Armatec AT 3941 User manual

Electric actuator
Page 1 (4)
AT 3941 (100-800 Nm)
AT 3941 (100-800 Nm)
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Electr ic actuator
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Internet_Variants
Range of Application
Weather-proof actuator for on-off or control of ball- and butterfly valves. Torque
45-150 Nm.
UEC.11 actuator for valve, electric, two-position, without spring return
Actuator Bernard Electrical AT 3900 for 90°. Maneuvering of ball-, butterfly- and
plug valves.
Quality Assurance
CE-Marking
EC Directives 2004/108/EC, 2006 /95 /EC and fulfills the EN 61000-6-4, EN 61000-
6-2, EN 60034-1 and EN 60529.
IP 67 rated.
Material Specification
Dimension and Weight
Function and Design
Standard version
Reversible actuator in four sizes, for 0-90° movement, adjustable through a com-
Detail Material Surface treatment
1Body Aluminium Epoxy painted RAL 2010
2Cover Aluminium Epoxy painted RAL 2010
3Drive shaft Steel Untreated
C
B
A
D
Actuator / Fig nr Standard drive socket A B C Weight
3941-10 185 225 290 10
3941-15 185 225 290 10
3941-25 225 315 320 13
3941-50 260 350 330 15
3941-80 260 350 330 15
Measurements in mm, weight in kg. *Possible to get in different sizes.

Page 2 (4)
Electric actuator
AT 3941 (100-800 Nm)
Rätten till ändringar utan föregående meddelande förbehålls. Armatec ansvarar inte för eventuella tryckfel eller missförstånd. Dokumenten får kopieras endast i sin helhet.
bination of cams, mechanical end stop and/or torque switch.
The acutator is a compact combination of electric motor with thermal overload
protection and self-locking, permanently lubricated worm gear. Standard with
manual emergency operation and position indicator.
The actuator mounting-dimensions in relation to the fittings are according to ISO
5211.
Design lifetime 20 000 cycles for On/Off or 300 000 starts for modulating. Tested
according to EN 15714-2 class A and B
Standard perfomance
Technical Data
Technical Data
Installation
During all work with the actuator the power must be disconnected.
The actuator must be connected as per the wiring diagram.
Each actuator must be powered by individual switch or relay contact, minimum
16A,to prevent cross-feed between the actuators.
At outdoor installation, the actuator should be protected by a roof or cap, alterna-
tively choose an actuator with protection class IP67.
Standard performance
Motor duty S4-30% ED. 12 (on/off), S4-50% ED. 12 (positioning/modulating)
Enclosures IP68
Temperature -20°C to +60°C
Anti condensation heater Yes
Overload protection Thermostats
Permanently lubricated gear Gear
Cable entries 2 st.M20x1,5 for On/Off, 3 pcs for reglulating
End position switches 250VAC-5A / 48VDC-2,5A
Torque Yes. 250Nm and above.
Terminal block 8 connections
Actuator 3900 on/off Torque Nm Operating time s ISO-5211 230 V AC 50 Hz Ampere 400 V AC 50 Hz Ampere 24 V DC
Start
Sto
pStart Stop Kw Start Stop Kw Operating time
445 45 6 F05/07 0,5 0,4 0,02 - - - -
660 60 6 F05/07 0,9 0,6 0,03 0,5 0,3 0,03 6
10 100 100 6 F05/07 1,7 1,2 0,06 1,1 0,6 0,10 -
10 100 100 35 F05/07 0,9 0,6 0,03 0,5 0,3 0,03 35
15 150 150 25 F05/07 0,9 0,6 0,03 0,5 0,3 0,03 15
Actuator 3900 on/off Torque Nm Operating time s ISO-5211 230 V AC 50 Hz Ampere 400 V AC 50 Hz Ampere 24 V DC
Start
Sto
pStart Stop Kw Start Stop Kw Operating time
445 45 6 F05/07 0,5 0,4 0,02 - - - -
660 60 6 F05/07 0,9 0,6 0,03 0,5 0,3 0,03 6
10 100 100 6 F05/07 1,7 1,2 0,06 1,1 0,6 0,10 -
10 100 100 35 F05/07 0,9 0,6 0,03 0,5 0,3 0,03 35
15 150 150 25 F05/07 0,9 0,6 0,03 0,5 0,3 0,03 15

Electric actuator
Page 3 (4)
AT 3941 (100-800 Nm)
Installation with motor downwards should be avoided.
Turn the valve with the control unit's hand wheel to centre position. See indication
on top of device.
Always connect the heater.
Check that the actuator turns the valve in the desired direction.
The correct limit switch (open or closed) shall break the motor current.
Cable entries must comply at least to the lowest protection class of devices.
See the instructions for start-up , storage and maintenance.
Installation
During all work with the actuator the power must be disconnected.
The actuator must be connected as per the wiring diagram.
Each actuator must be powered by individual switch or relay contact, minimum
16A,to prevent cross-feed between the actuators.
At outdoor installation, the actuator should be protected by a roof or cap, alterna-
tively choose an actuator with protection class IP67.
Installation with motor downwards should be avoided.
Turn the valve with the control unit's hand wheel to centre position. See indication
on top of device.
Always connect the heater.
Check that the actuator turns the valve in the desired direction.
The correct limit switch (open or closed) shall break the motor current.
Cable entries must comply at least to the lowest protection class of devices.
See the instructions for start-up , storage and maintenance.
Installation
During all work with the actuator the power must be disconnected.
The actuator must be connected as per the wiring diagram.
Each actuator must be powered by individual switch or relay contact, minimum
16A,to prevent cross-feed between the actuators.
At outdoor installation, the actuator should be protected by a roof or cap, alterna-
tively choose an actuator with protection class IP67.
Installation with motor downwards should be avoided.
Turn the valve with the control unit's hand wheel to centre position. See indication
on top of device.
Always connect the heater.
Check that the actuator turns the valve in the desired direction.
The correct limit switch (open or closed) shall break the motor current.
Cable entries must comply at least to the lowest protection class of devices.
See the instructions for start-up , storage and maintenance.
Installation
During all work with the actuator the power must be disconnected.
The actuator must be connected as per the wiring diagram.
Each actuator must be powered by individual switch or relay contact, minimum
16A,to prevent cross-feed between the actuators.
At outdoor installation, the actuator should be protected by a roof or cap, alterna-
tively choose an actuator with protection class IP67.
Installation with motor downwards should be avoided.
Turn the valve with the control unit's hand wheel to centre position. See indication

Page 4 (4)
Electric actuator
AT 3941 (100-800 Nm)
Rätten till ändringar utan föregående meddelande förbehålls. Armatec ansvarar inte för eventuella tryckfel eller missförstånd. Dokumenten får kopieras endast i sin helhet.
on top of device.
Always connect the heater.
Check that the actuator turns the valve in the desired direction.
The correct limit switch (open or closed) shall break the motor current.
Cable entries must comply at least to the lowest protection class of devices.
See the instructions for start-up , storage and maintenance.
Installation
During all work with the actuator the power must be disconnected.
The actuator must be connected as per the wiring diagram.
Each actuator must be powered by individual switch or relay contact, minimum
16A,to prevent cross-feed between the actuators.
At outdoor installation, the actuator should be protected by a roof or cap, alterna-
tively choose an actuator with protection class IP67.
Installation with motor downwards should be avoided.
Turn the valve with the control unit's hand wheel to centre position. See indication
on top of device.
Always connect the heater.
Check that the actuator turns the valve in the desired direction.
The correct limit switch (open or closed) shall break the motor current.
Cable entries must comply at least to the lowest protection class of devices.
See the instructions for start-up , storage and maintenance.
Marking
Article number, manufacturer, serial number, voltage and current.
Wiring diagram is placed by the motor at delivery.