R911250677 (MDD112D-N-030-N2M-130PB0)

Name: R911250677 (MDD112D-N-030-N2M-130PB0)
Brand: Indramat Motors
SKU: MDD112D-N-030-N2M-130PB0
Price: 209.00 USD
Availability: InStock
Rating: 4.6 (7 reviews)

MDD Synchronous Motors

Rated 4.6 stars (7 total reviews)

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The Bosch Rexroth R911250677 (MDD112D-N-030-N2M-130PB0) is a brushless, electronically-commutated digital AC servo motor designed for high-precision applications such as grinding machines. With a weight of 59 kg, it features an integrated multiturn absolute encoder for digital servo feedback, and a keyway shaft with shaft seal. The motor offers a nominal speed of 3000 min⁻¹, continuous standstill torque of 38.0 Nm, peak torque of 132.4 Nm, peak current of 110.5 A, and winding inductance of 5.9 mH. The centering diameter is 130 mm. Housing is standard, connection is via connector on side B, and there is no holding brake. The unit complies with IP65 protection, making it resistant to oils, emulsions, non-corrosive materials, and water jets.

Technical Specifications

Product Type
Digital Servo AC Motor

Weight
59 kg

Lubrication
Grease-lubricated bearings

Design
Brushless

Commutation Type
Electronic

Contouring Efficiency
High

Peak Current
110.5 A

Maximum Torque Capability
132.4 Nm

Winding Inductance
5.9 mH per winding

Feedback System
Closed-loop, highly sensitive

Sinusoidal Current Application
Yes

Torque to Inertia Ratio
High

Protection Standard
IP 65 degree

Frequently Asked Questions

How does the MDD112D-N-030-N2M-130PB0 handle precision feedback in closed-loop systems?

It uses a multiturn absolute encoder that provides exact position data across multiple rotations. This ensures stable control without requiring homing after power cycles.

Why is standardized housing important for integrating this motor into existing machinery?

It ensures compatibility with established mounting dimensions. Engineers can swap units without redesigning surrounding components.

How does the MDD112D-N-030-N2M-130PB0 manage electrical connectivity in tight enclosures?

Its side-mounted connector enables space-efficient cable routing. This orientation is especially useful where axial space is limited.

What role does shaft sealing play in extending service life?

The seal prevents dust and liquid ingress that would degrade bearings and encoder optics. This protection supports reliable operation in industrial environments.

How does the motor minimize vibration during continuous operation?

Factory balancing reduces unbalanced forces across the speed range. This decreases structural stress and lowers acoustic noise.

Common Misspellings

MDD-112D-N-030-N2M-130PB0

MDD112D N 030 N2M 130PB0

MDD112D-N-030-N2M-130-PB0

MDD112D-N-030-N2M-130-PBO

MDD112D-N-030-N2M-130PBO

MDD112D-N-O3O-N2M-13OPBO

MDD112DN030N2M130PB0

mdd112d-n-030-n2m-130pb0

MDD112DN030N2M130PB0

Internal Product Review

The Bosch Rexroth Indramat MDD112D-N-030-N2M-130PB0 is a synchronous servo motor built for precision motion control. It offers an integrated multiturn absolute encoder, and uses a DSF digital interface. Its 130 mm centering-diameter housing is a sealed, standardized unit suited for industrial integration (rated IP65 for dust and water protection).