Electrical

05/01/2005


Redesigned drive

H2 is a line of adjustable speed drives that operates as a vector, encoderless vector, or ac servo motor control. The drive offers a larger graphical display added to the keypad, which provides multiple lines of English text display, selectable type sizes, and simple programming. The keypad also features more keys and faster navigation with directional arrows and enhanced soft programming keys. Extensive diagnostic information is available with error logging and help text features.

Baldor Electric Co. www.baldor.com Write 300 on PE card

Drive with preconfigured parameters

Movitrac LTE frequency inverter comes equipped with predefined parameter settings and a user-friendly integrated control unit for standard applications. Features include integrated operating panel with local control and seven-segment display, 14 preconfigured standard parameters, four binary terminals with the ability to accommodate 12 different functions, analog input with 12-bit resolution, analog output, easy mounting, and low-noise motor operation.

SEW-Eurodrive www.seweurodrive.com Write 301 on PE card

Compact ac drives

Bronco VFD Series variable frequency ac drives have an isolated front end and a voltage doubler circuit that can output 230 Vac to a motor from a 115 Vac supply. These dual-voltage inverters can also accept a speed reference signal without a separate isolation card and are available for up to 1.5 hp operation. Inverter can be set for automatic or manual restart as well as adjustable dc injection braking and coast-to-stop functions.

Danaher Motion www.DanaherMotion.com Write 302 on PE card

Geared motor

BS Series worm geared motors come as a standard right-angle two-stage design. Installation options include foot or flange mounting with single or double output shaft, shaft mounting with in-keyed hollow shaft, or shrink disk version with torque arm. Unit is available with a power range from 0.05 hp to 7.5 hp with output speeds of 0.2 rpm to 300 rpm. Motors include stator windings of high quality insulated enameled copper wire, an aluminum die-cast cage rotor, and high quality gears.

Danfoss NAMC www.namc.danfoss.com Write 303 on PE card

Lock-out relays

Lock-Out Relays protect critical electrical equipment in utilities and plants. Models include manual-, electric-, or self-reset types. Manual reset types are reset by the operator moving the handle back to normal and have nominal trip speeds less than 8 milliseconds at rated voltage. Electric-reset models can be reset either manually or through a command from a supervisory control. Self-reset units reset automatically once the trip has been cleared. Reset is either instant or according to a factory-set time delay.

Electroswitch www.electroswitch.com Write 304 on PE card





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