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TA Actuator 70 Ex

Torque up to 35 Nm. Short running time in on/off operation. High resolution of the positioning path in regular operation. A long duty cycle is possible in multiturn operation.

Ex II 2G Ex db IIC T6 Gb (Atex)TA Actuator 70 Ex

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Product description

The TA 70 Ex can be used universally because it has a wide range in terms of running time and torque.

Examples of applications in hazardous areas: tank trucks, gas filling stations. Service on unmanned drilling rigs in the North Sea with stainless steel housing and FM system.

This drive is also certified according to the so-called IECEx scheme (Ex d II C T6).


  • Can be used in Zone 1 and Zone 2
  • Device categories 2G and 3G
  • Flameproof enclosure “d”
  • Can be used with gases with the highest ignition penetration capability “C”
  • Highest temperature class T6
  • For gases from ignition temperature > 85° C


Technical data 1

Data sheet TA 70/ Swivel 90° / Quarter turn / Shut off
TypeTA 70.2 ExTA 70.3 ExTA 70.4 ExTA 70.5 Ex
Torques17 Nm20 Nm25 Nm32 Nm
Running time 90°approx. 2 secondsapprox. 3 secondsapprox. 6 secondsapprox. 12 seconds.
General drive data
Duty cycle  100 % ED S 4 (Class C) serial 
Weight  2.2 kg 
engine  24VDC 
Rated current  1.5A 
rated capacity  38W 
Height  230mm 
Width  127mm 
depth  140mm 

Technical data 2

Data sheet TA 70 / Multiturn / Linear application / Control mode
Multiturn    Linear operation 
Type TA70.2 Ex70.3 Ex70.4 Ex70.5 Ex TA 70.4 Ex
Torque (Nm)17 Nm20 Nm25 Nm32 NmThrust force300 N
Running time 360°approx. 8 secondsapprox. 12 seconds.approx. 24 sec.approx. 48 sec.max. thrust length100mm
Possible 360° turns1-281-281-281-28Running time for max. thrust lengthapprox. 10 seconds
General drive data
Duty cycle    100 % ED S 4 (Class C) serial 
Weight    2.2 kg
engine    24VDC 
Rated current    1.5A 
rated capacity    38W 
Height    230mm 
Width    127mm 
depth    140mm


parameterdefaultOptionsService / custom-made products
Operating modeOpen/close 90° adjustment angle
  • Multi-way operation E 40
  • Multiturn operation
  • Linear operation
  • Consulting rule applications
  • Step control E18 or follow-up control E21
  • Data bus solutions
Flange connectionBolt circle according to DIN ISO 5211Structural parts according to the requirements of the valveMechanical connection in the factory (adaptation)
Supply voltages24VDC
  • 230V AC/50Hz
  • other AC/DC voltage
Consulting electrical implementation
Cable entry3 m cable tail Electrical connection on site
Position feedbackCam switch
  • Potentiometers
  • Transmitter 0-(4)-20 mA
  • Consulting signal processing
  • SMS control and feedback
Duty cycle100 % ED S 4 (Class C)Permanently modulating (Class D)
  • Engine modifications
  • Brushless motors
Metal casealuminumstainless steel
  • RAL paints
  • Coatings
  • Anodization
Protection classIP65
  • Explosion protection
  • ATEX Ex II 2 G Ex d II C T6
  • IEC – Ex d II C T6
  • Modifications up to IP68
  • user-specific housings
Manual emergency operation Separating clutch with hand lever 
Failsafe facilities 
  • Auxiliary voltage E71
  • Spring closure FM system
  • Mechanical connection in the factory (adaptation)
  • Electrical connection on site


In this download area you will find further details about the specifications of this product. If you have any questions about the product variants, options or customization options, “>contact Just tell us.

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