M-203-S-23

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The M-203-S-23 is a high-performance servo motor with a rated speed of 7500 RPM and a continuous torque of 1.64 lb-ft at 40ºC. Manufactured by Kollmorgen as part of the M Goldline Servo Motors series, it features a peak torque of 4.68 lb-ft and a weight of 8.5 pounds. Additional specs include a thermal resistance of 0.87°C/Watt at stall.

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Product Description:

The Kollmorgen M-203-S-23 model from the M Goldline Servo Motor series works as a high-speed motor in industries.

At its rated 7500 RPM speed, this motor works perfectly for robotics systems and automated tools that need quick responses with reliable torque. This servo motor offers 1.64 lb-ft continuous torque at 40ºC that boosts to 4.68 lb-ft under load adjustment demand for quick changes. This motor has a top speed acceleration rate of 96,500 rad/sec² that works best for systems where fast starting and stopping must occur. To deliver high torque performance and stable motor operation, this machine uses four poles. The small rotor inertia value of 0.0000340 lb-ft-sec² provides quick control over acceleration and deceleration without added braking force. The motor reacts faster than standard motors due to its quick response, which works best with precision motion controller systems. The motor handles normal and peak loads while staying cool because its thermal properties include an 18-minute thermal time constant and heat dissipation at 0.87°C per Watt of power.

The M-203-S-23 motor functions well with regular servo drive systems that use 250 Volts across the RMs rating. It generates a strong 22.5 VRMS/kRPM line-to-line back EMF signal that enables accurate monitoring and control systems. The motor uses its 6.85-ohm DC resistance to lower power usage and control heat buildup naturally. The motor moves smoothly between positions because of its static friction of 0.07 lb-ft and viscous damping of 0.005 lb-ft/kRPM settings. The motor system comes set at only 8.5 pounds, including the built-in brake for a small and easy-to-work-with setup. The M-203-S-23 motor successfully services missions that need fast and exact motion operations. It can be purchased at Wake Industrial with a one-year warranty.

Back Emf (line-to-line)
22.5 VRMS/kRPM
Continuous Torque At 40ºc
1.64 lb-ft
Dc Resistance
6.85 ohms
Maximum Theoretical Acceleration
96500 rad/sec²
Number Of Poles
4
Peak Torque (tp)
4.68 lb-ft
Rated Speed
7500 RPM
Rated Voltage
250 V RMS
Rotor Inertia (jm)
0.0000340 lb-ft-sec² at 40ºC
Static Friction (tf)
0.07 lb-ft
Thermal Resistance At Stall
0.87°C/Watt
Thermal Time Constant
18 minutes
Viscous Damping
0.005 lb-ft/kRPM
Warranty
One-year
Weight (with Brake)
8.5 lb

Frequently Asked Questions about M-203-S-23:

Q: What speed and torque capabilities does the M-203-S-23 servo motor offer?

A: The M-203-S-23 operates at a rated speed of 7500 RPM, delivering continuous and peak torque performance suitable for fast-moving applications.

Q: How does the M-203-S-23 support quick acceleration and deceleration?

A: With a high acceleration rate and low rotor inertia, the M-203-S-23 enables rapid starts and stops, ideal for precision motion control.

Q: What kind of drive and voltage is compatible with the M-203-S-23?

A: The M-203-S-23 works with standard servo drive systems operating at 250 V RMS, supporting efficient energy use and consistent control.

Q: What makes the M-203-S-23 suitable for thermal performance and reliability?

A: The motor features excellent thermal dissipation and time constants that allow it to handle dynamic load changes while maintaining cool operation.

Q: What are the physical and mechanical highlights of the M-203-S-23?

A: Weighing only 8.5 pounds with a built-in brake, the M-203-S-23 offers compact size, easy installation, and smooth motion with minimal static friction and damping.


Internal Product Review

  • ‘‘The M-203-S-23 is designed to deliver outstanding responsiveness and torque stability in fast-paced industrial settings. Its compact build and precision handling make it a go-to solution for robotics, automation tools, and motion control systems.’’

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