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Model reference

1FK7043-4CH71-1RB1 Variable Frequency & Servo Drives

Technical SummaryProduct name1FK7043-4CH71-1RB1Motor typePermanent-magnet synchronous motorSeries designationSIMOTICS S Synchronous motor 1FK7-HDOptimum power1.2 kWRated speed (100 K)4,500 rpmRated torque (100 K)2.6 NmStatic torque (100 K)3.50 NmRated current3.3 ADegree of protectionIP65CoolingNatural coolingEncoder systemEncoder AM20DQI: absolute encoder 20 bits (resolution 1048576, encoder-internal 512 S/R) + 12 bits multi-turn (traversing range 4096 revolutions)Holding brakewith holding brakePower supply voltageDC 24…

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Product Parameters

Product Code
1FK7043-4CH71-1RB1
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 1FK7043-4CH71-1RB1
Motor type Permanent-magnet synchronous motor
Series designation SIMOTICS S Synchronous motor 1FK7-HD
Optimum power 1.2 kW
Rated speed (100 K) 4,500 rpm
Rated torque (100 K) 2.6 Nm
Static torque (100 K) 3.50 Nm
Rated current 3.3 A
Degree of protection IP65
Cooling Natural cooling
Encoder system Encoder AM20DQI: absolute encoder 20 bits (resolution 1048576, encoder-internal 512 S/R) + 12 bits multi-turn (traversing range 4096 revolutions)
Holding brake with holding brake
Power supply voltage DC 24 V ± 10 %

Key Features

SIMOTICS S 1FK7-HD synchronous motor
SIMOTICS S Synchronous motor 1FK7-HD.
Optimum power
1.2 kW.
Rated speed (100 K)
4,500 rpm.
Encoder system
Encoder AM20DQI: absolute encoder 20 bits (resolution 1048576, encoder-internal 512 S/R) + 12 bits multi-turn (traversing range 4096 revolutions).
Electrical connectors
Connectors for signals and power rotatable.
Degree of protection
IP65.

Applications

SINAMICS S120 motion-control integration
Motor for use in SINAMICS S120-driven motion-control setups.

Frequently Asked Questions

What is Siemens 1FK7043-4CH71-1RB1?

It is a SIMOTICS S synchronous motor 1FK7-HD.

What are the key ratings of 1FK7043-4CH71-1RB1?

Key ratings include 1.2 kW optimum power, 4,500 rpm rated speed, 2.6 Nm rated torque, and 3.3 A rated current.

Which encoder is used on 1FK7043-4CH71-1RB1?

It uses the encoder AM20DQI with an absolute encoder 20 bits and 12 bits multi-turn.

Does 1FK7043-4CH71-1RB1 have a holding brake and what is its supply voltage?

Yes. It has a holding brake with power supply voltage DC 24 V ± 10 %.

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