| Certification: | CCC, ISO, CE |
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| Power Supply: | AC380V |
| Power Source: | Electric Power |
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An electric actuator is a mechanical device used to convert electricity into kinetic energy in either a single linear or rotary motion. It automates damper or valve in order to increase process efficiency and complexity. Designs for electric actuators are based on the specific tasks they accomplish within the processes for which they're intended, and they can vary in both dimension and size.
The motor of an electric actuator can operate on any voltage and is used across many different industries. The most common voltages used in single-phase motors are 115 VAC, 24 VAC, 12 VDC, 24 VDC, 208 VAC and 230 VAC. In addition to these options, three-phase motors also use voltages of 230 VAC and 460 VAC.
An actuator's brake is mounted on top of the motor. It's responsible for stopping the media from forcing the valve open when it should be closed by locking the motor rotor in position when not in use.
The motor start capacitor is the third main component of an electric actuator with AC motor. It gives the motor enough power to start. Electric actuators with DC motors do not require a capacitor.
The final critical component of an electric actuator is the two single-pole, double-throw (SPDT) end of travel limit switches. One is for the closed position, and the other is for the open position. These switches provide the adequate number of electrical contacts in the immediate, closed, and open positions.
Basically, an electric actuator is one kind of gear motor which can be of various voltages and is the main torque producing component. To stop extreme current draw, electric actuator motors are generally set with a thermal overload sensor fixed in the motor windings. This sensor is energetic in series with the power source and unlocks the circuit should the motor be excited, then locks the circuit when the motor attains a secure operating temperature.
An electric motor consists of an armature, an electrical winding, and a gear train. When power is supplied to the winding, a magnetic field is generated causing the armature to rotate. The armature will turn as long as there is a control to the windings when the power is cut, the motor discontinues. Typical end of travel limit switches, which are essential for an electric actuator, handles this mission.
These actuators rely on a gear train, which is attached straight from the motor to improve the motor torque and say the output speed of the actuator. The single way to alter the o/p speed is to fit a cycle length control module. This module lets an increase in cycle time only. If a reduction in cycle time is necessary, an alternating actuator with the preferred cycle time and correct output torque must be used.
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