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174935.00 Leeson Washguard VFD 1/2HP 200-240 Volt 2.2Amp 3 Phase

Leeson 174935.00 Speedmaster drive has a food-safe white epoxy finish and is sealed tight for water exposure. This Washguard VFD is easy to install and startup with pre-programmed parameters.

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    Leeson Electric is a leading motors and variable speed drives manufacturer. These micro washguard Speedmaster drives utilize the latest software technology and power conversion circuitry. Easy to install and commission with plain English programming, not symbols to decipher.

    The epoxy finish and wash-resistant enclosure make these VFDs suitable for the food industry. More features include:

    • 200-400V Input Three Phase
    • NEMA 4/12 (IP65 / IP54) steel enclosure in either stainless or food-safe epoxy finish
    • 0-120 Hz Output frequency
    • 16 bit microprocessor
    • Analog output signal – 0-10VDC, speed or load
    • Forward / Reverse
    • Constant torque with adjustable current limit
    • Adjustable carrier frequency, acceleration, and deceleration; plus forward and reverse directions
    • Slip compensation
    • Fully gasketed for frequent washdowns
    • Analog output signal 0-10VDC speed or load


    Here are some variable frequency drive FAQs:

    • How much space is required around the variable speed drive?

    Depending on the VFD series that is being used, maintain the following spacing around each VFD: Micro Series: 2 inches below 5 HP; 4 inches for 5-25 HP; 6 inches for 25-60 HP; 8 inches above 60 HP. SM Plus Series & SM-Series: 1 inch on each side and 2 inches on the top and bottom for 10 HP and below; 1inch on each side and 4 inches on the top and bottom for 15-25 HP.

    •  What is the maximum distance the motor can be from the VFD?

    The motor should be located as close to the VFD as possible (100 feet or less). For applications where the motor is more than 100 feet away from the drive, a load reactor or dV/dt filter should be installed. As motor lead length increases, voltage spikes generated by the VFD’s output transistors become amplified, and may result in motor failure. Adding an output reactor or dV/dt filter reduces the spikes.

    •  Can you program a VFD while it is running?

     Yes, but the changes will not take effect until after the VFD is restarted.

    •  What size circuit breaker or input fuses should be used to protect the VFD?

    Select a magnetic circuit breaker or fuse rated at 1.5 times the input current rating of the VFD. For the Micro Series, SM and SM-Plus Series, the minimum fuse size should be 10 amps, regardless of the input current. The 10 amp minimum is required to accommodate the inrush during power up. The VFD provides motor protection.

    •  What is the input voltage tolerance of the VFDs?

     Leeson VFDs have input voltage tolerances of +10% and -15%.