SS242TE Danaher
Wake Industrial LLC is not an authorized distributor of this product.
The Danaher SS242TE is part of the Slo-Syn Synchronous Motors series and runs at 72 RPM with a voltage of 240 Vac. This motor provides a minimum running torque of 240 oz-in and supports an axial force up to 50 pounds. It features a frame diameter of 3.385 inches and a bolt circle diameter of 3.875 inches.
Internal Product Review
The SS242TE is a Danaher Slo-Syn synchronous motor that stands out for steady 72 RPM operation and a strong 240 oz-in minimum running torque. Technical evaluation favors the 240 Vac rating with 0.2 A line current, a combination that supports efficient integration into single-phase motion systems. A dependable choice for applications requiring smooth synchronous positioning and consistent drive performance.
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Product Description:
The SS242TE is a single-phase synchronous stepping motor manufactured by Danaher within the Slo-Syn Synchronous Motors series. Designed for industrial automation, it couples the 60 Hz mains frequency directly to rotor position, delivering constant shaft rotation for timing, metering, and light conveying tasks where precise open-loop speed control is sufficient. Its magnetic design maintains phase alignment without feedback, allowing integration into simple drive circuits that require only an AC supply and a phase-shifting capacitor. This operating principle provides consistent low-speed motion without an encoder or a separate electronic positioning system.
Operating from a 240 VAC source, the motor draws 0.2 A of line current under rated conditions. When energized with a 60 Hz signal, the synchronous relationship produces a shaft speed of 72 rpm, so gear reduction is often unnecessary for low-speed duties. A minimum running torque of 240 oz-in is available during rotation, providing sufficient capacity to overcome frictional loads after startup. The supported load inertia is 0.10 oz-in-s², indicating the rotating mass that can be accelerated while the motor remains synchronized with the stator field. Attached components with lower inertia can follow the rotating magnetic field with less risk of losing synchronism during acceleration.
The shaft can accept up to 50 lb of axial load and 25 lb of radial load without exceeding the stated bearing load limits. A maximum frame diameter of 3.385 in allows the motor to fit through compact machine openings, and the four-hole flange uses a 3.875 in bolt circle that matches standard NEMA size 34 mounting patterns. Each mounting hole has a diameter of 0.223 in, while the 2.875 ± 0.002 in pilot centers the housing on the mounting surface. The rear shaft extension measures 1.19 ± 0.04 in, providing the necessary installation clearance behind the motor. A usable flat measuring 1.00 ± 0.01 in supports secure attachment with a set-screw coupling. The external circuit requires a 2 µF phase-shifting capacitor to create the quadrature winding current needed for steady synchronous torque.
