Belimo Fail-Safe Actuators

Belimo's Fail-Safe Actuators offer a diverse range of types across TF, LF, NF, SF, EF, and GK series, with nominal voltages spanning 24V to 230V. These actuators ensure rapid fail-safe positioning under 35 seconds and motor running times up to 150 seconds, catering to maximum damper sizes from 0.5m² to 8m² and nominal torques between 2.5Nm and 40Nm, suitable for varied HVAC applications.

TF Actuator Range

The Belimo TF Actuator Range, encompassing models TF24, TF24-S, TF230, TF230-S, TF24-SR, & TF230-SR, is designed for efficiency and reliability. Operating across nominal voltages from 24V to 230V, these actuators offer a nominal torque of 2.5Nm and can manage dampers up to 0.5m². With a fail-safe position time of less than 25 seconds and a motor running time for 90° adjustments between 75 to 150 seconds, they ensure optimal performance for HVAC applications.

Actuator Types: TF24, TF24-S, TF230, TF230-S, TF24-SR, & TF230-SR
Nominal Voltages: 24V to 230V
Running Time Fail Safe Position 90°: <>
Running Time Motor 90°: 75s to 150s
Maximum Damper Size: 0.5m²
Nominal Torque: 2.5Nm
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LF Actuator Range

The Belimo LF Actuator Range encompasses models LF24, LF24-S, LF230, LF230-S, and LF24-SR, designed for nominal voltages from 24V to 230V. These actuators achieve a fail-safe position within 20s and have motor running times ranging from 40s to 75s and up to 150s for a 90° turn. They're suitable for dampers up to 0.8m² with a nominal torque of 4Nm, ensuring efficient operation and reliability in regulating air flow systems.

Actuator Types: LF24, LF24-S, LF230, LF230-S, & LF24-SR
Nominal Voltages: 24V to 230V
Running Time Fail Safe Position 90°: <>
Running Time Motor 90°: 40s to 75s & 150s
Maximum Damper Size: 0.8m²
Nominal Torque: 4Nm
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NF Actuator Range

The Belimo NF Actuator Range, including models NFA, NFA-S2, NF24A, NF24A-S2, NF24A-SR, and NFS4A-SR-S2, is designed for efficiency and precision in controlling dampers up to 2m². With nominal voltages ranging from AC24 to 240V and DC24 to 125V, these actuators ensure versatile operation. They provide a nominal torque of 10Nm and feature quick fail-safe positioning under 20s and motor run times of 75s or 150s for 90° rotations, catering to a wide array of HVAC needs.

Actuator Types: NFA, NFA-S2, NF24A, NF24A-S2, NF24A-SR, & NFS4A-SR-S2
Nominal Voltages: AC24 to 240V, DC24 to 125V, & 24V
Running Time Fail Safe Position 90°: <>
Running Time Motor 90°: 75s & 150s
Maximum Damper Size: 2m²
Nominal Torque: 10Nm
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SF Actuator Range

The Belimo SF Actuator range, including SFA, SFA-S2, SF24A, and SF24A-SR models, offers versatile solutions for damper control with nominal voltages ranging from AC24 to 240V and DC24 to 125V. Designed for maximum damper sizes up to 4m², these actuators ensure a fail-safe position within 20s and motor run times of 75s to 150s for a 90° rotation, providing a nominal torque of 20Nm. This range caters to diverse requirements, ensuring efficient performance and reliability in damper control applications.

Actuator Types: SFA, SFA-S2, SF24A, SF24A-S2, SF24A-SR, & SF24A-SR-S2
Nominal Voltages: AC24 to 240V, DC24 to 125V, & 24V
Running Time Fail Safe Position 90°: <>
Running Time Motor 90°: 75s & 150s
Maximum Damper Size: 4m²
Nominal Torque: 20Nm
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EF Actuator Range

The Belimo EF Actuator Range, encompassing models EF24A, EF24A-S2, EF230A, EF230A-S2, EF24A-SR, and EF24A-SR-S2, is designed for precision in managing damper movements. Compatible with nominal voltages from 24V to 230V, these actuators ensure swift fail-safe positioning within 20s and operational times between 75s to 150s for a 90° rotation. They accommodate dampers up to 6m² with a nominal torque of 30Nm, offering reliable performance in ventilation systems.

Actuator Types: EF24A, EF24A-S2, EF230A, EF230A-S2, EF24A-SR, & EF24A-SR-S2
Nominal Voltages: 24V to 230V
Running Time Fail Safe Position 90°: <>
Running Time Motor 90°: 75s to 150s
Maximum Damper Size: 6m²
Nominal Torque: 30Nm
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GK Actuator Range

The Belimo GK Actuator Range, encompassing models GK24A-1 and GK24A-SR, is designed for 24V systems, ensuring efficient control with a nominal torque of 40Nm. These actuators are ideal for managing dampers up to 8m², featuring a swift fail-safe return to 90° in 35 seconds and a motor running time of 150 seconds for 90° adjustments. Their reliability and precision make them a top choice for HVAC applications, guaranteeing optimal performance.

Actuator Types: GK24A-1 & GK24A-SR
Nominal Voltages: 24V
Running Time Fail Safe Position 90°: 35s
Running Time Motor 90°: 150s
Maximum Damper Size: 8m²
Nominal Torque: 40Nm
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Comprehensive Selection of Cutting-Edge HVAC Field Devices

Browse a vast catalogue of damper actuators, sensors/meters, & control valves by Belimo, designed for HVAC applications, ensuring high quality performance, reliability and low power consumption.

Frequently Asked Questions

Belimo is a global market leader in the development, production, and marketing of actuator solutions for controlling heating, ventilation, and air conditioning (HVAC) systems in buildings.

Belimo manufactures a wide range of valves including globe valves, butterfly valves, ball valves, and pressure independent control valves (PICVs) for HVAC systems.

Belimo actuators are devices used to control the opening and closing of valves. They are motor-driven devices that receive signals from a building automation system (BAS) or a controller to regulate the flow of fluids in HVAC systems.

Belimo actuators offer high precision, reliability, and energy efficiency. They are designed for easy installation and integration with various building automation systems, providing precise control over HVAC components.

Belimo sensors are devices used to measure various environmental parameters such as temperature, humidity, and air quality. These sensors provide feedback to building automation systems, enabling better control and optimisation of HVAC systems.

Belimo valves, particularly pressure independent control valves (PICVs), help optimise energy usage by maintaining constant flow rates regardless of pressure fluctuations in the system. This ensures efficient operation of HVAC systems and minimises energy waste.

Belimo actuators are known for their durability and long lifespan. With proper maintenance and usage, they can last for many years, providing reliable operation in HVAC systems.

Yes, Belimo actuators are designed to be compatible with a wide range of valves, including those from other manufacturers. They can often be retrofitted onto existing valves, providing an easy and cost-effective way to upgrade HVAC systems.

Yes, Belimo products support various communication protocols such as BACnet, Modbus, and LonWorks, allowing seamless integration with different building automation systems and protocols.

Belimo maintains rigorous quality control standards throughout the manufacturing process. Additionally, all products undergo extensive testing to ensure they meet performance specifications and reliability standards.

Belimo offers comprehensive warranty coverage for its products, typically ranging from two to five years depending on the product and region. This warranty provides customers with peace of mind and assurance of product quality.

Yes, Belimo offers a wide range of valves and actuators suitable for various HVAC applications, including air handling units, fan coil units, chilled beams, radiators, and underfloor heating systems. Whether it's for heating, cooling, or ventilation, Belimo products are designed to meet the diverse needs of different HVAC systems.

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Belimo Fail-Safe Actuators