07.10.440-4003 KEB
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The KEB 07.10.440-4003 is part of the Combibox Clutch Brakes series and features both clutch and brake torque ratings of 15 Nm. This unit has a maximum speed of 3000 rpm, a brake power of 16 W, and a clutch power of 20 W. It uses B5 type input and output flanges and has an armature inertia of 2.62e-4 kgm².
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Product Description:
The 07.10.440-4003 is a clutch-brake unit produced by KEB within the Combibox Clutch Brakes series. This electromechanical assembly couples and decouples shafts while also stopping motion, allowing controlled load indexing, axis holding, and drive-train isolation without separate components. By integrating clutch and brake functions in one housing, the device simplifies mounting inside conveyors, packaging machinery, and position-controlled automation cells.
The brake section develops 15 Nm of torque, supplying the holding force needed to arrest a rotating mass at commanded points, while the clutch delivers 15 Nm of torque to transmit drive power during engagement. During continuous operation, the rotor may turn at up to 3000 rpm; this speed ceiling establishes the mechanical operating limit for couplings and bearings around the module. Correct gap adjustment is critical, so the initial running clearance is maintained at 0.3 mm to support proper magnetic attraction and response time. As the friction surfaces engage, the armature moment of inertia of 2.62 × 10⁻⁴ kg·m² affects acceleration when the coil is energized. Brake power consumption is 16 W, while the clutch coil draws 20 W, and these values should be considered when sizing the control power supply. The input flange follows the B5 (2) pattern and mates with IEC motors, while the output flange uses the B5 (1) pattern for gearbox coupling. The friction surfaces can dissipate up to 114 J/s, and the air gap must be readjusted when wear reaches 0.6 mm.
Repetitive stops are governed by a maximum friction work of 3.1 × 10³ J per engagement, which limits the energy that can be absorbed during each braking cycle. The rotor has a moment of inertia of 2.98 × 10⁻⁴ kg·m², representing the rotating disc’s resistance to changes in speed and its contribution to stored kinetic energy. The friction lining is rated for 16.3 × 10⁶ J of cumulative work before 0.1 mm of wear occurs. Operating cycles should remain within the permitted friction work and dissipation limits to prevent excessive heat from accumulating in the friction stack. Periodic air-gap checks support consistent engagement as the lining wears during normal operation.
