Product Overview

Spirax Sarco AEL5961 is a dedicated positioner board for AEL5 series electric actuators. The AEL5 series electric actuators are reversible linear output actuators that accept VMD (Valve Motor Drive) signals as standard. By installing the AEL5961 positioner board, the actuator can receive 4-20mA or 0/2-10Vdc analog control signals, enabling precise proportional positioning control.

This positioner board serves as an actuator upgrade accessory to enhance control accuracy, suitable for control valve systems requiring continuous flow modulation, particularly in steam, condensate, or other industrial fluid control applications.

Key Features

Product Advantages

• Supports analog input signals for precise proportional valve position control
• Seamlessly compatible with AEL5 series actuators for easy field upgrades
• Actuator provides linear output with stable and reliable thrust
• Compatible with multiple power input options (230Vac, 115Vac, 24Vac, 24Vdc)
• Enables high-precision flow and pressure regulation when used with control valves
• Compact design with easy installation

Technical Specifications

Parameter	Details
Actuator Type	Reversible Linear Output Electric Actuator
Control Signal (with positioner board)	4-20mA or 0/2-10Vdc
Standard Signal (without positioner board)	VMD (Valve Motor Drive)
Applicable Valve Size	DN15 to DN100 (depending on actuator sub-model)
Typical Accessories	Valve adapter AEL6911, mounting flange EL5970/EL5971, etc.

Applications

Typical Applications

The AEL5961 positioner board is primarily used with AEL5 series electric actuators combined with 2-port or 3-port control valves (such as KE43, Spira-trol series) to achieve precise flow control. Suitable for:

• Steam systems
• Hot water systems
• Industrial process control
• Applications requiring analog signal input from remote control systems for valve positioning

Important Notes

Important

• 24VDC AEL5 actuator models cannot be fitted with positioner boards
• After installing the positioner board, ambient temperature range changes to -20 to +50°C (from -20 to +60°C)
• Positioner board power consumption should be confirmed based on actual model and operating conditions; consult the manufacturer for specific parameters

Ordering Information

Ordering Notes

• For valves requiring 0/2-10V or 4-20mA control, the AEL5961 positioner board must be ordered
• The positioner board must be used with AEL5 series actuators
• Optional 1kΩ feedback resistance potentiometer available for use with the positioner board