Sensors and Systems for combustion technology

Electrical control drive 6 / 20 / 30 / 40 Nm

Electric actuator ATEX / IECEx for combustion plants
  • Running time 60 seconds on 90°
  • Control voltage 230 VAC / 50 Hz, three-point-step
  • 2 Limit switches for limitation of operating displacements to 90° (factory-installed)
  • 2 additional switch for free setting
  • 1 Potentiometer NOVOTEC, 5 kΩ as position feedback
  • Electrical manual operation OPEN/CLOSE via internal pushbutton
  • Protection type IP65

Other types on request.

Type "662 R2121" as "standard"

Output shaft [mm]

Ø12 x 25 mm, parallel key 4 x 4 x 14

Voltage [v]

230 VAC / 50 Hz

Running time

60 s

Angle of rotation default




Protection type


Electrical manual operation

OPEN / CLOSE-controlling via internal push-buttons

EX-approval in ATEX

II2G Ex d IIC T6 Gb

EX-approval in IECEx

Ex d IIC T6 Gb

Permitted ambient temperature at max. 45W nominal power


Housing material type 662R2140

Aluminium sand cast

Housing material type 662R2141

Stainless steel 1.4571

Driving butterfly valves in your combustion applications, LAMTEC offers motors for electronic fuel/air ratio controls, operating- and safety-approved, following the slogan „Combustion technology – a one-stop shop“.

Of course, our motors fulfill safety-related requirements according to the use of potentiometers and their form-fitted and free-from-float connection. 4 types of standard motors are available at LAMTEC: 6Nm, 20Nm, 30mN und 40Nm, all at 60 seconds running time.


Please contact our sales department by writing an e-mail, contact form or call +49 6227 6052-0.

We will help you to select the optimum control drive for your application.