M-605-A-B1-B2

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The M-605-A-B1-B2 is a servo motor with a rated horsepower of 8.6 HP and a maximum operating speed of 3150 RPM. Manufactured by Kollmorgen as part of the M Goldline Servo Motors series, it features a continuous line current of 27.7 Amps RMS. This motor weighs 51 lb without the brake assembly.

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Product Description:

The Kollmorgen M-605-A-B1-B2 from the M Goldline series is an excellent servo motor for use in industrial tasks.

The motor generates 8.6 horsepower (6.4 kW) to support demanding systems such as machine tools, automation machines, and robotic equipment. The motor performs at 3150 RPM as both its rated speed and maximum operating range. The motor shows 22.2 lb-ft (31.0 N-m) continuous stall torque at 40°C and improves to 23.5 lb-ft (31.8 N-m) when measured at 25°C because of better performance in lower temperatures. The motor generates reliable torque power at all operating loads, allowing steady performance under different usage scenarios. The M-605-A-B1-B2 delivers a continuous direct current of 27.7 Amperes RMS while reaching a peak torque capacity of 64.7 foot-pounds (87.7 newton-meters) when designed for intermittent activities that need forceful acceleration. At its peak performance, the motor supplies 84.8 Amp RMS line current capacity for dealing with active motion tasks. The motor performs electricity efficiently through its 0.234 ohm DC resistance and 6.3 mH inductance, which creates thermal stability.

With rotor inertia at 0.001500 lb-ft-sec², the motor achieves perfect balance between movement speed and heavy object handling. The motor maintains a thermal resistance level of 0.28 °C/W to prevent build-up when working continuously. Despite its weight of 51 pounds or 23.1 kilograms without the brake, the motor remains easy to install and brings strong yet lasting construction. The system integrates an electromagnetic fail-safe brake that maintains a strong force of 35.0 lb-ft (48.0 N-m) to secure the load safely. The M-605-A-B1-B2 delivers proven results for applications that need exceptional accuracy and reliable strength. It can be purchased at Wake Industrial with a one-year warranty.

Continuous Line Current (ic)
27.7 Amps RMS
Continuous Torque (stall At 25ºc)
23.5 lb-ft (31.8 N-m)
Continuous Torque (stall At 40ºc)
22.2 lb-ft (31.0 N-m)
Dc Resistance (rm)
0.234 Ohms
Electromagnetic Fail-safe Brake Torque
35.0 lb-ft (48.0 N-m)
Horsepower (rated)
8.6 HP
Inductance (lm)
6.3 mH
Kilowatts (rated)
6.4 kW
Max Operating Speed
3150 RPM
Peak Line Current (ip)
84.8 Amps RMS
Peak Torque (tp)
64.7 lb-ft (87.7 N-m)
Rotor Inertia (jm)
0.001500 lb-ft-sec²
Speed At Rated Power
3150 RPM
Thermal Resistance (rth)
0.28 ºC/W
Weight (without Brake)
51 lb (23.1 kg)

Frequently Asked Questions about M-605-A-B1-B2:

Q: What power and speed does the M-605-A-B1-B2 servo motor offer?

A: The M-605-A-B1-B2 provides 8.6 horsepower and operates at a steady 3150 RPM, ideal for high-demand automation and machining systems.

Q: What are the torque capabilities of the M-605-A-B1-B2?

A: It offers continuous stall torque performance with improved output at lower temperatures and delivers high peak torque for intermittent operations.

Q: How does the M-605-A-B1-B2 perform in terms of electrical efficiency?

A: With optimized resistance and inductance values, the M-605-A-B1-B2 ensures stable thermal behavior and power-efficient operation during extended use.

Q: What makes the M-605-A-B1-B2 suitable for heavy load and high-inertia applications?

A: Its balanced rotor inertia and powerful braking system allow it to handle heavy-duty loads with smooth acceleration and safe stopping.

Q: What installation and safety features does the M-605-A-B1-B2 include?

A: The motor includes a built-in fail-safe electromagnetic brake and comes in a solid, easy-to-install housing that supports secure load holding.


Internal Product Review

  • ‘‘The M-605-A-B1-B2 is built for industrial environments that demand high torque, precise motion, and strong load control. Its robust construction and consistent performance make it a reliable solution for machine tools, robotics, and automation platforms.’’

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