EMN2449A1S-3UFL

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EMN2449A1S-3UFL is a multi-mode frequency inverter manufactured and designed by Allen-Bradley for use in the control of motors with high quality speed. EMN2449A1S-3UFL is designed to efficiently control single-phase and three-phase motors from 18 to 220V. The frequency inverter has a built-in electromagnetic compatibility (EMC) filter and fully compliant to the EMC standard EN50081-2.

EMN2449A1S-3UFL application field includes pump and fan control, process machine speed control, industrial machinery control and switching drives, as well as many more. The frequency inverter is perfectly suited for applications where high power loads are required, such as in industrial and commercial sites, manufacturing plants, and substation industry projects. The frequency inverter can be used with both three-phase and single-phase motor applications.

The EMN2449A1S-3UFL frequency inverter is a compact, versatile, and fast device. It can operate from 18 to 220 volts at a frequency of 2 to 20 kHz, and it features a range of speed and performance settings to match the requirements of any specific application. Its external pulse-width modulation (PWM) control allows for the adjustment of motor parameters without the need of remote control units. Its sinusoidal current output provides less harmonics which results in better efficiency and enhanced motor life.

The working principle of the EMN2449A1S-3UFL is relatively simple. It is an inverting circuit that takes the input voltage and produces an output voltage. The input voltage is converted to a square wave, and this square wave is then inverted to produce the output voltage. The output voltage is then utilized for controlling motors. The frequency inverter has low EMI and RFI emissions and enhanced output filtering capability which make it suitable for use in both industrial and residential applications.

The EMN2449A1S-3UFL frequency inverters feature solid-state construction and are available in panel mount and rack mount configurations. It utilizes a universal single phase supply and low-cost fast switching IGBTs to achieve low input power factor and good efficiency. The frequency inverter operates over a wide range of speeds and offers a smooth, quiet output even at high speed. The EMN2449A1S-3UFL frequency inverter also features a time-delay start, which allows for full startup torque with a gradual ramp-up.

In conclusion, the EMN2449A1S-3UFL is an advanced frequency inverter that provides reliable and precise control for both single-phase and three-phase motors. It offers a wide range of speed settings and features a low EMI, low RFI, and high efficiency. It is ideal for applications where a high power load is required, and its time-delay start feature ensures a smooth and quiet start up even at high speeds.

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