PMB31B-10100-03

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The PMB31B-10100-03 brushless servomotor offers a rated torque of 10 Nm, a rated speed of 3000 rpm, and IP65 protection class. Manufactured by Pacific Scientific as part of the PMB Brushless Servomotors series, it features a 2500 PPR incremental encoder and weighs just 3.8 kilograms.

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Product Description:

The PMB31B-10100-03 Motor incorporates winding designator B and a precision-engineered round shaft and ensures reliable and efficient mechanical coupling in demanding motion control applications. It is built by Pacific Scientific and has an inductance of 19.6 mH which offers excellent control characteristics, suitable for systems that require smooth, responsive motion and consistent torque delivery across a wide operating range.

The PMB31B-10100-03 servomotor performs efficiently with a maximum input voltage of 240V AC to deliver powerful and consistent performance in industrial automation systems and its rated speed of 2900 rpm ensures high-speed operation. This module's rated torque of 1.90 Nm provides the necessary force for applications requiring precision and endurance under load which makes it suitable for dynamic motion control tasks such as robotics arms, conveyors and packaging equipment. It comes featured with flying leads with AMP connectors that are designed for durability and ease of maintenance, reduces installation time and enhances reliability in operation. It includes a shaft seal which offers added protection against environmental contaminants such as dust and moisture and it also has a PTC thermistor which ensures thermal protection by monitoring motor temperature and preventing overheating. It is optimized for efficient current flow with a winding resistance of 2 ohms and it includes a high precision resolver sensor which ensures accurate position feedback.

This PMB31B-10100-03 servomotor is built in a compact NEMA size 34 frame and combines strength and efficiency. It is designed with a torque constant of 0.79 Nm/Arms and a nominal stall current of 2.7 Arms which offers reliable torque output and precise control that makes it suitable to deliver consistent performance in a space saving form factor.

Current
5.0 A
Encoder Resolution
2500 PPR
Encoder Type
Incremental
Feedback
Integrated
Mounting Flange
100 mm
Operation Temperature
-10°C to +50°C
Protection Class
IP65
Rated Speed
3000 rpm
Rated Torque
10 Nm
Shaft Diameter
14 mm
Type
PMB Series
Voltage
24 VDC
Weight
3.8 kg
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Frequently Asked Questions about PMB31B-10100-03:

Q: Why is a resolver sensor used in the PMB31B-10100-03 motor?

A: The resolver sensor provides robust position feedback even in harsh environments. It enhances reliability in closed-loop motion control systems.

Q: What advantage does the PTC thermistor in PMB31B-10100-03 motor offer during operation?

A: The PTC thermistor helps prevent motor overheating by triggering thermal protection. This ensures motor longevity and operational safety.

Q: How do flying leads with AMP connectors simplify integration in automation systems?

A: These connectors allow fast, secure electrical connections with minimal setup time. They also improve serviceability and reduce system downtime.

Q: How does the torque constant of 0.79 Nm/Arms affect motor control?

A: A higher torque constant provides smoother control at lower current levels. This results in better precision and reduced power demand.

Q: Can the PMB31B-10100-03 motor handle high-speed continuous operation?

A: Yes, its rated speed of 2900 rpm supports sustained high-speed use. Coupled with thermal protection, it operates safely under demanding loads.


Internal Product Review

  • ‘‘The PMB31B‑10100‑03 is a brushless servo motor manufactured by Pacific Scientific. It boasts a NEMA Size 34 frame and a winding current of 2.7 A, delivering precise control. It is used most commonly in light‑industrial motion control systems such as conveyors and robotic applications.’’

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