MKD112C-058-KG3-AN

MKD Synchronous Motors

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The MKD112C-058-KG3-AN from Bosch Rexroth Indramat features a motor size of 112 and a motor length C. Part of the MKD Synchronous Motors, it delivers a continuous torque at standstill of 38.0 Nm and a maximum torque of 446 Nm.

It utilizes a resolver feedback with integrated encoder and offers absolute position detection over more than 4096 revolutions along with a winding code of 058. The servo motor weighs 52 kg and adopts a side A connection direction.

Technical Specifications

Shaft Design
Plain shaft

Shaft Seal
Yes

Holding Brake
With holding brake

Holding Brake Torque
70 Nm

Other Designs
None

Encoder Type
Resolver feedback w/ integrated encoder

Position Detection
Absolute (>4096 revs)

Continuous Torque at Standstill
38.0 Nm

Motor Length
C

Motor Size
112

Centering diameter
130 mm

Connection Direction
Side A

Product type
Servo Motor

Winding Code
058

Motor Weight
52 kg

Operating Altitude
1000 m

Max Torque
446 Nm

Cooling Type
Natural Cooling

Rated Speed
1500 RPM

Frequently Asked Questions

How does the multiturn resolver/absolute feedback in MKD112C-058-KG3-AN reduce commissioning effort and position loss during power interruptions?

It maintains absolute position over >4096 revolutions to eliminate homing cycles after outages and preserving axis reference in complex multi-turn mechanics. It improves restart determinism and shortens recovery sequences on tightly coupled servo axes.

Why is the integrated 70 Nm holding brake relevant for vertical Z-axes or suspended loads on MKD112C-058-KG3-AN?

It provides static holding capacity when de-energized; release is by 24 VDC (±10%) to enable controlled disengagement during enable sequences. It reduces the need for external clamping and simplifies safe-state strategies on vertical axes.

What installation and mounting envelope constraints arise from the 112 frame size and 130 mm centering diameter?

Its frame size of 112 maps to a Ø130 mm pilot and large flange that eases alignment on IM B5/B05 face-mounts. Its geometry standardizes fit with heavy-duty gearheads and precision ball-screw housings in machine tools.

How does the Side-A power connector orientation in MKD112C-058-KG3-AN help cabinet routing and EMC?

The side-A orientation supports straight-through cable exits away from moving members to improve strain-relief and shielding continuity. Its pedictable connector orientation also reduces bend radii conflicts in multi-axis trays and minimizes cross-talk.

Is MKD112C-058-KG3-AN suitable for washdown or dusty environments, and what encoder considerations apply?

The IP-rated construction with shaft sealing and resolver-based feedback aids survivability against moisture and dust. Its resolver/absolute designs avoids fragile optics to enhance tolerance to contamination.

Common Misspellings

Internal Product Review

Bosch Rexroth Indramat produces the MKD112C-058-KG3-AN servo motor that delivers 38 Nm of stall torque with 446 Nm peak torque and a 1500 rpm of normal speed. Its resolver-based multiturn absolute feedback of more than 4096 revolutions provide precise positioning. This unit is equipped with a holding brake of 70 Nm and it possess sealed plain shaft that suit packaging lines and printing systems. It uses convection cooling for simplified integration.