AKM21G-ANMNAD-00

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The Kollmorgen AKM21G-ANMNAD-00 motor, part of the AKM Synchronous Servo Motors series, features a round mounting configuration and an NEMA 42 frame size. It has a maximum diameter of 4.28 inches and operates within temperatures of -40 to 100 degrees C. The shaft diameter is 0.7500 inches, and its axial force rating is 140 lbs.

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Product Description:

The AKM21G-ANMNAD-00 synchronous servomotor from Kollmorgen must be operated with the associated SERVOSTAR servo amplifier in a drive system. This motor should be installed only in industrial machinery. The product has a very hot surface during operation. This unit belongs to the AKM product group of offerings from the manufacturer. It can be mounted in any orientation. This motor incorporates an electrically isolated PTC with a rated temperature of 155 degrees C and a tolerance of +/-5%.

The product encounters high radial forces when it is driven through toothed belts or pinions. This device has an IP65 protection rating. The unit incorporates a mounting flange with a size of 58 mm. It is delivered without a holding brake. This motor comes with angular connectors for its power supply and feedback signals. The product has six pole pairs. This device has a three-phase design. The unit along with the servo amplifier forms a closed torque or speed control loop. It functions like a precision equipment.

This motor must be handled only by qualified and trained personnel. The product should be free of liquid accumulation around its output shaft. This device is CE Certified and cUL Recognized. The unit has no adverse influence on the environment with its operation. It may cause property damage or personal injury if it is not handled properly. This synchronous servomotor comes with a thermal contact integrated into its windings. The product should at no time be opened by the user. This device has a maximum mains voltage rating of 480 VAC. The unit deploys a fast commissioning process and is easy to use. It portrays very low cogging and has a high power density.

Axial Force Rating
140 lbs
Connector Type
MS Connector with Encoder Option
Dimensions (inches)
L1 Max: 10.56, L2: 9.81
Electrical Resistance
14.7 DC Ohms (in series)
Encoder Options
PD and PF (500, 1000 lines per revolution)
Encoder Output Format
Dual Channel Quadrature
Encoder Output Type
Differential Line Drive
Encoder Supply Voltage
5 VDC ~10%
Frame Size
NEMA 42 frame
Maximum Diameter
4.28 inches (108.71 mm)
Mounting Configuration
Round
Operational Temperature
-40 to 100 degrees C
Shaft Diameter
0.7500 inches (19.05 mm)
Terminal Board Configurations
L or M
Thermal Resistance
Mounted: 3.7 degrees C/W

Frequently Asked Questions about AKM21G-ANMNAD-00:

Q: How is the commutation of the AKM21G-ANMNAD-00 servomotor performed?

A: The commutation of the AKM21G-ANMNAD-00 servomotor is performed by the connected servo amplifier.

Q: Where are the permanent magnets of the AKM21G-ANMNAD-00 servomotor located?

A: The permanent magnets of the AKM21G-ANMNAD-00 servomotor located in its rotor.

Q: What is the function of the temperature sensors in the stator windings of the AKM21G-ANMNAD-00 motor?

A: The temperature sensors in the stator windings of the AKM21G-ANMNAD-00 motor monitor the temperature of the windings.

Q: What is the climatic category of the AKM21G-ANMNAD-00 servomotor?

A: The AKM21G-ANMNAD-00 servomotor has a 3K3 climatic category as per EN 50178 specifications.

Q: What kind of bearings does the AKM21G-ANMNAD-00 servomotor have?

A: The AKM21G-ANMNAD-00 servomotor has ball bearings.


Internal Product Review

  • ‘‘The AKM21G-ANMNAD-00 servomotor has a rugged design. It is suitable for various industrial applications. The motor is an apt option for long-term automation solutions.’’

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