Data Sheet for Product

Technical Instructions
Document No. A6V12035775
July 7, 2020
A-Series Industrial
Electric Actuators AUMA
(21,300 and 40,680 lb-in)
Siemens Industry, Inc.
Description
A-Series Industrial Electric AUMA actuators provide precise, durable control of
quarter turn Siemens resilient seat butterfly valves. The compact industrial housing
is rated to NEMA 6P (IP 68) standards for outdoor use. All models include
integrated controls and a manual override handwheel.
The standard AUMA models are 120V single phase. All AUMA actuators include six
auxiliary switches, torque switches, a position indicator and a heater. Modulating
units provide position feedback as standard.
Features
• Compact, lightweight design and direct mounting
• Manual, declutchable override handwheel
• Position and motion indicator lights
• Push button controls
• CE Certified
• On/off or modulating control
• Output torque 21,300 lb-in (2,407 Nm) to 40,680 lb-in (4,596 Nm)
• ISO 5210 for direct mounting
• All actuators include a heater to prevent condensation build-up
• All modulating units include a feedback potentiometer
Ordering
Actuators can be ordered separately or together with a valve as an assembly.
Product Numbers
Table 1. A-Series AUMA Industrial Electric Actuators, 120V.
Product
Number
Operating
Mode
Voltage
50/60 Hz
Torque
90° Stroke
Time*
Current Draw (Amps)
(lb-in)
(Nm)
Full Load
Locked
Rotor
A226.21K
On/Off
120 Vac
21,300
2,407
60 sec.
6.5
14
A226.41K
40,680
4,596
A266.21K
Modulating
21,300
2,407
A266.41K
40,680
4,596
* Operating times shown are with 60 Hz power supply. Actuators with 50 Hz power supply will be 20% slower
Warning/Caution
Notations
WARNING:
Personal injury or loss of life may occur if you do not perform a
procedure as specified.
CAUTION:
Equipment damage may occur if you do not perform a procedure
as specified.