N12M4T

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The N12M4T motor delivers a rated continuous torque of 126 oz-in at 25°C, a rated speed of 3000 RPM, and requires a rated terminal voltage of 45.0 Volts. As part of the ServoDisc Pancake DC Motors manufactured by Kollmorgen, it features a rated power output of 278 Watts and measures 5.50 inches in diameter.

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Product Description:

N12M4T is a Kollmorgen industrial motor. It is designed for applications that require exceptional acceleration and speed control. ServoDisc N series motors are made with neodymium-iron-boron magnets that allow motor construction with an ultra thin design. The motor is ideal for applications that require high torsional stiffness and have limited space for motor installation. An integrated tachometer provides feedback. The motor is compatible with controllers from the KXA Plus and EM19 amplifier series. Peak torque output of the N12M4T motor is 979 N-cm. Its speed rating is 3000 RPM. The rated continuous torque is 89 N-cm at 25 degrees Celsius and 79 N-cm at 40 degrees Celsius. The specified power output is 278 Watts. Maximum speed recommended by Kollmorgen for the motor is 6000 RPM. Its cogging torque is zero and the continuous stall torque is 96 N-cm.

Rated voltage at the terminals of the N12M4T motor is 45 Volts. The continuous current rating is 8.1 Amps and the peak current rating is 83 Amps. The motor continuous current at stall is 8 Amps. Specifications for the motor winding include 141 commutator bars, 0.75 Ohms terminal resistance with 10% specified tolerance, 0.610 Ohms armature resistance with 10% specified tolerance, and less than 0.05 microhenry armature inductance. According to the motor documentation, the peak acceleration is 53.3 kRad/s2 and the continuous output power rate is 4.3 kW/s. Mechanical specifications for this compact motor include 2.4 kilograms weight, 5.5 inches diameter and 1.1 inches length. To prevent errors during motor installation and operation, only qualified technical personnel with relevant training an experience should handle the motor. The winding temperature must not exceed 150 degrees Celsius.

Armature Resistance ± 10%
0.610 Ohms
Back Emf Constant ± 10%
13.10 V/KRPM
Continuous Stall Torque
128 oz-in
Diameter
5.50 in / 139.7 mm
Maximum Recommended Speed
6000 RPM
Peak Current
83 Amps
Rated Continuous Current
8.10 Amps
Rated Continuous Torque @ 25°c
126 oz-in
Rated Continuous Torque @ 40°c
112 oz-in
Rated Power Output
278 Watts
Rated Speed
3000 RPM
Rated Terminal Voltage
45.0 Volts
Terminal Resistance ± 10%
0.750 Ohms
Torque Constant ± 10%
17.80 oz-in/Amp
Viscous Damping Constant
2.3 oz-in/KRPM

Frequently Asked Questions about N12M4T:

Q: Does the motor feature a tachometer?

A: A tachometer is installed on the motor.

Q: What is the motor weight?

A: Weight of the servo motor is 2.5 kg.

Q: What is the design of the motor armature?

A: The motor armature has a flat disc design and is ironless.

Q: What is the peak torque output?

A: The peak torque output is 979 N-cm.

Q: What is the power output rating?

A: Power output of the motor is 278 Watts.


Internal Product Review

  • ‘‘N12M4T is a Kollmorgen servo motor. It features a compact design with a flat disc armature. The motor is suitable for applications that require fast acceleration and excellent speed control. ’’

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