradually bending, triggering the trip mechanism when the current exceeds safe operating limits. This gradual response prevents sudden shocks to the motor, reducing mechanical stress and prolonging component life. Additionally, the **Series K** overload relay includes a **resettable trip mechanism**, allowing for quick and straightforward reset after a fault, minimizing maintenance interruptions. The device also incorporates **magnetic blowout coils** to enhance arc suppression during tripping, further extending the life of the relay and improving safety in high-voltage applications.

For enhanced functionality, the **816-C0V16** is compatible with **Allen-Bradley motor starters**, including the **816 Series** and other compatible models, providing seamless integration into existing control systems. Its **standardized mounting configuration** ensures compatibility with industry-wide mounting rails and panels, simplifying installation and replacement processes. The relay s **clear and intuitive labeling** including marked current settings and trip indicators makes it easy for technicians to configure and troubleshoot, reducing errors and improving operational efficiency. Whether used in manufacturing plants, HVAC systems, or process industries, this overload relay delivers **reliable, consistent protection** against motor overloads, helping to prevent costly equipment damage, unscheduled downtime, and safety hazards. With its **proven durability, precise thermal response, and seamless integration** into Rockwell Automation s ecosystem, the **816-C0V16 Series K Overload Relay** remains a trusted choice for industrial protection applications demanding both performance and reliability.

### **Pros and Cons of buying a Allen-Bradley 816-C0V16 Series K Overload Relay (UNMP)**

#### **Pros**

1. **Compatibility with Allen-Bradley Control Systems**

The 816-C0V16 is designed to integrate seamlessly with other Allen-Bradley components, including PLCs, motor starters, and control panels. This ensures smooth operation within existing industrial automation setups.

2. **High Reliability and Durability**

Allen-Bradley components are known for their robust construction and long operational lifespan. The 816 series overload relays are built to withstand harsh industrial environments, including temperature fluctuations, vibration, and electrical noise.

3. **Adjustable Thermal Protection**

The relay features adjustable thermal protection settings, allowing for fine-tuning based on motor load conditions. This helps prevent premature motor failure by providing optimal overload protection.

4. **Compact and Space-Efficient Design**

The UNMP (Universal Non-Magnetic Panel) version is designed to fit into standard panel configurations without requiring additional mounting space, making it ideal for applications where space is limited.

5. **Easy Installation and Maintenance**

The relay is designed for straightforward installation, with clear labeling and standard mounting features. Maintenance is minimal, primarily involving periodic inspection of contacts and thermal elements.

6. **Wide Voltage and Current Ratings**

The 816-C0V16 supports a range of voltage and current ratings, making it suitable for a variety of motor sizes and applications. This versatility reduces the need for multiple relay types in a single system.

7. **Compatibility with Modern Control Schemes**

The relay can be used in both traditional hardwired control systems and more advanced PLC-based control schemes, offering flexibility for future upgrades.

8. **Brand Reputation and Support**

Allen-Bradley (now part of Rockwell Automation) has a strong reputation for quality and technical support. This means access to documentation, spare parts, and troubleshooting assistance when needed.

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#### **Cons**

1. **Higher Upfront Cost**

Allen-Bradley components are generally more expensive than generic or aftermarket alternatives. For budget-conscious projects, this may be a significant drawback.

2. **Limited Availability of New Stock**

Due to Allen-Bradley s focus on supporting legacy systems, new production of certain models like the 816 series may be discontinued. This could lead to longer lead times or reliance on refurbished or used units.

3. **Complexity for Non-Specialists**

While the relay is user-friendly, its integration into a control system may require expertise, especially when configuring thermal settings or wiring it with PLCs. Non-electrical personnel may struggle with installation or troubleshooting.

4. **Potential for Overkill in Small Applications**

For very small or simple motor applications, the 816-C0V16 may offer more protection than necessary, leading to unnecessary complexity and cost.

5. **Dependence on Allen-Bradley Ecosystem**

If the system relies heavily on Allen-Bradley components, switching to a different brand later could require significant rework. This lack of interoperability with non-Allen-Bradley systems may limit flexibility.

6. **Refurbished Units May Have Mixed Quality**

Since new units may be hard to find, refurbished or used units might be purchased. While reputable sellers can provide reliable refurbished parts, there is always a risk of receiving a unit with hidden defects or reduced lifespan.

7. **Limited Customization Options**

The 816 series is a standard product with fixed features. Users cannot modify its internal design or add custom functionalities, which may be a limitation for specialized applications.

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### **Conclusion**

The **Allen-Bradley 816-C0V16 Series K Overload Relay (UNMP)** is a high-quality, reliable component ideal for industrial applications where compatibility with Allen-Bradley systems, durability, and adjustable thermal protection are critical. Its robust design and ease of integration make it a strong choice for maintenance-intensive environments. However, its higher cost, potential unavailability of new stock, and complexity for non-specialists may pose challenges, particularly for smaller or simpler applications.

For projects where **long-term reliability, brand support, and seamless integration** with existing Allen-Bradley infrastructure are priorities, this relay is a **strong recommendation**. Conversely, if **cost efficiency, availability of alternatives, or simplicity** are more important, evaluating generic or aftermarket overload relays may be a more practical approach.

### **Recommendation**

- **Buy the 816-C0V16 if:**

- You are working within an existing Allen-Bradley control system.

- Reliability, durability, and thermal adjustability are non-negotiable.

- You have access to technical support or expertise for installation.

- The application justifies the higher cost for long-term performance.

- **Consider alternatives if:**

- Budget constraints make the higher price prohibitive.

- You are working with non-Allen-Bradley systems and need broader compatibility.

- The application is simple, and a lower-cost generic relay suffices.

- You can source refurbished units from a trusted supplier to reduce costs.

For most industrial applications where **Allen-Bradley integration is essential**, the 816-C0V16 remains a **highly recommended choice** due to its proven performance and compatibility. However, always verify availability and compare costs with alternatives before making a final decision.

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part #: 816c0v16 price

  • $245.00

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  • brand: Allen Bradley
  • mpn: 816-c0v16

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  • started: March 18, 2026
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  • PLCs HMIs > PLC Peripheral Modules > PLC Input Output Modules
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category: business & industrial > plcs hmis > plc peripheral modules > plc input output modules, sku: 21501081376179771,
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