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WITA® actuators are distinguished by a compact design, durability and versatility. The product is equipped with a reversible synchronous motor and a maintenance-free gear. Depending on the actuator type, the device is electrically connected via a lead or a terminal pre-assembled in the casing. The actuators are applied particularly in heating and air conditioningsystems, and can be used with 3-point controllers or switching contacts. Moreover, the product is available for DN15 to DN100 mixing valves.
Operating voltag | 230V AC, 50 Hz oder 24V AC, 50 Hz +- 10% (Din IEC 600038) |
Torque | 6 Bm / 10 Nm |
Angle of rotation | 90° Factory setting |
Running time | 60 sec. / 90°, 150 sec. /90 °, 210 sec. /90° |
Protection class | II |
Protection type | IP 40 |
Ambient temperature | 0 °C — 50 °C |
Storage temperature | -20 °C — 60 °C |
Equipment |
Non-blocking toothed wheels made of plastic
and metal
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2 m power supply cable | |
Apters allow you to easily mount various components
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Easy manual adjustment | |
Otionally, SM 4.10 actuator can be delivered
with a pre-assembled potential free limit switch
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SM 4.10 model is equipped with cams adjustable
by 15° (range: 15°-345°)
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Can be combined with conventional heating controllers | |
Version | |
SM 4.6 (6 Nm)
SM 4.10 (10 Nm) |
Can be used with a 3-point controller for systems
with motor- driven mixing valves.
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SM 4.6C (6 Nm)
SM 4.10C (10 Nm) |
Can be used with a 3-point controller (with a solid state output)
for systems with motor- driven mixing valve.
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SM 4.6R (6 Nm)
SM 4.10R (10 Nm) |
Can be used in environments where the mixing
valve functions as a valve.
The operating voltage can be switched on with
a thermostat ON/OFF switch or a 2-point controller.
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