What is the function of the Belimo Actuator Spring Return 120V 35#?

The Belimo Actuator Spring Return 120V 35# is designed to control the opening and closing of HVAC dampers and valves. Its primary function is to automate airflow regulation, ensuring efficient climate control in commercial and residential buildings. This actuator features a spring return mechanism that allows the damper to revert to a predefined position when power is lost. Such functionality is essential in instances where precise control over temperature and air quality is required, such as in server rooms or laboratories.

How does the spring return mechanism work in this actuator?

The spring return mechanism operates by utilizing a spring coil that engages when the electrical supply to the actuator is cut off. This design ensures that the actuator returns to a predetermined position — typically either fully open or fully closed — allowing for safe and predictable operation. This functionality is particularly crucial in applications where system failures may lead to hazardous conditions, as it ensures that the airflow is managed appropriately and minimizes risk in HVAC systems.

Can this actuator be used with different types of valves?

Yes, the Belimo Actuator Spring Return 120V 35# is versatile and compatible with various types of valves and dampers. It is suitable for usage with ball valves, butterfly valves, and linear actuated dampers in HVAC applications. This compatibility makes it an excellent choice for diverse installations, from commercial buildings to residential systems, where different valve and damper types might be present.

What type of applications is the Belimo actuator best suited for?

The Belimo actuator is best suited for HVAC applications, particularly in commercial environments such as office buildings, schools, and hospitals. It effectively controls air flow and temperature, which enhances energy efficiency and occupants’ comfort. In residential scenarios, it can be used in smart home systems to regulate climate control and optimize energy usage, demonstrating its utility across varied settings.

Is it easy to install the Belimo Actuator Spring Return 120V 35#?

Installation of the Belimo Actuator Spring Return 120V 35# is user-friendly, designed to simplify integration with existing HVAC systems. The actuator comes with detailed installation instructions that facilitate a smooth setup process. Users often find it beneficial to engage qualified technicians for installation, especially in complex systems, ensuring that connections are correctly made to maximize operational efficiency and reliability.

What is the output torque specification for this actuator?

The Belimo Actuator Spring Return 120V 35# features an output torque specification of 35 inch-pounds, providing adequate force to control small to medium-sized valves and dampers effectively. This torque rating is essential for ensuring that the actuator can overcome any resistance from the damper or valve it is controlling, maintaining overall system performance and reliability across various applications.

Does the actuator include any built-in safety features?

Yes, the Belimo Actuator Spring Return 120V 35# includes built-in safety features such as a spring return function. This function ensures that in the event of a power failure, the damper or valve will revert to a safe position, thereby minimizing risk and ensuring continued performance of HVAC systems. Additionally, features like overload protection help prevent damage to the system, ensuring longevity and reliability.

What types of controls are available for this actuator?

The Belimo Actuator Spring Return 120V 35# is designed to work with various control types, including 0-10V, MODBUS, and other standard control signals. This flexibility allows it to integrate seamlessly into existing building management systems (BMS), enabling precise monitoring and control of heating, ventilation, and air conditioning operations, ultimately leading to enhanced energy efficiency.

What is the operational voltage for this actuator model?

The operational voltage for the Belimo Actuator Spring Return is 120V. This standard voltage rating makes it widely compatible with existing electrical systems in residential and commercial buildings, enabling easy integration without the need for specialized electrical modifications. This model is commonly used in environments where centralized HVAC systems are installed to manage air distribution effectively.

Where can I buy the Belimo Actuator Spring Return 120V 35# Open/close W/switch?

You can purchase the Belimo Actuator Spring Return 120V 35# Open/close W/switch at Ubuy in India. Ubuy offers a reliable platform for accessing a wide range of HVAC products, ensuring you find exactly what you need for your home or business projects.

How to Shop Belimo actuator spring return 120V 35#" open/close Online From Ubuy?

It’s easy to shop Belimo actuator spring return 120V 35#" open/close online from Ubuy. You just have to search for the product, choose your shipping method while checking out and get it delivered to your location.

How Long Does It Take to Get Product After Placing the Order?

The delivery time of your ordered product varies as per what you've ordered and the shipping method that you've chosen. The estimated delivery time is mentioned during the checkout process, so be carefree while shopping.

Belimo

Ideal for the on/off, fail-safe damper control in HVAC systems, this BELIMO spring return damper actuator (120VAC) can provide true spring return operation for reliable fail-safe application and positive close off on air-tight dampers.

Belimo

Item #: 87468740

Belimo actuator spring return 120V 35#" open/close W/switch

Item #: 87468740

INR 33186

Price Details

Price

INR 33186

M.R.P. INR 33186

Excluding Shipping & Custom charges ( Shipping and custom charges will be calculated on checkout )

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Ideal for the on/off, fail-safe damper control in HVAC systems, this BELIMO spring return damper actuator (120VAC) can provide true spring return operation for reliable fail-safe application and positive close off on air-tight dampers.

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What Stands Out

Spring Return Mechanism

The actuator's spring return feature ensures reliable operation, automatically returning to a predefined position when power is lost, enhancing safety and convenience in HVAC applications.

120V Compatibility

Designed for 120V electrical systems, this actuator simplifies integration into existing setups, providing versatility for various installation environments and reducing the need for additional transformers.

Integrated Switch

The built-in switch allows for easy manual control and monitoring, providing enhanced user experience and operational flexibility in managing heating and cooling systems effectively.

Product Details

Connector Type	Screw
Mounting Type	Direct Mount
Voltage	120 volts
Material Type	Copper
Brand Name	Belimo
Number of Items	1
Manufacturer	CAI - BELIMO
UPC	696333215572
Item Weight	6 pounds (2.72 kg)
Part Number	LF120-S
Material	Copper
Brand	Belimo

Who Should Buy?

HVAC Technicians
Ideal for professionals managing heating, ventilation, and air conditioning systems, ensuring precise control of dampers and valves.
Building Managers
Beneficial for facility managers needing reliable actuator systems for efficient climate control in commercial buildings.
Energy Efficiency Projects
Great for projects aiming to improve energy efficiency, as it allows better control of airflow and temperature regulation.

DIY Homeowners
Not suitable for inexperienced users, as proper installation and configuration require technical knowledge about HVAC systems.

Product Description

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Customer Questions & Answers

Question: How to Shop Belimo actuator spring return 120V 35#" open/close Online From Ubuy?

Answer: It’s easy to shop Belimo actuator spring return 120V 35#" open/close online from Ubuy. You just have to search for the product, choose your shipping method while checking out and get it delivered to your location.
Question: Is Belimo actuator spring return 120V 35#" open/close Available to Shop Online in India?

Answer: Yes, at Ubuy India this product is available for you to shop at a reasonable price. The Belimo actuator spring return 120V 35#" open/close is not available locally but you can trust us with our express shipping services.
Question: How Long Does It Take to Get Product After Placing the Order?

Answer: The delivery time of your ordered product varies as per what you've ordered and the shipping method that you've chosen. The estimated delivery time is mentioned during the checkout process, so be carefree while shopping.

Belimo Actuator Blocks Editorial Review

The Belimo actuator spring return 120V 35# openclose Wswitch features a robust screw connector type and operates on 120 volts, making it suitable for various applications. constructed from durable copper, this actuator ensures long-lasting performance and reliability. Users appreciate its ease of integration into existing systems, as highlighted in multiple reviews discussing its efficient functionality. For those interested in specifications, the actuator weighs 6 pounds and is manufactured by Belimo, a trusted brand in the industry. This product is ideal for driving dampers, valves, and other equipment where precise control is essential, catering to both professional and residential needs.

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Pros

Durable copper construction
Lightweight design at 6 pounds
Efficient for damper and valve control
Trustworthy Belimo brand performance
Easy to integrate with existing systems

Cons

No major drawbacks reported by users

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4.3/5 1588 reviews

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Anjan

Verified buyer

“It is really an amazing experince on importing items from US. Very simlified procedure of custom duty handling. The delivery was also done in lightning seed.”

20 September 2026 · via Trustpilot

Tom hollen

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“Product was of good quality.”

23 September 2026 · via Trustpilot

Justin

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“Very easy to use Very easy to use. Nice resolution. Ubuy got it in the assured time slot.”

06 October 2026 · via Trustpilot

Dangeti

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“I have ordered McLaren formula car for kids from Huffy. Ubuy actually done a great job by quality testing the car before shipping long distance over to India from USA. Ubuy has taken very good care over shipment as well. I am great fan of Ubuy and I wish them the success they deserve.”

07 October 2026 · via Trustpilot

Robbin

Verified buyer

“Highly recommended for hard-to-find items Extremely satisfied with my purchase on Ubuy. I was initially unsure about ordering from an international seller, but everything went without a hitch. All customs and shipping details were handled seamlessly with zero surprise fees at delivery. The product is 100% genuine and well-packaged. Highly recommended for rare or imported products!”

07 October 2026 · via Trustpilot

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Important information

Limitations : For products shipped internationally, please note that any manufacturer warranty may not be valid; manufacturer service options may not be available; product manuals, instructions, and safety warnings may not be in destination country languages; the products (and accompanying materials) may not be designed in accordance with destination country standards, specifications, and labeling requirements; and the products may not conform to destination country voltage and other electrical standards (requiring use of an adapter or converter if appropriate). The recipient is responsible for assuring that the product can be lawfully imported to the destination country. When ordering from Ubuy or its affiliates, the recipient is the importer of record and must comply with all laws and regulations of the destination country.
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INR 33186

Order now and get it around Thursday, November 05

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Only 15 items left in stock.

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Features & Benefits

Spring return ensures reliable fail-safe operation
Provides positive close off on air-tight dampers
Consistent torque with and without power applied
Graduated position indicator from 0° to 95°
Double insulated; no electrical ground connection needed
Adjustable between 0° and 95°

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Belimo actuator spring return 120V 35#" open/close W/switch

INR 33186

Fast Shipping

Free Return*

Secure Packaging

100% Original Products

PCI DSS Compliance

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What Stands Out

Product Details

Who Should Buy?

Product Description

Customer Questions & Answers

Belimo Actuator Blocks Editorial Review

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Important information

INR 33186

Features & Benefits

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