EB-206-B-91-B3-001 Kollmorgen
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The Kollmorgen EB-206-B-91-B3-001 is part of the EB Explosion Proof Motors series and features a continuous stall torque of 6.24 Newton-meters and a rated voltage of 230 VRMS. This motor has a brake coil voltage of 24 VDC and brake static torque of 6.0 Newton-meters. It has a 92 mm diameter shaft and a motor length of 315.4 mm, with a pole count of 4.
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Product Description:
The EB-206-B-91-B3-001 is an explosion-proof synchronous servo motor manufactured by Kollmorgen and included in the EB Explosion Proof Motors series. Its flame-tight housing and threaded conduit ports allow operation in Class I or Zone-rated environments where ignitable gases may occur, while the motor supplies closed-loop torque and speed for industrial valves, mixers, or precision positioning stages that must remain ignition-safe. When paired with a compatible drive, the unit converts 230 VRMS three-phase power into rotary motion without producing external arcs or hot surfaces.
During continuous duty, the stator windings draw 5.8 ARMS at the rated line voltage and generate a constant stall output of 6.24 N·m. Electromagnetic energy is stored in 32 mH of phase inductance, while a back-electromotive-force constant of 65.1 VRMS/KRPM relates shaft speed to the voltage returned to the amplifier for velocity estimation. Thermal rise is moderated by low copper losses because the DC winding resistance is 2.32 Ω. A power-off brake is fitted, and it uses 24 VDC to release the brake for rotation; when that voltage is removed, the brake clamps the load for maintenance or emergency stops.
The brake coil impedance of 39.7 Ω limits inrush current during operation, and its mechanical coupling holds up to 6.0 N·m so vertical axes stay fixed during power loss. The cylindrical frame measures 92 mm in diameter and 315.4 mm in overall length, providing adequate thermal mass while fitting standard mountings. Dynamic response is influenced by a rotor inertia of 0.000251 kg·m², balanced against the four-pole magnetic design to support quick acceleration without excessive overshoot. A 14 mm shaft diameter with a 30 mm extension transmits torque through couplings while maintaining alignment in sealed bearing seats.
Frequently Asked Questions about EB-206-B-91-B3-001:
Q: What is the continuous stall torque of the EB-206-B-91-B3-001 motor?
A: The EB-206-B-91-B3-001 motor has a continuous stall torque of 6.24 N·m, suitable for applications needing sustained torque output.
Q: What is the rated voltage of the EB-206-B-91-B3-001 motor?
A: The rated voltage for this Kollmorgen explosion proof motor is 230 VRMS.
Q: What are the brake coil electrical characteristics of the EB-206-B-91-B3-001?
A: This motor features a brake coil with a resistance of 39.7 Ω and a coil voltage of 24 VDC.
Q: What is the shaft diameter of the EB-206-B-91-B3-001 motor?
A: The shaft diameter on this model is 14 mm, providing compatibility with corresponding couplings or machinery.
Q: What is the rotor inertia value for the EB-206-B-91-B3-001 motor?
A: The rotor inertia of the EB-206-B-91-B3-001 is 0.000251 kg·m², which influences its acceleration characteristics.
