KS Series High Torque AC Synchronous Motors

Features

• NEMA 23 torque rating 80-185 ounce-inches (56 to 131 Ncm)

• NEMA 34 torque rating 240-700 ounce-inches (169 to 494 Ncm)

• High power - allows use of a smaller motor

• Smooth, quiet operation

• Rugged construction to provide long life

• Start, stop or reverse within 1 1/2 cycles of the applied frequency

• Operated from single-phase power sources using phase shifting network

• Impedance protected, can be stalled without damage

• Starts higher inertial loads

• Offered with leads or terminal box

• Rear shafts available

• Gearmotors available

• CE compliant motors available

Superior Electric SLO-SYN — long recognized as the leader in slow speed synchronous motor technology, has achieved new levels of performance with its KS Series of AC Synchronous Motors.

Utilizing the latest in design and magnetic technologies, the KS Series produces double the torque of their predecessors. This achievement allows the user to reduce the size and weight of the motor, increase system performance, improve productivity, and reduce cost.

The KS Series is available with 12 inch leads or a terminal box in six sizes to meet all or your AC Synchronous Motor System needs.

Produced in an ISO9001 environment, these high technology AC Synchronous Motors are backed with the quality and reliability of a company known for performance and value, since 1938.

Gear Motors

Features

• Up to 5000 ounce-inches (3531 Ncm) torque

• Ratios from 3:1 to 125:1

• Efficiency to 88%

• Maintenance free

• Long operating life

• 150 lb (68 kg) radial load capacity

• 100 lb (45.4 kg) axial load capacity

• Typical output shaft backlash is 2°

Note: Gearboxes for 93 motors
must be installed at the factory.

SLO-SYN AC Gearmotors mate SLO-SYN 90 series Synchronous Motors
with stepdown gear boxes for applications where slow shaft speeds or high torque are needed.

The rugged gearbox developed for SLO-SYN AC Gearmotors has been designed to allow
high output torque ratings, while providing long life. The gearmotors are permanently lubricated and no scheduled maintenance is needed. The gearbox is rated for 5000 ounce-inches (3531 Ncm) maximum output torque.
Gearbox efficiency is 68% to 88%, depending on the number of stages. The output shaft of the gear assembly
is slotted to accept a standard Woodruff key (supplied) for easy and positive coupling to the load.
Nineteen ratios from 3:1 to 125:1 are offered.

Model Number Nema Frame

Rated Torque
Oz-in

Speed RPM Standard Option
KSL06x 23 80-135 60-72 L, T, E
KSL09x 34 240-5000 0.48-72 L, T, E, G
KSL11x 42 700-1500 60-72 L, T, E
L - Leads, T - Terminal Box, E - Rear Shaft, G - Gearhead

*To order a motor with a rear shaft extension, add E to the end of the type number. Example: KSL061T1YE.
To order a motor with a terminal box, change KSL to KST. Example: KST061T1Y
To order a gearmotor (90 series only), add G and desired ratio to the end of the type number. Example: KST091T2YG20.

†This is the maximum rigidly attached load inertia the motor will reliably start.
If the load is attached to the motor with a coupling that has a 5° flex, the motor can start loads up to seven times listed.

For more detailed information please see the Synchronous Motor Catalog.



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