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Siemens 1FK7103-2AF71-1QB0 SIMOTICS S 1FK7-CT 36 Nm 3000 rpm Servo Motor with Brake

% $-3,162.50
Siemens 1FK7103-2AF71-1QB0 1FK7-CT Servo Motor - 36 Nm with Brake
Siemens 1FK7103-2AF71-1QB0 1FK7-CT Servo Motor - 36 Nm with Brake

Siemens 1FK7103-2AF71-1QB0 SIMOTICS S 1FK7-CT 36 Nm 3000 rpm Servo Motor with Brake

Brand: Siemens
Reference No: 1FK7103-2AF71-1QB0
Catalog No: 1FK7103-2AF71-1QB0
Series: SIMOTICS S
Tariff Code (HS): 85015220
Rated Current: 11.5
Power: 4.4 kW
Communication: Drive-CLiQ
Stock: 0
Delivery time: 10-15 business day(s)
Shipping Origin: Türkiye EXW
$3,162.50

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  • Description

The Siemens 1FK7103-2AF71-1QB0 is a SIMOTICS S 1FK7-CT synchronous servo motor rated at 4.4 kW with a 36 Nm standstill torque at 3000 rpm nominal speed. It runs from a 600 V DC bus, mounts in IM B5 (IM V1, IM V3) configuration with Flange 1, carries a Drive-CLiQ absolute single-turn 20-bit encoder (AS20DQI), IP64 protection, and includes an integrated holding brake.

Technical Specifications

SKU 1FK7103-2AF71-1QB0
Brand Siemens
Series SIMOTICS S
Product Designation 1FK7-CT
Rated Power 4.4 kW
DC Bus Voltage 600 V
Standstill Torque (100K) 36 Nm
Nominal Speed 3000 rpm
Optimum Speed 2500 rpm
Number of Poles 8
Rated Current 11.5 A
Moment of Inertia 112.000 kgcm2
Efficiency 93.0%
Torque Constant 1.39 Nm/A
Voltage Constant at 20C 89.5 V/1000 rpm
Winding Resistance at 20C 0.09 ohm
Rotating Field Inductance 2.4 mH
Electrical Time Constant 27.00 ms
Mechanical Time Constant 1.46 ms
Thermal Time Constant 65 min
Shaft Torsional Stiffness 108,000 Nm/rad
Net Weight 33.0 kg
Shaft Height 100 mm
Cooling Natural cooling
Radial Runout Tolerance 0.050 mm
Concentricity Tolerance 0.10 mm
Axial Runout Tolerance 0.10 mm
Degree of Protection IP64
Housing Color Anthracite, RAL 7016
Encoder Absolute, single-turn, 20-bit, Drive-CLiQ (AS20DQI)
Mounting Design IM B5 (IM V1, IM V3), Flange 1
Power Connector Rotatable
Holding Brake With

Selection Notes

This QB0 variant adds an integrated holding brake to the 1FK7-CT 36 Nm / 3000 rpm winding, so it holds position on a vertical or overhung-load axis when drive power is removed; where a brake is not required, the brake-less version in the same frame is the lighter option. The brake raises moment of inertia to 112.000 kgcm2 and lowers shaft torsional stiffness to 108,000 Nm/rad compared with the same winding without a brake. The 20-bit single-turn Drive-CLiQ encoder (AS20DQI) gives absolute position feedback without a separate battery-backed multi-turn module.

Technical Details

Short Description
Siemens 1FK7-CT synchronous servo motor, 36 Nm, 4.4 kW, 3000 rpm, integrated holding brake, IP64, Drive-CLiQ encoder.
Rated Current (Ampere)
11.5
Mounting Type
Flange
Protection Type
IP64
Catalog No
1FK7103-2AF71-1QB0
Power (kW)
4.4 kW
Delivery Date (Days)
10-15 days
Model Number
1FK7103-2AF71-1QB0
Tariff Code
85015220

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