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Reell Product Data Sheet
Clutch :: EC25 - 14319 EC25 Clutch
The model EC25 high performance clutch has provenideal for applications requiring consistently repeatable
performance for 1 million actuations at 25 lb-in (2.83
N-m) of total load. Slip during engagement is virtually
eliminated and disengagement response is instant.
Reell’s clutches are designed for easy mechanical and
electrical assembly and for low power consumption.
The EC25 offers high quality performance and
increased torque capacity at a competitive price.
Design Characteristics Application Considerations
Operating Parameters Technology Single Direction Engagement Relative to Speed Relative High Shock EC25 performance is best within the following
conditions: •0°- 40°C (32°-104°F)
•100-800 rpm typical, 1400 rpm max.
•Minimum load friction torque 6 oz-in (0.05N-m) plus customer input bearing torque. Electromechanical wrap
spring clutch. Wrap
spring clutches provide torque only in
the direction in which they wrap down. This
allows for overrunning. The EC25 relies on relative motion between
the input and output for engagement. Thus,
the slower the speed, the longer the time until
engagement. Due to the EC25’srapid acceleration, system
inertia effects can be significant. In some
applications an in-line slip device may be used
for shock absorption. Low Wattage Rapid Acceleration High Torque, Small Package Size Consistent Performance Power Source The EC25 requires only 2.5 watts of power for
engagement. After
spring wrap-down, the EC25 will
accelerate loads from zero to full speed in less
than 3 milliseconds. The EC25 provides 25 lb-in (2.83 N-m) of total
load over a life of 1 million actuations with an
outside diameter of about 1.2 inches (30mm),
and a shaft length of about 1 inch (27mm). Engagement is made with virtually no
slippage and disengagement is almost
instantaneous. All Reell
clutches operate on either filtered or
unfiltered dc power. The use of filtered power
is recommended for better life at high speed. Innovative Torque Solutionswww.reell.com
