Vmax-VFD systems designed by DEKKER vacuum Technologies, Inc. are liquid ring vacuum pump systems using oil as the seal-liquid. The systems operate with a Variable Frequency Drive which reduces the speed of the vacuum pump when demand for vacuum decreases, resulting in substantial savings. (read more)

Infinitely Variable Speed Capability Now Available on EC Model Hoists — at the Push of a Button (read more)

Control Resources is answering the call for an economical variable frequency drive for fractional horsepower AC fans and motors. With the input control design based on our "award winning" Nimbus TRIAC control, this VFD promises to offer the most programming flexibility on the market. Sample quantities should be available soon. (read more)

VFD / AC Motor Drive Technology has reduced in size & increased efficiency! This safe & reliable solution is HELUKABEL's TOPFLEX-EMV-3 PLUS cable (3 control conductors up to 150 mm2 (350 MCM) & 3 ground wires), with EMI protection using dual shield method (aluminum foil surrounded by tinned copper). Applications: Automobile, Food Packaging & Printing Industries. Call Today! (read more)

The Under the Cover Variable Frequency Drive is available on three phase 460/3 or 230/3 hook mounted Lodestar hoists. This option provides variable speed control with a single speed motor and offers a six to one speed ratio. Three programmable outputs, motor thermal overload protection, and an external brake resistor are standard. (read more)

The F7 Drive: This AC drive is the Industrial Workhorse that can handle every conventional application found within the typical industrial plant from simple variable torque pumping to sophisticated networked material handling. (read more)

AutomationDirect offers a wide variety of AC inverter-duty and vector-duty motors from Marathon Electric Manufacturing Corporation®. Motors come in a variety of horsepower ranges from .25 to 100 Hp. These high-quality industrial motors are rated for continuous operation in a 40°C ambient and for altitudes up to 3,300 feet (1,000 meters) above sea level. Prices start at $119. (read more)

COFFING JLC-V MODELS – Redefining Lifting – The compact size of the drive unit allows neat and complete placement under the cover of the hoist. The Variable Frequency Drive allows for unsurpassed load-spotting and inching capability & offers additional speed flexibility that standard 2-speed motors cannot offer. (read more)

These Variable Frequency Drives are designed specifically for Building Automation Systems, air handlers, cooling towers, and other commercial fan and pump applications. (read more)

Hitachi L200 drives are full-featured inverters in a compact package. Their cutting-edge functions include side-by-side mounting, built-in timing logic and analog input math (PLC) functions, DIP-switch hand-off-ratio and RS485 Modbus RTU communication interface. An optional NEMA4X keypad allows for panel mounting. (read more)