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Model reference

1FK7043-4CF21-1QH2 Variable Frequency & Servo Drives

Technical SummaryProduct name1FK7043-4CF21-1QH2Motor typePermanent-magnet synchronous motorSeriesSIMOTICS SRated speed (100 K)3,000 rpmRated torque (100 K)3.0 NmRated current3.7 ARated inverter current4 AMaximum inverter current8 AEncoder systemEncoder AS20DQI: absolute encoder single-turn 20 bitsElectrical connectorsConnectors for signals and power rotatableConnector sizeM23Degree of protectionIP65 and DE flange IP67Holding brakewith holding brake Key FeaturesSIMOTICS S synchronous motorPermanent-magnet synchronous motor with High…

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Product Parameters

Product Code
1FK7043-4CF21-1QH2
Weight
6.3 kg
Lifecycle
Active Product
Availability
in stock
Lead Time
Confirmed with quotation
Product Attachment
Download Datasheet

Product Details

Technical Summary

Product name 1FK7043-4CF21-1QH2
Motor type Permanent-magnet synchronous motor
Series SIMOTICS S
Rated speed (100 K) 3,000 rpm
Rated torque (100 K) 3.0 Nm
Rated current 3.7 A
Rated inverter current 4 A
Maximum inverter current 8 A
Encoder system Encoder AS20DQI: absolute encoder single-turn 20 bits
Electrical connectors Connectors for signals and power rotatable
Connector size M23
Degree of protection IP65 and DE flange IP67
Holding brake with holding brake

Key Features

SIMOTICS S synchronous motor
Permanent-magnet synchronous motor with High Dynamic design.
Encoder with DRIVE-CLiQ interface
Absolute encoder SINGLETURN 20 BIT with DRIVE-CLiQ interface (ENCODER AS20DQI).
Motor ratings
PN=0.94kW, UDC=300V, M0=3. 3Nm (100K), and NN=3000rpm.
Mechanical configuration
Naturally cooled, FRAME SIZE IMB 5 (IM V1, IM V3), FLANGE 1, plain shaft, tolerance N.
Protection and brake
Degree of protection IP65 and DE flange IP67, with holding brake.

Applications

Motion control with SINAMICS S120
Synchronous motor use in SINAMICS S120 motion control setups.

Frequently Asked Questions

What type of Siemens motor is 1FK7043-4CF21-1QH2?

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

What encoder is used on 1FK7043-4CF21-1QH2?

It uses an absolute encoder SINGLETURN 20 BIT with DRIVE-CLiQ interface (ENCODER AS20DQI).

What are the key ratings of 1FK7043-4CF21-1QH2?

PN=0.94kW, UDC=300V, M0=3. 3Nm (100K), and NN=3000rpm.

What protection and mechanical configuration does 1FK7043-4CF21-1QH2 have?

It has IP65 protection, DE flange IP67, naturally cooled design, FRAME SIZE IMB 5 (IM V1, IM V3), a plain shaft, and a holding brake.

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