
TA-MC253 SE
High performance proportional actuator with fail-safe function – 2500 N
High performance proportional actuators with fail-safe extending and automatic stroke adaptation which provide accurate modulating or 3-point control when used together with combined control and balancing valves – both with or without integrated Δp controller – as well as 2-way and 3-way control valves from IMI Hydronic Engineering.
Product branding

Features and Benefits
Easy commissioning
Automatic measurement and adaptation to the valve lift as well as load-dependent end position switch-off helps to reduce commissioning time and protect the valve and actuator from overloading.
Easy troubleshooting
Protected hand drive for a safe manual operation which enables easy troubleshooting.
Ease of service
The actuator housing cover is easy to remove. Parameters can easily be changed on site.
Functions
Modulating or 3-point control
Temperature
Max. ambient temperature: 60°C
Min. ambient temperature: 0°C
Control speed
3,5 s/mm
Supply voltage [V]
24 VAC ±10% 230 VAC +6%/-10% 115 VAC +6%/-10% Frequency 50-60 Hz ±5%
Power consumption
Input signal
0(2)-10 VDC, R i ~77 kΩ, 0(4)-20 mA, R i ~510 Ω.
3-point control
Signal direction and starting point adjustable by micro switches.
Output signal
0-10 VDC, max. 8 mA, min. 1,2 kΩ
Stroke
Automatic detection of the valve lift (stroke detection)
Max. 40 mm
Marking
IMI TA, CE, Article No, product name and technical specification.
Colour
Black body and red cover.
Adjusting force
2500 N
Connection to valve
Simple attachment to the valve by means of M8 screws. For some valve types an adapter may be needed. Information on adapters included in valve datasheets
Ingress protection
IP54
Protection class
115 V: II
230 V: II
24 V: III
(according to EN 60730)
The table below assists you in finding the relevant product based on its variant. For more details, please download the datasheet above.
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