Stearns

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Stearns – Motor Brakes and Clutch Products

Stearns, a Division of Rexnord LLC., offers a comprehensive line of standard and special AC and DC industrial brakes and clutches. With over 100 years of design and manufacturing experience, Stearns has built a solid reputation for
quality, commitment to customer satisfaction and superior reliability.

Stearns brakes are known for their reliability in a wide range of industries including food and beverage, cement and aggregate, agriculture, crane and hoist, material handling, mining and packaging, to name a few. Common applications include feed systems, mining conveyors, bridge cranes, hoists, jack up rigs,  baggage handling conveyors, material handling lifts, and more.

Stearns Product Line Overview Brochure


Motor Brakes

Motor Brakes > NEMA Frame

NEMA C-face brakes are designed to allow for direct mounting with coupled equipment. They are commonly used on pump, oil burners and gear reducers.

Motor Brakes > Servo

A servomotor brake offers a compact spring set, power-off brake, designed to hold the driven load or to provide dynamic braking. Features include low backlash, class H insulation, corrosion-resistant finishes, low inertia rotating parts, and a splined hub for quiet, dependable operation.

Motor Brakes > Small Gear

Gear motor brakes are power off style brakes designed to stop or hold a load that is coupled to the armature hub assembly. In the event of power failure, the brake would engage. They are most commonly used in commercial duty for small gear motors.

Motor Brakes > Metric Mount

The International Electrotechnical Commission (IEC) is the world’s leading organization that prepares and publishes International Standards for all electrical, electronic, and related technologies.

Motor Brakes > Hazardous Location

Stearns manufactures a complete line of disc brakes designed from the hazardous locations defined in the National Electric Code (NEC). They provide protection from explosive gases or ignitable dusts in rigorous industrial environments.

Motor Brakes > Foot Mounted with Bearing Supported Thru-Shaft

Foot mounted brakes are designed with dual shafts that can be coupled to the drive shaft, pulley, or sprocket. They are most commonly used in large machinery applications.


Clutches

Clutches > SuperMod

SuperMod are designed to increase flexibility and reliability and come in clutch-brake, clutch only or brake only configurations.

Clutches > Heavy Duty

Offered in both spring engaged (power-off) and electrically engaged (power-on) platforms, Stearns heavy duty product provide the heavy lifting and holding in a variety of applications, including steel mills, and bridge lifts.

Clutches > Shaft Mounted

Thru-shaft mounted unit with bearing supported stationary field provides clutching function for two parallel shafts when a sheave or sprocket is installed.


SINPAC Electronic Start Switches

SINPAC switches are designed to replace mechanical centrifugal switches for switching between the start and run winding for single phase AC electric motors. These are a reliable solid state replacement of the mechanical switch. Common applications include pumps, ovens, commercial laundry, and compressors.

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