PMB33F-20216-00

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The PMB33F-20216-00 brushless servomotor features NEMA Size 34 dimensions, a continuous stall torque of 4.84 Nm, a peak torque of 16.1 Nm, and a rated speed of 4600 RPM. Designed as part of the PMB Brushless Servomotors series by Pacific Scientific, it includes a digital encoder with commutation and weighs 6.3 kilograms.

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Product Description:

The PMB33F-20216-00 motor is suited for application in the requirements of constant performance and reliable torque. It is capable of a continuous stall current of 9.0 ARMS, whereby the motor can supply consistent output without heat buildup in locked rotor applications. This level of current handling is optimal for precise positioning and low-speed holding applications.

It can supply a peak current of 27.1 ARMS, giving the motor the ability to recover quickly from acceleration peaks or sudden torque requirements. Its dynamic range is better for high-performance systems that require quick recovery from load changes. It has a line-to-line resistance of 0.96 Ohms, providing efficient electrical conversion and minimizing total energy loss, thereby maximizing system efficiency. This level of current handling also serves to balance heat buildup, reducing it in continuous-duty applications. Its static friction, which is a maximum of 0.169 Nm, provides stable starting characteristics. This low-friction limit ensures this motor can start to rotate with less torque effort. This is key in tasks with sensitive starts or with frequent starts and stops. Its viscous damping coefficient of 0.038 Nm/kRPM gives constant resistance proportional to speed. It offers smoother motion, minimizing oscillation and maximizing control accuracy in speed change. This balance between mechanical damping and electrical outcome give consistent performance in a range of speed.

The PMB33F-20216-00 motor unit is better for tasks where thermal efficiency is needed. Moreover, the internal features give stable result over a long time. This model is used in setups that are changing over time. This motor gives better outcomes and avoids damage to the connected parts. It is used in test measurement, position systems, and process automation. The PMB33F-20216-00 gives excellent control along with stability for long-term tasks.

Connector Type
Flying leads with MS connectors
Continuous Stall Current
9.0 ARMS
Continuous Stall Torque
4.84 Nm
Encoder Resolution
4096 ppr
Inductance (line-to-line)
2.8 mH
Motor Size
NEMA Size 34
Nominal Stall Current @240vac Max
11.0 ARMS
Peak Current
27.1 ARMS
Peak Torque
16.1 Nm
Rated Speed
4600 RPM
Resistance (line-to-line)
0.96 Ohms
Rotor Inertia
0.404 kgm2 x10^-3
Sensor Type
Digital Encoder with commutation
Stack Length Multiple
3
Voltage Constant (rms)
0.37 VRMS/rad/sec
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Frequently Asked Questions about PMB33F-20216-00:

Q: What is the nominal stall current of PMB33F-20216-00?

A: PMB33F-20216-00 has a nominal stall current of 11.0 ARMS.

Q: What is the continuous stall torque of PMB33F-20216-00?

A: PMB33F-20216-00 delivers 4.84 Nm of continuous stall torque.

Q: What is the peak torque of PMB33F-20216-00?

A: PMB33F-20216-00 offers 16.1 Nm peak torque.

Q: What is the rated speed of PMB33F-20216-00?

A: PMB33F-20216-00 has a rated speed of 4600 RPM.

Q: What is the continuous stall current for PMB33F-20216-00?

A: PMB33F-20216-00 draws 9.0 ARMS continuously at stall.


Internal Product Review

  • ‘‘The PMB33F-20216-00 runs without excessive vibration. Speed transitions are clean and fast. Cooling is consistent. Handles peak conditions with control. Mechanical wear is minimal even under long runtimes.’’

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