Product image

Model reference

1FK7043-4CF21-1CH1 Variable Frequency & Servo Drives

Technical SummaryProduct designation1FK7043-4CF21-1CH1Motor typePermanent-magnet synchronous motorPowerPN=0.94kWVoltageUDC=300VTorqueM0=3.3Nm (100K)Rated speedNN=3000rpmRated torque3.0 NmRated current3.7 ACoolingNaturally cooledDegree of protectionIP65Encoder systemEncoder AM24DQI: absolute encoder 24 bits (resolution 16777216, encoder-internal 2048 S/R) + 12 bits multi-turn (traversing range 4096 revolutions)Holding brakewith holding brake Key FeaturesSIMOTICS S synchronous motorPermanent-magnet synchronous motor with High Dynamic design.PN=0.94kW and NN=3000rpmPower and speed values for the…

We confirm price, condition, lead time and warranty terms for your exact model and quantity.

Product Parameters

Product Code
1FK7043-4CF21-1CH1
Weight
6.3 kg
Lifecycle
Active Product
Availability
in stock
Lead Time
Confirmed with quotation
Product Attachment
Download Datasheet

Product Details

Technical Summary

Product designation 1FK7043-4CF21-1CH1
Motor type Permanent-magnet synchronous motor
Power PN=0.94kW
Voltage UDC=300V
Torque M0=3.3Nm (100K)
Rated speed NN=3000rpm
Rated torque 3.0 Nm
Rated current 3.7 A
Cooling Naturally cooled
Degree of protection IP65
Encoder system Encoder AM24DQI: absolute encoder 24 bits (resolution 16777216, encoder-internal 2048 S/R) + 12 bits multi-turn (traversing range 4096 revolutions)
Holding brake with holding brake

Key Features

SIMOTICS S synchronous motor
Permanent-magnet synchronous motor with High Dynamic design.
PN=0.94kW and NN=3000rpm
Power and speed values for the exact model are PN=0.94kW and NN=3000rpm.
M0=3.3Nm (100K)
Torque designation for the model is M0=3.3Nm (100K).
Absolute encoder AM24DQI
Absolute encoder 24 BIT + 12 BIT MULTITURN with DRIVE-CLIQ interface.
Mechanical configuration
Naturally cooled, FRAME SIZE IMB 5 (IM V1, IM V3), plain shaft, connector size M23, and power connector rotatable.
Protection and brake
Degree of protection IP65 with holding brake.

Applications

SINAMICS S120 drive integration
Servomotor use in SINAMICS S120 drive systems.

Frequently Asked Questions

What is Siemens 1FK7043-4CF21-1CH1?

It is a SIMOTICS S synchronous motor in the 1FK7 servomotors range for SINAMICS S120.

What are the power and speed ratings of 1FK7043-4CF21-1CH1?

PN=0.94kW and NN=3000rpm.

What encoder is used on 1FK7043-4CF21-1CH1?

It uses Encoder AM24DQI with absolute encoder 24 BIT + 12 BIT MULTITURN and DRIVE-CLIQ interface.

What protection and mechanical configuration does 1FK7043-4CF21-1CH1 have?

It has degree of protection IP65, naturally cooled operation, FRAME SIZE IMB 5 (IM V1, IM V3), a plain shaft, and a holding brake.

Selection guidance

Confirm the right fit before purchase

We help procurement and maintenance teams turn a partial label or project requirement into a clear model-check request.

01

Model identification

Share the complete model, MLFB or a clear nameplate photo so we can review the product identity.

02

System context

Tell us whether the requirement is for a replacement, cabinet build, expansion or maintenance spare.

03

Commercial check

We confirm quantity, condition, destination, lead time and quotation terms for your order.

Request a quotation

Check supply details for 1FK7043-4CF21-1CH1

Use the form to send the model, quantity, destination and your requirement. We normally reply within one business day with the available quotation details.

  • The product model is filled in automatically.
  • Add version, interface or replacement questions in the message field.
  • For a partial label, attach the available model details or product photos by email after submitting.
Product RFQ1FK7043-4CF21-1CH1

* Email is required. Product and project details help us respond accurately.