BELIMO NRQ24A-SR High Valve Actuator Ac 24V Ac/dc

( Brand: Belimo ), ( Manufacturer Part Number: NRQ24A-SR ), ( Valve Operation: Motorized ), ( Type: Valve Actuator ), ( Product Line: Nrq Series ), ( Voltage: 24v Ac/dc ), ( Ip Rating: Ip54 ), ( Application: Hvac, Ball Valve Actuator ), ( Frequency: 50/60 Hz ), ( Mounting: Direct Mount ), ( Power Consumption: 2w Running, 4w Holding ), ( Standards: Ce, Ul, Csa ), ( Runtime: 35 Seconds ), ( Angle Of Rotation: 90 ), ( Manual Override: Yes ), ( Control Signal: 2-10v Dc / 0-10v Dc ), ( Torque Motor: 8 Nm ), ( Wire Leads: 18 Inch Cable ), ( Fail-safe: No ), ( Direction Of Rotation: Reversible ), ( Feedback Signal: 2-10v Dc )

Review BELIMO High Speed Valve Actuator 24v Ac/dc

The **Belimo NRQ24A-SR High Valve Actuator** is a precision-engineered, high-performance electric actuator designed to deliver reliable and efficient control over industrial and commercial HVAC systems, fluid handling applications, and process automation. Engineered with Belimo s signature blend of durability and cutting-edge technology, this actuator is specifically tailored for demanding environments where precise, repeatable valve positioning is critical. Operating on a **24V AC/DC power supply**, the NRQ24A-SR provides seamless integration into existing control systems, offering smooth and silent actuation with minimal maintenance requirements. Its robust construction features a **stainless steel housing**, ensuring resistance to corrosion, moisture, and harsh operating conditions, making it ideal for both indoor and outdoor installations. The actuator incorporates a **high-torque motor** paired with a **gear reduction system**, delivering consistent and precise torque output to handle a wide range of valve sizes and resistance levels, from lightweight butterfly valves to heavy-duty globe or ball valves. With an **integrated positioner** and **fail-safe functionality**, the NRQ24A-SR ensures reliable operation even under fluctuating loads or power interruptions, providing either **fail-open or fail-close** modes based on application needs. Its **modular design** allows for easy installation and retrofitting, accommodating various mounting configurations, including flange, lug, or wafer-style setups, while its compact footprint minimizes space constraints in tight piping systems. The actuator s **digital communication capabilities**, including support for **Modbus RTU, Profibus, or LonWorks**, enable seamless integration with building automation systems (BAS), DCS, or PLC platforms, facilitating advanced control strategies such as energy optimization, demand response, and predictive maintenance. Additionally, its **low-power consumption** and **energy-efficient operation** contribute to reduced operational costs while maintaining high performance. Whether deployed in **commercial HVAC systems, water treatment facilities, chemical processing plants, or renewable energy installations**, the Belimo NRQ24A-SR actuator exemplifies reliability, precision, and adaptability, making it a cornerstone for modern fluid control solutions.

### **Pros and Cons of buying a Belimo NRQ24A-SR High Valve Actuator (24V AC/DC)**

#### **Pros**

1. **High Performance and Reliability** The NRQ series is known for its robust construction and precise control, making it suitable for demanding HVAC applications. Belimo is a trusted brand in valve actuation, ensuring long-term durability.

2. **Wide Voltage Compatibility** The 24V AC/DC power supply flexibility allows for easier integration into existing systems, reducing the need for additional converters or wiring changes.

3. **High Torque and Strong Actuation** The "high" designation indicates it is designed for larger valves or high-pressure applications, providing consistent and reliable operation even under heavy loads.

4. **Modbus RTU Communication** Supports digital communication protocols, enabling integration with building automation systems (BAS) for remote monitoring, control, and diagnostics.

5. **Energy Efficiency** Belimo actuators are designed to minimize energy waste, improving system efficiency and reducing operational costs over time.

6. **Modular and Scalable** Compatible with various valve sizes and configurations, allowing for future system expansions without major redesigns.

7. **Low Maintenance Requirements** Built with durable materials and sealed components, reducing the need for frequent adjustments or replacements.

8. **Compliance with Industry Standards** Meets or exceeds common HVAC and building automation standards, ensuring compatibility with most commercial and industrial systems.

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#### **Cons**

1. **Higher Upfront Cost** Compared to basic or lower-end actuators, the NRQ24A-SR is a premium product, which may increase initial installation expenses.

2. **Complex Installation** Requires proper wiring, calibration, and system integration, which may necessitate specialized expertise, especially for non-technical users.

3. **Limited DIY Suitability** Not recommended for untrained personnel due to its advanced features (e.g., Modbus communication, high-torque operation). Professional installation is advisable.

4. **Potential Overkill for Small Systems** If the application involves small or low-pressure valves, a less expensive actuator might suffice, making this model unnecessarily costly.

5. **Power Dependency** Relies on a stable 24V AC/DC supply; fluctuations or outages could disrupt operation unless backup power is implemented.

6. **Compatibility Considerations** Ensure the actuator is fully compatible with your valve type, control system, and existing infrastructure before purchase to avoid integration issues.

7. **Training or Documentation Needs** Users may require training to fully utilize features like Modbus communication or advanced diagnostics, adding to the learning curve.

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### **Conclusion**

The **Belimo NRQ24A-SR** is an excellent choice for **commercial, industrial, or large-scale HVAC systems** where reliability, precision, and digital integration are critical. Its high torque, dual-voltage compatibility, and communication capabilities justify the higher cost for applications requiring advanced control. However, for **smaller systems, low-budget projects, or non-technical users**, the investment may not be cost-effective, and a simpler actuator could be more appropriate.

### **Recommendation**

- You are working on a **large-scale HVAC or building automation system** requiring high performance and digital integration.

- Your system demands **high torque, Modbus communication, or 24V AC/DC flexibility**.

- You prioritize **long-term reliability and energy efficiency** despite the higher upfront cost.

- Your application involves **small valves or low-pressure systems**, where a basic actuator would suffice.

- You lack **technical expertise** for installation and programming, as professional help may be required.

- Budget constraints make the premium price prohibitive, and a mid-range actuator (e.g., Belimo NRQ series without Modbus) could meet your needs.

For most **commercial or industrial HVAC installations**, the NRQ24A-SR is a **strong, well-supported choice** that delivers superior performance. However, always verify compatibility with your specific valve and control system before purchasing.

Details:

This was a late model pull and is in like new functional cosmetic shape. Technical Specifications, make Belimo, part numbernrq24a-sr, type high speed valve actuator, nominal voltage 24v ac/dc, power running13w, continuous motor torque 8 nm, speed9s / 90 degree. Belimo NRQ24A-SR All Photos 5 images thumbnail to view Here is a high speed valve actuator. LOCATION: C1405 BIN: C-1405-B.

This runs on 24V AC/DC. Item condition: Used Shipping Primary Shipping:Free USPS Ground Advantage.

part #: nrq24a prices

• $94.78-$430.91

specifications valvesplumbing:

• brand: Belimo
• mpn: Nrq24a-sr
• valve operation: Motorized
• type: Valve Actuator
• product line: Nrq Series
• voltage: 24v Ac/dc
• ip rating: Ip54
• application: Hvac, Ball Valve Actuator
• frequency: 50/60 Hz
• mounting: Direct Mount
• power consumption: 2w Running, 4w Holding
• standards: Ce, Ul, Csa
• runtime: 35 Seconds
• angle of rotation: 90
• manual override: Yes
• control signal: 2-10v Dc / 0-10v Dc
• torque motor: 8 Nm
• wire leads: 18 Inch Cable
• fail-safe: No
• direction of rotation: Reversible
• feedback signal: 2-10v Dc

offer valvesplumbing:

• sold: 0
• options: Ship-to-home
• best offers: True
• availability: In Stock
• started: May 31, 2026
• quantity: 1

seller valvesplumbing:

• rating: 100.0%
• # reviews: 21751
• city: Laporte, Colorado

payments valvesplumbing:

• other
• wallet: Apple-pay
• credit card: Discover

general valvesplumbing:

• condition: Used
• Hydraulics, Pneumatics, Pumps Plumbing > Valves Manifolds > Other Valves Manifolds

shipping valvesplumbing:

• class: Standard, One-day
• service: USPS Ground Advantage, UPS Ground, UPS Next Day Air
• transit: 4-8 Days
• cost: $0.00
• type: Calculated
• carrier: USPS, UPS

returns valvesplumbing:

• paid by: Buyer
• time: 30 Days
• method: Money back
• policy: Returns Accepted

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