PMB33E-00116-00

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The PMB33E-00116-00 servomotor features a continuous stall torque of 5.42 Nm, a peak torque of 16.1 Nm, a NEMA Size 34 motor, and an encoder resolution of 4096 ppr. Part of the PMB Brushless Servomotors series manufactured by Pacific Scientific, it includes flying leads with AMP connectors and weighs 6.3 kg (13.8 lbs).

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Product Description:

The PMB33E-00116-00 is a self-cooled motor design from Pacific Scientific. It is a compact motor unit that operates at a rated operation speed of 3000 revolutions per minute and is able to produce a torque output of about 4.41 newton meters under standard conditions. This industrial servo motor has been in operation for more than 2 decades and has been widely adopted across various industries for its reliability and durability. The design of the PMB33E-00116-00 motor unit only provides protection according to the IP40 classification. This makes it important for the unit to be installed indoors and away from harsh environmental conditions. The housing of this motor unit is also covered with varnish that is chemically resistant and will protect the motor against corrosive liquids commonly encountered in industrial environments. Typical examples include dilute acids, dilute alkali and mineral oil.

The PMB33E-00116-00 motor is able to deliver a torque output as high as 16.1 newton meters. At this peak torque, the current consumption of the motor unit is estimated to be about 17.5 amperes. The feedback unit of this servo motor is a digital encoder with commutation; this encoder also operates at a resolution level of about 4096 parts per revolution. Electrical connectors used by the PMB33E-00116-00 are flying leads with reliable AMP connectors. The unit also transmits torque through a smooth and flat output shaft that is able to support a relatively high shaft output.

The PMB33E-00116-00 contains about 8 pole pairs, its also uses neodymium-iron-boron magnets. The electrical cables required for the connection of this motor to the drive controller are not part of the standard delivery package; however, they are readily available for customers to order.

Connector Type
Flying leads with AMP connectors
Continuous Stall Torque
5.42 Nm (48.0 lb-in)
Encoder Resolution
4096 ppr
Motor Size
NEMA Size 34
Nominal Stall Current @240vac Max
7.4 ARMS
Peak Torque
16.1 Nm (142 lb-in)
Rotor Inertia
0.404 kg·m2 ×10⁻³ (3.57 lb-in-s²×10⁻³)
Sensor Type
Digital Encoder with commutation
Stack Length Multiple
3
Static Friction (max)
0.169 Nm (1.50 lb-in)
Thermal Resistance
0.78 °C/Watt
Thermal Time Constant
32 min
Torque Constant (rms)
0.93 Nm/ARMS (8.2 lb-in/ARMS)
Viscous Damping Coefficient
0.038 Nm/kRPM (0.34 lb-in/kRPM)
Weight (motor Only)
6.3 kg (13.8 lbs)
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Frequently Asked Questions about PMB33E-00116-00:

Q: What type of magnet is used in this motor?

A: The PMB33E-00116-00 is equipped with a neodymium-iron-boron magnet which is renowned for its high corrosion resistance.

Q: Is the PMB33E-00116-00 motor provided with a varnish?

A: The housing of the PMB33E-00116-00 is covered in a black varnish that is resistant to dilute acids.

Q: Is this motor water proof?

A: As an IP40 device, this motor has not protection against liquids.

Q: What mounting orientation is more suited to this product?

A: The PMB33E-00116-00 can be installed in both the vertical and the horizontal orientation.

Q: What is the fame size of this product?

A: The PMB33E-00116-00 belongs to the NEMA frame size 34.


Internal Product Review

  • ‘‘The PMB33E-00116-00 is a low inertial servo motor unit that is able to delivery a high torque output during operation. This motor is energy efficient, it operates with a continuous stall current of 9.0 amperes and will reach a peak speed of 4900 revolutions per minute. ’’

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