PMB31D-00116-03

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The PMB31D-00116-03 is a brushless servomotor designed with a digital encoder featuring commutation and an encoder resolution of 4096 pulses per revolution. Manufactured by Pacific Scientific in their PMB Brushless Servomotors series, it operates at a maximum rated speed of 10,000 RPM. This NEMA Size 34 motor supports a nominal stall current of 5.4 ARMS.

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Product Description:

The Pacific Scientific PMB31D-00116-03 brushless servomotor operates at the rated speed on a three-phase line with a 240 V voltage. This motor features high overall flexibility. The product delivers precise and cost-effective performance positioning. This device’s shaft is characterized by its flat design. The unit comprises separate power and feedback AMP Mini Mate-N-Lock connectors. It is best deployed for a wide range of light industrial applications. This motor’s ability to deliver high torque is attributed to its strong rare-earth magnets.

The product portrays great versatility. This device runs cooler than similar motors. The unit is compatible with only the manufacturer-specified servo drives. It has a shaft seal that restricts the penetration of liquids into it. This motor is characterized by exposed laminations. The product’s mounting style complies with industry standards. This device has two shields on the bearings. The unit has protection against the entry of solid objects with a diameter of more than 1 mm. It has to always be mounted on a flat surface.

This motor features a 5.4 Arms nominal stall current rating. The product needs one cable for the power connection and one cable to connect the feedback. This device is associated with an IP 40 protection rating. The unit belongs to the manufacturer’s PMB product group of offerings. Its commutation is carried out by its digital encoder. This brushless servomotor is well-known for its dependable operation. The product should always be operated within the indicated ambient operating conditions. This device’s shaft has a small diameter of 0.4998 inches. The unit uses cap screws as part of its mounting hardware. It has eight poles.

Cable Minimum Bend Radius
57.2 mm (2.25 in)
Connector Type
Flying leads with AMP connectors
Encoder Resolution
4096 ppr
Inductance (line-to-line)
1.1 mH
Maximum Rated Speed
10,000 RPM
Motor Cable Length
457 mm (18 in), shielded 22 AWG
Motor Size
NEMA Size 34
Mounting Hardware
#10 Cap Screws (4x)
Nominal Stall Current @240vac Max
5.4 ARMS
Rated Voltage (max)
240V AC, 320V DC
Resistance (line-to-line)
1.2 Ω
Sensor Type
Digital Encoder with commutation
Stack Length Multiple
1
Typical Rated Speed @ 48vdc
2,350 RPM
Typical Rated Torque @ 48vdc
0.50 Nm (4.4 lb.-in)
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Frequently Asked Questions about PMB31D-00116-03:

Q: What customizations does the PMB31D-00116-03 motor have?

A: The PMB31D-00116-03 motor has a shaft seal and a PTC thermistor.

Q: What is the no-load speed of the PMB31D-00116-03 motor?

A: The no-load speed of the PMB31D-00116-03 motor is 8400 rpm.

Q: What is the line-to-line inductance of the PMB31D-00116-03 motor?

A: The line-to-line inductance of the PMB31D-00116-03 motor is 5.2 mH.

Q: How many screws are needed to mount the PMB31D-00116-03 motor?

A: Four #10 screws are needed to mount the PMB31D-00116-03 motor.

Q: What kind of surface can the PMB31D-00116-03 motor be mounted on?

A: The PMB31D-00116-03 motor can be mounted on a flat surface.


Internal Product Review

  • ‘‘The PMB31D-00116-03 motor is an ideal option for applications that demand high torque. Its magnets help to cut down on long-term costs. The motor is compact and lightweight. ’’

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