07.10.3.0 KEB
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The KEB 07.10.3.0 is part of the Combibox Clutch Brakes series and has a standard coil voltage of 24 V DC. This unit provides both rated brake and clutch torque of 15 Nm, with a maximum speed of 3000 rpm. The clutch has a power input of 20 W and an engage time of 95 milliseconds, while the brake power input is 16 W.
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Product Description:
The 07.10.3.0 combination unit is a dry-running electromagnetic clutch-brake produced by KEB for the Combibox Clutch Brakes series. Installed between the drive shaft and driven shaft, the clutch transmits torque when energized, while the brake secures the load after power is removed. Switching between these operating states through a control panel or PLC supports rapid index positioning, cycle synchronization, and controlled deceleration in conveyors, packaging stations, and light machining centers. The dry-running design also avoids the need for an oil supply around the friction surfaces, which can simplify integration into compact machinery.
On the clutch side, the unit transfers up to 15 Nm across its rated air gap of 0.3 mm. Engagement occurs within 95 ms, allowing the driven shaft to respond quickly to control commands during repetitive machine cycles. The coil consumes only 20 W, which helps limit heat buildup during frequent operation. The mechanism can operate at shaft speeds up to 3000 rpm when the control supply remains at 24 V DC. An armature inertia of 2.62 × 10⁻⁴ kg·m² limits torsional shock on the drive, while a rotor inertia of 2.98 × 10⁻⁴ kg·m² supports smooth acceleration. If wear increases the working gap to the 0.6 mm readjustment value, the assembly must be shimmed to restore proper response and torque transmission.
The brake section provides holding force and dynamic stopping capacity while its coil draws only 16 W during excitation. After power is removed, the brake arrests shaft motion in approximately 20 ms, helping reduce positional drift during indexed operation. Repeated stops can produce up to 3.1 × 10³ J of allowable friction work per cycle without exceeding the stated thermal limit. The housing tolerates a radial or axial load of 370 N at the 20 mm L/2 reference point, protecting the bearing arrangement when the unit is connected to feeders or compact gearboxes. Routine inspection of friction-lining wear and maintenance of the required running gap help prevent torque loss and preserve coordination between clutch engagement and brake release.
