MDD090A-N-020-N2G-110PB0

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The MDD090A-N-020-N2G-110PB0 synchronous motor features a plain output shaft, digital servo feedback with an integrated multiturn absolute encoder, and a blocking brake with 11.0 Nm torque. Part of the MDD Synchronous Motors series by Bosch Rexroth Indramat, it includes a centering diameter of ø110 mm and supports natural convection cooling.

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Product Description:

Bosch develops this MDD090A-N-020-N2G-110PB0 digital AC servo motor. It is from MDD lineup and is made to help with motion control tasks. The motor's digital control feedback ensures that the rotor's precise position is monitored during operation.

The MDD090A-N-020-N2G-110PB0 AC servo motor has a digital motor feedback system that lets it track the exact position of the shaft. The shaft is made with a key that meets the DIN 6885-A 8x7x40 standard and allows for rigid connection. The flange is designed with a B14 through-hole mounting layout that makes it easy to place a motor in a standard way. Its flange diameter is 140 mm, and its centering fit is Ø110 mm. This makes sure that everything is lined up perfectly. The mounting holes are spaced out in a circle of Ø165 mm, and the holes are 11 mm in width, which helps keep the structure stable. There are 19 h9 turns in the shaft. A thermal time constant of 45 minutes is used by the motor to get rid of heat through natural airflow. The motor has an insulation class F. The temperature range for use is 0 to +45 °C. The highest point that the installation can be is 1000 meters above sea level. On side 0, the straight-ahead feedback connector is found, and the axially located power connector is on side B.

The housing for the MDD090A-N-020-N2G-110PB0 AC servo motor is black and coated with RAL 9005, and it has an IP65 rating for security. Standard N based on DIN VDE 0530 is met by the balance class, which guarantees steady rotor performance. The MDD090A motor weighs around 12.5 kg.

Balance Class
DIN VDE 0530 §14 (2/93 edition)
Blocking Brake Torque
11 Nm
Centering Diameter
ø110 mm
Cooling Modes
Natural convection, surface cooling
Frame Size
090
Motor Feedback
Digital servo w/ multiturn absolute encoder
Motor Length Code
A
Nominal Speed
2000 min⁻¹
Output Shaft
Plain shaft
Power Connection
Connector side A
Rotor Moment of Inertia
20×10⁻⁴ kg·m²
Side B Shaft End
None (standard)
Stall Current (continuous)
3.3 A
Stall Torque (natural convection)
3.3 Nm
Stall Torque (surface cooling)
4.4 Nm

Frequently Asked Questions about MDD090A-N-020-N2G-110PB0:

Q: Why does MDD090A-N-020-N2G-110PB0 use digital servo feedback?

A: Digital servo feedback ensures accurate rotor position tracking. It enables reliable performance in motion control systems requiring precise synchronization.

Q: How does MDD090A-N-020-N2G-110PB0 manage motor heat?

A: The motor uses natural convection for passive cooling. This design supports a thermal time constant of 45 minutes for heat dissipation.

Q: Why is MDD090A-N-020-N2G-110PB0 flange B14 type?

A: The B14 flange design supports through-hole mounting. It allows easy motor alignment with standardized installation interfaces.

Q: Does MDD090A-N-020-N2G-110PB0 include IP65 protection rating?

A: Yes, it is IP65-rated. The housing is sealed against dust and protected from water jets during operation.

Q: Do MDD090A-N-020-N2G-110PB0 connectors have specific locations?

A: Yes, the power connector is axial on side B. The feedback connector is positioned straight on side 0.


Internal Product Review

  • ‘‘The MDD090A-N-020-N2G-110PB0 (digital servo motor) offers precise shaft alignment with Ø110 j6 centering. It supports standard Ø165 mm mounting pitch and operates within 0 to +45 °C temperature. The product integrates Class F insulation and an IP65-rated housing for robust operation.’’

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