MMD042A-030-EG0-KN Bosch Rexroth Indramat
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MPN: R911281523
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The Bosch Rexroth Indramat MMD042A-030-EG0-KN is a synchronous motor from the MMD Synchronous Motors series, featuring a flange size of 70 mm and a centering diameter of 50 mm. It delivers a continuous torque at standstill of 1.3 Nm and a maximum theoretical speed of 5000 min-1. The motor weighs 1.6 kg, uses an incremental encoder with a resolution of 2,500 increments, and is rated at IP65 protection class.
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Product Description:
The MMD042A-030-EG0-KN is a synchronous motor manufactured by Bosch Rexroth Indramat within the MMD Synchronous Motors series. It is designed as a compact servo actuator for small handling modules, pick-and-place axes, and other automated stations that need repeatable rotary motion. The motor uses an incremental encoder to send real-time position data to the drive controller, supporting closed-loop speed and position control during normal operation. This layout suits compact automation equipment where accurate starts, stops, and repeated cycles are required throughout routine machine operation. It is supplied without a holding brake, so any static load must be secured by external means or by maintained drive torque.
Its continuous torque at standstill is 1.3 Nm, allowing the shaft to deliver steady force for prolonged positioning tasks without exceeding thermal limits. Under rated excitation, the rotor reaches a nominal speed of 3000 rpm, and it can operate up to 5000 rpm for short periods when higher axis speed is required. The housing has an IP65 rating, which helps keep dust and low-pressure water jets away from internal components in typical machine environments. A centering diameter of 50 mm aligns the motor flange with gearboxes or brackets and helps maintain accurate mounting. Torque and thermal behavior follow winding code 030, which aligns the motor with compatible drive parameters.
The motor has a flange side length of 70 mm, a plain shaft that is 14 mm in diameter, and a shaft seal that helps limit lubricant migration and the entry of contaminants. Peak acceleration is supported by a maximum theoretical torque of 3.36 Nm, giving the axis additional headroom for rapid indexing and short dynamic moves. The incremental encoder provides 2,500 increments per revolution for fine feedback resolution, and the motor has a mass of 1.6 kg, which suits compact mechanical assemblies. Motor length A and a plug connector that exits toward the A-side on a 25 cm lead help simplify cable routing where installation space is limited, and the shaft seal also helps protect the internal bearings from spray and dust.
Frequently Asked Questions about MMD042A-030-EG0-KN:
Q: What is the maximum theoretical speed of the MMD042A-030-EG0-KN motor?
A: The MMD042A-030-EG0-KN has a maximum theoretical speed of 5000 min-1 for demanding motion control applications.
Q: What type of encoder and resolution does the MMD042A-030-EG0-KN motor use?
A: This model uses an incremental encoder with a resolution of 2,500 increments, providing position feedback.
Q: What are the shaft specifications for the MMD042A-030-EG0-KN motor?
A: The MMD042A-030-EG0-KN is equipped with a plain shaft that has a 14 mm diameter and a sealing ring for added protection.
Q: Does the MMD042A-030-EG0-KN include a holding brake?
A: There is no holding brake included with the MMD042A-030-EG0-KN motor.
Q: What is the connection type and direction for the MMD042A-030-EG0-KN motor?
A: The connection is a plug type with an approximately 25 cm cable, oriented to the A-site.
