Electric Rotary Actuators 2SA7
Technical Data
Y070.304/EN Page 3
Lubrication
The gears are filled with durable gear oil. They therefore require little maintenance. The maintenance intervals after commissioning must be ob-
served (refer to recommendations in operating manual). The bearings of output shaft type A are lubricated with grease.
Degree of protection
The actuators meet the requirements of IP68 protection as standard (DIN EN 60529).
They are fully screen-protected (electrical voltage and moving parts) and protected against the ingress of foreign bodies (dust), and against harm-
ful quantities of water on continuous immersion up to max. 3 m head of water for a duration of max. 72 hours. During flooding up to 10 motor
operations (switching cycles) are permitted.
IP68-8, continuous immersion up to max. 8 m head of water, on request!
Vibration performance
Electric rotary actuators 2SA7 are certified according to:
Acceleration Frequency range Throughput speed Test duration
Germanischer Lloyd 0.7 g 5 – 200 Hz in the resonance frequencies min. 1.5 h / in 3 directions
EN 60068-2-6 2 g 5 – 500 Hz 1 octave/min 20 sweeps (10 cycles) / in 3 directions
Loads according to EN 60068-2-6 up to 5 g for separate mounting of electronics and gear unit on request.
The actuators can withstand a continuous load caused by plant-generated vibrations within a frequency range of 5 Hz – 200 Hz at up to 0.5 g.
Ambient temperature
There are no functional restrictions for the temperature range of -20 °C to +60 °C. Lower or higher temperatures on request!
Installation altitude above sea level
The actuators are designed for an installation altitude up to 2,000 m above sea level.
Since the insulating properties of air decrease with increasing installation altitude, a voltage derating for the maximum permissible operating volt-
age has to be considered at installation altitudes above 2,000 m.
Installation altitude
above sea level [m]
Derating
factor
permissible
operating voltage
[V AC]
2000 1 460 + 15% (530 + 0%)
3000 0.88 405 + 15% (465 + 0%)
4000 0.77 355 + 15% (410 + 0%)
When considering a limited permissible voltage tolerance, SIPOS actuators can be safely operated at installation altitudes of up to 4,000 m with 3-
phase 400 V AC (–15%/+0%).
530
460
400
[V AC]
380
permissible operating voltage
Voltage derating
(Rated operating voltage 530 V AC = 460 V AC +15%)
Installation altitude above sea level
[m]
2000 3000 4000
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