B-606-A-B1-B2E1 Kollmorgen
Wake Industrial LLC is not an authorized distributor of this product.
The Kollmorgen B-606-A-B1-B2E1 is part of the Goldline B and BH Motors series. It has a rated power of 6600 W and a rated speed of 1550 RPM. The motor provides a continuous stall torque of 44.8 N-m and operates at an IP65 protection rating, with a back EMF constant of 135.4 Vrms per kRPM.
Internal Product Review
The B-606-A-B1-B2E1 is a Kollmorgen Goldline servo motor with IP65 protection and 6600 W rated power. Continuous stall torque of 44.8 N-m and peak stall torque of 131.8 N-m give the motor strong low-speed authority for demanding axis duty. A 90 VDC brake delivering 48.0 N-m adds solid holding capability, making the unit a very capable choice for precision motion systems.
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Product Description:
The B-606-A-B1-B2E1 is a permanent-magnet servo motor manufactured by Kollmorgen for the Goldline B and BH Motors series. It is intended for precision industrial automation, pairing with digital drives and feedback devices to position loads on conveyors, robotic joints, or converting lines. By delivering fast torque response and accurate velocity control, the motor helps machines maintain cycle times while eliminating the backlash found in gear-based transmissions. The model serves in coordinated multi-axis systems where tight tension regulation and repeatable indexing are required.
During steady operation, the motor delivers 6600 W at a shaft speed of 1550 rpm, producing a nominal torque of 40.66 N-m under rated load. For continuous holding force, it sustains 44.8 N-m at stall while drawing 20 Arms. The electromagnetic design provides a torque constant of 2.24 N-m/Arms, so proportional current commands yield predictable torque increments. Winding parameters include 0.5 Ω DC resistance and 15.6 mH inductance, which affect the electrical time constant and current-loop bandwidth. A back EMF constant of 135.4 Vrms/krpm indicates the voltage generated during regeneration, while the 0.00304 kg·m² rotor inertia balances rapid acceleration with mechanical stability. Adding an encoder increases the overall motor length by 29.7 mm, which must be considered when planning the installation space.
For short overloads, the motor can reach 131.8 N-m of shaft torque when the drive supplies 62 Arms; these peak values help overcome static friction or accelerate heavy loads. A spring-applied electric brake delivers 48.0 N-m of holding torque at 90 VDC, securing vertical axes during a power loss. The housing carries an IP65 rating, preventing dust ingress and withstanding low-pressure water jets. Thermal rise at stall is moderated by the copper resistance and winding inductance, allowing peak operation for brief duty cycles without exceeding the insulation limits.
