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Siemens 1FK7040-2AK71-1QA0 SIMOTICS S 1FK7-CT 1.6 Nm 6000 rpm Servo Motor

% $-1,245.45
Siemens 1FK7040-2AK71-1QA0 1FK7-CT servo motor - 1.6 Nm, 6000 rpm
Siemens 1FK7040-2AK71-1QA0 1FK7-CT servo motor - 1.6 Nm, 6000 rpm

Siemens 1FK7040-2AK71-1QA0 SIMOTICS S 1FK7-CT 1.6 Nm 6000 rpm Servo Motor

Brand: Siemens
Reference No: 1FK7040-2AK71-1QA0
Catalog No: 1FK7040-2AK71-1QA0
Series: SIMOTICS S
Tariff Code (HS): 85015100
Rated Current: 1.9
Power: 0.69 kW
Communication: DRIVE-CLiQ
Stock: 0
Delivery time: 10-15 business day(s)
Shipping Origin: Türkiye EXW
$1,245.45

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  • Description

Siemens 1FK7040-2AK71-1QA0 SIMOTICS S 1FK7-CT servo motor delivers 1.6 Nm standstill torque and 0.69 kW rated power at 6000 rpm on a 600 V DC link. It is an 8-pole design with 1.9 A rated current, IP64 protection, a 20-bit single-turn absolute encoder (AS20DQI) with a DRIVE-CLiQ interface, and no holding brake.

Technical Specifications

SKU 1FK7040-2AK71-1QA0
Brand Siemens
Series SIMOTICS S
Number of Poles 8
Rated Current 1.9 A
Moment of Inertia 1.600 kgcm²
Efficiency 88.0 %
Torque Constant 0.68 Nm/A
Voltage Constant at 20°C 43.4 V/1000 min⁻¹
Winding Resistance at 20°C 2.87 Ω
Rotating Field Inductance 16.5 mH
Electrical Time Constant 5.70 ms
Mechanical Time Constant 3.00 ms
Thermal Time Constant 25 min
Shaft Torsional Stiffness 18,700 Nm/rad
Net Weight of the Motor 3.2 kg
Shaft Height 48 mm
Cooling Natural cooling
Radial Runout Tolerance 0.040 mm
Concentricity Tolerance 0.08 mm
Axial Runout Tolerance 0.08 mm
Degree of Protection IP64
Color of the Housing Standard (Anthracite RAL 7016)
Encoder Single-Turn 20 bits
Optimum Speed 6,000 rpm

Selection Notes

This is the non-brake version of the 1FK7040-CT frame: it steps up from the 1FK7034 frame to shaft height 48 mm and an 8-pole design, giving a shaft torsional stiffness of 18,700 Nm/rad - well above the smaller 36 mm-frame motors in this range - while holding the same 1.6 Nm standstill torque at a higher 0.69 kW rated power. Without the brake, rotor inertia is 1.600 kgcm², lower than the brake version in the same frame; pick it where an external holding mechanism exists or the axis is horizontal.

Applications

1.6 Nm at 6000 rpm without a brake, with the higher torsional stiffness of the 48 mm frame, suits high-speed horizontal axes with demanding dynamic stiffness requirements, such as rotary indexing tables and fast pick-and-place mechanisms.

Technical Details

Short Description
Siemens 1FK7040-2AK71-1QA0 1FK7-CT servo motor, 1.6 Nm, 0.69 kW at 6000 rpm, no brake, IP64, DRIVE-CLiQ 20-bit absolute encoder.
Rated Current (Ampere)
1.9
Mounting Type
Flange
Protection Type
IP64
Catalog No
1FK7040-2AK71-1QA0
Power (kW)
0.69 kW
Delivery Date (Days)
10-15 days
Model Number
1FK7040-2AK71-1QA0
Tariff Code
85015100

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