BH-626-C-B3-032 Kollmorgen
Wake Industrial LLC is not an authorized distributor of this product.
The Kollmorgen BH-626-C-B3-032 is a servo motor from the Goldline B and BH Motors series and has a continuous stall torque of 36.6 Newton-meters with a torque constant of 4.35 Newton-meters per Arms. It provides a peak stall torque of 126 Newton-meters and operates with a brake voltage of 24 VDC. The motor weighs 29.9 kilograms and has an inductance of 61 millihenries.
Internal Product Review
The BH-626-C-B3-032 is a Kollmorgen Goldline BH motor with 36.6 N-m continuous stall torque and 8.4 Arms continuous stall current. A 24 VDC brake rated for 48 N-m adds dependable holding performance in controlled motion systems. The 4.35 N-m/Arms torque constant and 126 N-m peak stall torque make the BH-626-C-B3-032 a strong choice for demanding servo applications.
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Product Description:
The BH-626-C-B3-032 is a brushless servo motor manufactured by Kollmorgen and included in the Goldline B and BH Motors series. Designed for demanding servo axes in machine tools, material-handling gantries, and packaging equipment, the motor converts drive current into precise rotary motion while supplying high continuous torque at low speed. The unit integrates with compatible Kollmorgen drives to provide closed-loop positioning, speed regulation, and rapid acceleration in industrial automation systems. Its brushless design supports electronically controlled commutation without the mechanical wear associated with brushes, making it suitable for repeated motion cycles.
The motor delivers a continuous stall torque of 36.6 N-m while drawing 8.4 Arms from the amplifier. This continuous capacity is supported by a torque constant of 4.35 N-m/Arms, so increases in current produce predictable changes in mechanical output. A back electromotive force constant of 263 Vrms/kRPM indicates the voltage returned to the drive as rotor speed increases. Electrical losses are limited by a DC resistance of 2.2 ohms, and commutation occurs across six magnetic poles. At zero speed, the rotor must overcome 0.941 N-m of static friction. Once the rotor is moving, an additional damping value of 0.146 N-m per kRPM accounts for viscous drag during operation.
Transient demands are supported by a peak stall torque of 126 N-m, which can be produced with up to 30.4 Arms for short intervals. Electromagnetic energy is stored in the 61 mH phase inductance, balancing current ripple with response speed. The rotor has an inertia of 0.00304 kg-m², enabling fast reversals without excessive current demand, and the complete motor weighs 29.9 kg. A rear-mounted holding brake supplies 48 N-m of holding torque and releases at 24 VDC, preventing load drift when motor power is removed. The winding has a thermal time constant of 38 minutes, allowing it to absorb heat generated during moderate short-term overloads. This time constant must be considered when configuring duty cycles that include repeated acceleration, deceleration, or holding periods.
