PMB32D-00116-00

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The PMB32D-00116-00 is a NEMA Size 34 brushless servomotor with flying leads and AMP connectors. Manufactured by Pacific Scientific and part of the PMB Brushless Servomotors series, it provides a continuous stall torque of 3.8 Nm and a rated speed of 3,000 RPM. The motor weighs 7.4 kg.

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Product Description:

The PMB32D-00116-00 is an intelligent and durable servo machine constructed by Pacific Scientific for low- to medium-torque applications. With a NEMA size 34 frame, this servo machine incorporates a stack length of 2, allowing it to efficiently dissipate heat during operation. It has a type-D winding, allowing it to reach a nominal RMS stall current of around 5.2 A. Like other PMB motors by Pacific Scientific, this motor employs a flat shaft, making it ideal for specialized types of loads in an industrial system. To establish a physical link with a power supply, this motor employs flying leads with AMP connectors.

Servo motors such as the PMB32D-00116-00 are generally preferred for applications where the shaft position or speed needs to be monitored and controlled precisely. In order to implement monitoring and control functions for the motor, servo machines typically employ a feedback device. For the PMB32D-00116-00, specifically, the feedback device is a digital encoder with commutation and a resolution of 4096 pulses per revolution. As a standard PMB3 motor, this machine has a total of four pole pairs, or eight poles. Excluding other accessories, this PMB motor has a weight of 4.4 kilograms.

Considering the PMB32D-00116-00’s relatively large construction, this motor has a smaller thermal resistance compared to other motors in the PMB3 series. Specifically, this servo motor has a thermal resistance and time constant of 0.92 deg C/Watt and 30 minutes, respectively. At standard operating temperature, this servo motor has a line-to-line resistance of 2.3 ohms. At the same operating conditions, the motor’s output can change by 0.74 Nm per one ampere of change in the motor’s input terminals. Like other PMB3 motors by Pacific Scientific, this unit has a protection grade of IP 40.

Connector Type
Flying leads with AMP connectors
Continuous Stall Torque
3.8 Nm (34.0 lb-in)
Encoder Resolution
4096 ppr
Motor Size
NEMA Size 34
Motor Weight
7.4 kg
Nominal Stall Current @240vac Max
5.4 ARMS
Peak Current
15.6 ARMS
Peak Torque
11.3 Nm (100 lb-in)
Power Supply Voltage
240V AC–320V DC
Rated Speed
3,000 RPM
Rotor Inertia
0.27 kg·cm² (2.39 lb-in²)
Sensor Type
Digital Encoder with commutation
Stack Length Multiple
2
Winding Inductance
4.8 mH
Winding Resistance
1.2 Ohms
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Frequently Asked Questions about PMB32D-00116-00:

Q: What is the rotor inertia of the PMB32D-00116-00?

A: The PMB32D-00116-00 has a rotor inertia of 0.27 x 10^-3 kg(m^2).

Q: What is the maximum static friction in the PMB32D-00116-00’s shaft?

A: The PMB32D-00116-00 has a maximum static friction of 0.12 Nm.

Q: What is the typical rated speed of the PMB32D-00116-00 at terminal voltage?

A: At terminal voltage, the PMB32D-00116-00 achieves a typical speed of 3500 rpm.

Q: What is the typical rated torque of the PMB32D-00116-00 at terminal voltage?

A: At terminal voltage, the PMB32D-00116-00 delivers a typical torque of 2.85 Nm.

Q: What should be the terminal voltage for the PMB32D-00116-00?

A: To operate properly, the PMB32D-00116-00 must be connected to a 240 VAC or 320 VDC voltage supply.


Internal Product Review

  • ‘‘The PMB32D-00116-00 is a well-regarded servo motor designed and constructed by Pacific Scientific under the PMB3 product line. Featuring an impressive chassis and feedback design, this motor is suitable for many types of automation systems and industrial applications.’’

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