Name: Siemens Electric Valve Actuator -, 24V ac Supply Voltage
Brand: Siemens
SKU: 287-8771
Price: 181.07 EUR
Availability: InStock

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Sélectionner tout	Attribut	Valeur
	Marque	Siemens
	Product Type	Valve Actuator
	Maximum Opening Time	150s
	Maximum Closing Time	150s
	Supply Voltage	24V ac
	Actuator Type	Electric
	Standards/Approvals	EAC conformity, EU, RoHS Compliance, EN 60730, RCM Conformity, EU Conformity (CE)

	Sélectionner tout
	Marque Siemens
	Product Type Valve Actuator
	Maximum Opening Time 150s
	Maximum Closing Time 150s
	Supply Voltage 24V ac
	Actuator Type Electric
	Standards/Approvals EAC conformity, EU, RoHS Compliance, EN 60730, RCM Conformity, EU Conformity (CE)

Datasheet - SSA81.1

Statut RoHS non applicable

Pays d'origine :: CN

Siemens Valve Actuator, 24V AC Supply Voltage, Electric Actuator Type - SSA81.1

This valve actuator is an electric actuator designed for precise control in various heating and cooling systems. With a supply voltage of 24V AC, it provides efficient performance for radiator valves, MiniCombiValves, and small valves. The compact design allows for direct mounting to the valve’s coupling nut without the need for additional tools, ensuring easy installation. Weighing 0.4 kg, it combines a robust structure with reliable functionality, making it suitable for industrial applications.

Features & Benefits

• Automatic identification of valve stroke optimises performance

• Direct mounting with coupling nut simplifies installation

• Manual override allows for emergency operation

• Integrated auxiliary switch enhances control flexibility

• Halogen-free cables support environmentally friendly installations

• Voltage tolerance up to ±20% ensures stable operation

Applications

• Used for radiator valves with M30 x 1.5 threaded fitting

• Applicable for Combi valves and MiniCombiValves

• Suitable for small valves in HVAC systems

• Ideal for modulating or 3-position control in heating systems

• Compatible with third-party valves using AV-type adaptors

How does this actuator maintain valve position without power?

It features a mechanism that keeps the valve in its current position when there is no voltage applied, ensuring reliable operation even during power outages.

What is the maximum force the actuator can exert?

The actuator can exert a nominal force of 100 N, making it effective for a variety of valve types.

How does the automatic identification of valve stroke work?

This function helps the actuator calibrate itself to the specific valve stroke, allowing for precise control and ensuring compatibility across a

Can multiple actuators be connected to a single control signal?

Yes, it allows the parallel connection of multiple actuators, up to a maximum of 24 for this model, facilitating large system integration.

What types of valves can be used with this actuator?

The actuator is compatible with a variety of radiator and small valves, including specific models like VDN, VEN, VUN, and several Combi valve types, using appropriate AV-type adaptors.

Siemens Electric Valve Actuator -, 24V ac Supply Voltage

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