Page 6 - Ketterer – Brochure Motor Drives and Spindle Drives

Motor drive 3121
Description
Powerful 24 V DC motor with 2-stage worm gear with through going hexagon socket on the output.
The motor cable with AMP plug and the integrated Hall sensors allow secure connection and exact positioning of the entire system.
Special features
▪ Two integrated Hall sensors for measurement of the revolutions and direction of rotation
▪ Through going hexagon socket in wrench widths 6 mm, 7 mm, 8 mm
▪ Good self-locking properties
▪ 220 mm motor cable with connector included
▪ Can be combined with most Ketterer spindle systems
Variant key
The variants are formed by the different wrench widths of the through going hexagon socket.
The design with fork head (see spindle drive 3120.00) is available upon request.
Technical data
Motor
Sensor/Power supply Protection class
Idle running speed
Duty cycle idle speed
Rated torque*
Duty cycle nominal load*
Short term peak torque (<1sec) Input
DC motor 24 V Hall/5 V DC/0.3 A IP30
150 rpm (24 V) 20% (at 5 min.) 3 Nm
20 s ON 240 s OFF 4.5 Nm
hex 6 mm
DC motor 24 V Hall/5 V DC/0.3 A IP30
150 rpm (24 V) 20% (at 5 min.) 3 Nm
20 s ON 240 s OFF 4.5 Nm
hex 7 mm
DC motor 24 V Hall/5 V DC/0.3 A IP30
150 rpm (24 V) 20% (at 5 min.) 3 Nm
20 s ON 240 s OFF 4.5 Nm
hex 8 mm
Model
3121.00-2002
3121.00-2007
3121.00-2008
* Load determined for service life of 10,000 double strokes
61
3121.75-02/20210413