R911277398 (MKD090B-058-KG1-KN)

Name: R911277398 (MKD090B-058-KG1-KN)
Brand: Indramat Motors
SKU: MKD090B-058-KG1-KN
Price: 838.00 USD
Availability: InStock
Rating: 4 (7 reviews)

MKD Synchronous Motors

Rated 4.0 stars (7 total reviews)

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The R911277398 (MKD090B-058-KG1-KN) is a synchronous Servo AC motor from the Rexroth Indramat MKD Series, equipped with electronic commutation and a resolver feedback system for absolute position detection exceeding 4096 revolutions. This 4-pole motor features a plain shaft with a shaft seal and an integrated 24 VDC, 11 Nm holding brake operating at 0.71 A. It delivers a continuous standstill torque of 12.0 Nm at 17.2 A, with rated torque of 8.9 Nm and rated current of 9.2 A in natural cooling, and supports a maximum torque of 36 Nm with insulation class F. The unit operates at a rated speed of 5000 rpm, has a centering diameter of 110 mm, a thermal time constant of 20 minutes, and is equipped with pre-greased bearings and a connection box.

Technical Specifications

Type
AC

Brake Voltage
24 VDC

Max Performance Cooling Modes
Surface Cooling, Natural Cooling

Rated Speed
4000 revolutions per minute

Voltage Constant
70 V/1000min-1

Poles
4

Peak Current Needed
79.0 amperes

Continuous Torque at Standstill
12.0 N-m

Continuous Standstill Current
17.2 amperes

Rated Torque (Natural Cooling)
8.9 N-m

Rated Current (Natural Cooling)
9.2 amperes

Max Torque with Surface Cooling
12 N-m

Holding Brake Current
0.71 amperes

Brake Clamping Delay
13 microseconds

Brake Release Delay
30 microseconds

Brake Weight
1.1 kilograms

Bearing Life
30,000 operating hours

Greasing
Not required nor recommended

Encoder
Data memory with control loop parameters

Frequently Asked Questions

What defines electrical conversion in MKD090B-058-KG1-KN?

Voltage constant of 58 V/1000 rpm represents energy conversion. This figure helps drive matching for speed regulation.

How does protection class impact MKD090B-058-KG1-KN?

IP65 rating resists dust and low-pressure water exposure. This sealing protects internal elements during continuous operation.

Which cooling supports MKD090B-058-KG1-KN?

Natural convection cools components passively. This method removes reliance on external fans, reducing servicing.

What timing behavior is reflected in MKD090B-058-KG1-KN?

A thermal time constant of 20 minutes governs heating response. This figure helps manage overload allowances.

Which feedback system integrates with MKD090B-058-KG1-KN?

Digital Servo Feedback provides accurate positional data. This system supports consistent control across cycles.

Common Misspellings

MKD 090B-058-KG1-KN

MKD-090B-058-KG1-KN

MKD090B058KG1KN

MKDO9OB-O58-KG1-KN

MKD090B 058 KG1 KN

mkd090b-058-kg1-kn

MKD90B-058-KG1-KN

Internal Product Review

A top rated model, the MKD090B-058-KG1-KN ensures consistent control with protected internals. IP65 sealing resists contaminants and resolver feedback provides reliable position signals.