B-606-BA-91-TR503-008 Kollmorgen
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The Kollmorgen B-606-BA-91-TR503-008 is part of the Goldline B and BH Motors series and has a rated power of 11.2 kW with a rated speed of 3050 RPM. The motor provides a continuous stall torque of 42.0 N-m at 40°C and has a peak torque of 126.0 N-m. It operates with a continuous line current of 37.5 A RMS and weighs 29.9 kilograms.
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Product Description:
The B-606-BA-91-TR503-008 is a brushless servo motor produced by Kollmorgen for the Kollmorgen Goldline B and BH Motors series. The unit functions as the rotary actuator in motion platforms, providing commanded torque and speed so that automated machinery can index, follow profiles, or hold position under digital drive control. Its electromagnetic design is optimized for continuous-duty industrial automation where repeatable response and wide-bandwidth velocity loops are required.
At the electrical interface the motor delivers 11.2 kW of mechanical output when running at its rated shaft velocity of 3050 RPM. Achieving this operating point requires a continuous supply of 37.5 A RMS per phase from a drive that can present up to 250 VRMS line-to-line. The phase windings present a resistance of 0.140 Ω and an inductance of 3.8 mH; together these parameters define copper loss, electrical time constant, and current ripple during PWM switching. A back electromotive force constant of 67.7 VRMS/kRPM couples rotor speed to generated voltage, while a torque constant of 1.12 N-m/A RMS links armature current to produced torque. Under these conditions the motor stays within thermal limits at 40 °C ambient and provides stable dynamic performance for precision servomechanisms.
The mechanical side is defined by a continuous stall capability of 42.0 N-m, allowing the axis to hold static loads without overheating, and a peak torque ceiling of 126.0 N-m for short accelerations that last up to several hundred milliseconds. These impulses draw up to 118.6 A RMS from the drive, so cabling and fusing must be selected accordingly. Low rotor inertia of 0.00304 kg-m² supports rapid acceleration while still damping small load disturbances. Despite its compact frame the motor weighs 29.9 kg, a factor that influences mounting hardware and gantry balance. When matched with compatible Goldline drives and operated within the bus voltage limit, the motor provides repeatable torque margins for indexing tables, gantries, and automated test fixtures.
Frequently Asked Questions about B-606-BA-91-TR503-008:
Q: What is the continuous stall torque of the B-606-BA-91-TR503-008 motor?
A: The B-606-BA-91-TR503-008 delivers a continuous stall torque of 42.0 N-m at 40°C.
Q: What is the maximum line voltage that the B-606-BA-91-TR503-008 can handle?
A: This Kollmorgen motor supports a maximum line voltage of 250 VRMS during operation.
Q: What is the rated speed of the B-606-BA-91-TR503-008 Goldline B series motor?
A: The rated speed for this model is 3050 RPM, enabling high-speed applications.
Q: What is the peak torque capability of the B-606-BA-91-TR503-008 motor?
A: A peak torque of 126.0 N-m is available for short-duration demands in the B-606-BA-91-TR503-008.
Q: What is the torque constant of the B-606-BA-91-TR503-008 motor?
A: This motor has a torque constant of 1.12 N-m/A RMS, characterizing its efficiency in producing torque per ampere of RMS current.
