PMB31B-20114-02

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The PMB31B-20114-02 is a NEMA Size 34 brushless servomotor with a frame designator of PMB31B, delivering a continuous torque of 2.1 Nm. Made by Pacific Scientific as part of the PMB Brushless Servomotors Series, it weighs 19.6 kg. The motor features a digital encoder with commutation and supports 240V AC or 320V DC bus voltage.

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Product Description:

This PMB31B-20114-02 brushless servomotor from Pacific Scientific works with a servo drive. The motor is noted for its high performance. This product delivers cost-effective positioning and performance. The device is a PMB series servomotor. It has a size 34 NEMA frame. This unit delivers high synchronization. It has a square frame and eight poles in its design. The motor requires minimal maintenance because it has no brushes.

This product operates with a three-phase AC power supply. The device features an IP 40 protection class. This unit delivers maximum power plus torque with its exposed laminations. It is integrated with a PTC thermistor. The motor has eight poles. This product is recommended for various light-industrial uses. The device is constructed with its rotor encompassing permanent magnets. This unit’s compact size makes it easily portable. Its installation is permitted in any position.

The motor supports closed-loop operation. This product incorporates electronic commutation. The device’s feedback is achieved through a digital encoder. This unit’s bearings encompass two shieldings. It has a PTC thermistor to protect it against overload. The motor surface portrays a high temperature when operated and can be touched only after using protective gloves so that the user does not encounter burns. This device depicts a current flow through its windings. The unit offers a high degree of responsiveness. It is widely used in the automation sector in CNC machines and various other automated manufacturing equipment. The brushless servomotor is also used in several other industries for various applications where reliability, speed, and accuracy are of importance.

Connector Type
Flying leads with AMP connectors
Continuous Current (arms)
2.7
Continuous Torque (nm)
2.1
Encoder Resolution
2048 ppr
Inertia (kg·m^2×10^−3)
0.14
Inertia (lb·in·s^2×10^−3)
1.21
Maximum Speed (rpm)
4,300
Motor Size
NEMA Size 34
Motor Weight (kg)
19.6
Nominal Stall Current @240vac Max
2.7 ARMS
Peak Current (arms)
5.3
Peak Torque (nm)
4.1
Rated Speed (rpm)
2,900
Sensor Type
Digital Encoder with commutation
Stack Length Multiple
1
  • PMB 31B 20114 02
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Frequently Asked Questions about PMB31B-20114-02:

Q: What kind of design does the PMB31B-20114-02 motor have?

A: The PMB31B-20114-02 motor has exposed laminations in its design.

Q: What is the DC bus voltage of the PMB31B-20114-02 motor?

A: The DC bus voltage of the PMB31B-20114-02 motor is 320 VDC.

Q: What servo drives is the PMB31B-20114-02 motor compatible with?

A: The PMB31B-20114-02 motor is compatible with the manufacturer's PC800 and PC3400 digital brushless servo drives.

Q: How is the PMB31B-20114-02 motor protected against thermal overload?

A: The PMB31B-20114-02 motor is protected against thermal overload by a PTC thermistor.

Q: What kind of connectors does the PMB31B-20114-02 motor have?

A: The PMB31B-20114-02 motor has flying leads with AMP connectors.


Internal Product Review

  • ‘‘The PMB31B-20114-02 motor has a long lifespan. It is noted for its high performance in a compact size. The motor has high synchronization.’’

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